Java tutorial
/* * Copyright 2015 herd contributors * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.finra.herd.dao.impl; import java.lang.annotation.Annotation; import java.lang.reflect.Field; import java.sql.Timestamp; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.Date; import java.util.HashMap; import java.util.LinkedHashMap; import java.util.List; import java.util.Map; import javax.persistence.CascadeType; import javax.persistence.OneToMany; import javax.persistence.Tuple; import javax.persistence.criteria.CriteriaBuilder; import javax.persistence.criteria.CriteriaQuery; import javax.persistence.criteria.Expression; import javax.persistence.criteria.From; import javax.persistence.criteria.Join; import javax.persistence.criteria.Order; import javax.persistence.criteria.Path; import javax.persistence.criteria.Predicate; import javax.persistence.criteria.Root; import javax.persistence.criteria.Subquery; import javax.persistence.metamodel.SingularAttribute; import org.apache.commons.collections4.MultiValuedMap; import org.apache.commons.collections4.multimap.ArrayListValuedHashMap; import org.apache.commons.lang3.StringUtils; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.cache.annotation.Cacheable; import org.springframework.orm.jpa.vendor.Database; import org.springframework.stereotype.Repository; import org.springframework.util.CollectionUtils; import org.finra.herd.core.HerdDateUtils; import org.finra.herd.core.helper.ConfigurationHelper; import org.finra.herd.dao.HerdDao; import org.finra.herd.dao.config.DaoSpringModuleConfig; import org.finra.herd.dao.helper.HerdDaoSecurityHelper; import org.finra.herd.model.api.xml.BusinessObjectDataKey; import org.finra.herd.model.api.xml.BusinessObjectDefinitionKey; import org.finra.herd.model.api.xml.BusinessObjectFormatKey; import org.finra.herd.model.api.xml.CustomDdlKey; import org.finra.herd.model.api.xml.DataProviderKey; import org.finra.herd.model.api.xml.EmrClusterDefinitionKey; import org.finra.herd.model.api.xml.ExpectedPartitionValueKey; import org.finra.herd.model.api.xml.FileTypeKey; import org.finra.herd.model.api.xml.NamespaceKey; import org.finra.herd.model.api.xml.PartitionKeyGroupKey; import org.finra.herd.model.api.xml.PartitionValueRange; import org.finra.herd.model.api.xml.StorageBusinessObjectDefinitionDailyUploadStat; import org.finra.herd.model.api.xml.StorageBusinessObjectDefinitionDailyUploadStats; import org.finra.herd.model.api.xml.StorageDailyUploadStat; import org.finra.herd.model.api.xml.StorageDailyUploadStats; import org.finra.herd.model.api.xml.StorageKey; import org.finra.herd.model.api.xml.StoragePolicyKey; import org.finra.herd.model.dto.ConfigurationValue; import org.finra.herd.model.dto.DateRangeDto; import org.finra.herd.model.dto.StorageAlternateKeyDto; import org.finra.herd.model.dto.StoragePolicyPriorityLevel; import org.finra.herd.model.jpa.AuditableEntity; import org.finra.herd.model.jpa.BusinessObjectDataEntity; import org.finra.herd.model.jpa.BusinessObjectDataEntity_; import org.finra.herd.model.jpa.BusinessObjectDataStatusEntity; import org.finra.herd.model.jpa.BusinessObjectDataStatusEntity_; import org.finra.herd.model.jpa.BusinessObjectDefinitionEntity; import org.finra.herd.model.jpa.BusinessObjectDefinitionEntity_; import org.finra.herd.model.jpa.BusinessObjectFormatEntity; import org.finra.herd.model.jpa.BusinessObjectFormatEntity_; import org.finra.herd.model.jpa.ConfigurationEntity; import org.finra.herd.model.jpa.CustomDdlEntity; import org.finra.herd.model.jpa.CustomDdlEntity_; import org.finra.herd.model.jpa.DataProviderEntity; import org.finra.herd.model.jpa.DataProviderEntity_; import org.finra.herd.model.jpa.EmrClusterDefinitionEntity; import org.finra.herd.model.jpa.EmrClusterDefinitionEntity_; import org.finra.herd.model.jpa.ExpectedPartitionValueEntity; import org.finra.herd.model.jpa.ExpectedPartitionValueEntity_; import org.finra.herd.model.jpa.FileTypeEntity; import org.finra.herd.model.jpa.FileTypeEntity_; import org.finra.herd.model.jpa.JmsMessageEntity; import org.finra.herd.model.jpa.JmsMessageEntity_; import org.finra.herd.model.jpa.JobDefinitionEntity; import org.finra.herd.model.jpa.JobDefinitionEntity_; import org.finra.herd.model.jpa.NamespaceEntity; import org.finra.herd.model.jpa.NamespaceEntity_; import org.finra.herd.model.jpa.NotificationEventTypeEntity; import org.finra.herd.model.jpa.NotificationEventTypeEntity_; import org.finra.herd.model.jpa.OnDemandPriceEntity; import org.finra.herd.model.jpa.OnDemandPriceEntity_; import org.finra.herd.model.jpa.PartitionKeyGroupEntity; import org.finra.herd.model.jpa.PartitionKeyGroupEntity_; import org.finra.herd.model.jpa.SecurityFunctionEntity; import org.finra.herd.model.jpa.SecurityFunctionEntity_; import org.finra.herd.model.jpa.SecurityRoleEntity; import org.finra.herd.model.jpa.SecurityRoleEntity_; import org.finra.herd.model.jpa.SecurityRoleFunctionEntity; import org.finra.herd.model.jpa.SecurityRoleFunctionEntity_; import org.finra.herd.model.jpa.StorageEntity; import org.finra.herd.model.jpa.StorageEntity_; import org.finra.herd.model.jpa.StorageFileEntity; import org.finra.herd.model.jpa.StorageFileEntity_; import org.finra.herd.model.jpa.StorageFileViewEntity; import org.finra.herd.model.jpa.StorageFileViewEntity_; import org.finra.herd.model.jpa.StoragePlatformEntity; import org.finra.herd.model.jpa.StoragePlatformEntity_; import org.finra.herd.model.jpa.StoragePolicyEntity; import org.finra.herd.model.jpa.StoragePolicyEntity_; import org.finra.herd.model.jpa.StoragePolicyRuleTypeEntity; import org.finra.herd.model.jpa.StoragePolicyRuleTypeEntity_; import org.finra.herd.model.jpa.StorageUnitEntity; import org.finra.herd.model.jpa.StorageUnitEntity_; import org.finra.herd.model.jpa.StorageUnitStatusEntity; import org.finra.herd.model.jpa.StorageUnitStatusEntity_; /** * The herd DAO implementation. */ // TODO: This class is too big and should be split up into smaller classes (e.g. NamespaceDao, StorageDao, etc.). // TODO: When this is fixed, we can remove the PMD suppress warning below. @SuppressWarnings({ "PMD.ExcessivePublicCount", "PMD.ExcessiveClassLength" }) @Repository public class HerdDaoImpl extends BaseJpaDaoImpl implements HerdDao { public static final int MAX_PARTITION_FILTERS_PER_REQUEST = 100; private static final List<SingularAttribute<BusinessObjectDataEntity, String>> BUSINESS_OBJECT_DATA_PARTITIONS = Arrays .asList(BusinessObjectDataEntity_.partitionValue, BusinessObjectDataEntity_.partitionValue2, BusinessObjectDataEntity_.partitionValue3, BusinessObjectDataEntity_.partitionValue4, BusinessObjectDataEntity_.partitionValue5); private static final List<SingularAttribute<BusinessObjectDataEntity, String>> BUSINESS_OBJECT_DATA_SUBPARTITIONS = BUSINESS_OBJECT_DATA_PARTITIONS .subList(1, 1 + BusinessObjectDataEntity.MAX_SUBPARTITIONS); /** * Represents aggregate function. */ private enum AggregateFunction { GREATEST, LEAST } // TODO: Remove autowired environment once we migrate away from Oracle. It is currently used only to check what database we are using. @Autowired private ConfigurationHelper configurationHelper; @Autowired private HerdDaoSecurityHelper herdDaoSecurityHelper; // System /** * {@inheritDoc} */ @Override public Timestamp getCurrentTimestamp() { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<Timestamp> criteria = builder.createQuery(Timestamp.class); // Add the clauses for the query. criteria.select(builder.currentTimestamp()).from(ConfigurationEntity.class); return entityManager.createQuery(criteria).getSingleResult(); } // Configuration /** * {@inheritDoc} */ @Override public ConfigurationEntity getConfigurationByKey(String key) { Map<String, Object> params = new HashMap<>(); params.put(ConfigurationEntity.COLUMN_KEY, key); return queryUniqueByNamedQueryAndNamedParams(ConfigurationEntity.QUERY_GET_CONFIGURATION_BY_KEY, params); } // Namespace /** * {@inheritDoc} */ @Override public NamespaceEntity getNamespaceByKey(NamespaceKey namespaceKey) { return getNamespaceByCd(namespaceKey.getNamespaceCode()); } /** * {@inheritDoc} */ @Override public NamespaceEntity getNamespaceByCd(String namespaceCode) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<NamespaceEntity> criteria = builder.createQuery(NamespaceEntity.class); // The criteria root is the namespace. Root<NamespaceEntity> namespaceEntity = criteria.from(NamespaceEntity.class); // Create the standard restrictions (i.e. the standard where clauses). Predicate queryRestriction = builder.equal(builder.upper(namespaceEntity.get(NamespaceEntity_.code)), namespaceCode.toUpperCase()); criteria.select(namespaceEntity).where(queryRestriction); return executeSingleResultQuery(criteria, String.format("Found more than one namespace with namespaceCode=\"%s\".", namespaceCode)); } /** * {@inheritDoc} */ @Override public List<NamespaceKey> getNamespaces() { // Create the criteria builder and a tuple style criteria query. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<String> criteria = builder.createQuery(String.class); // The criteria root is the business object definition. Root<NamespaceEntity> namespaceEntity = criteria.from(NamespaceEntity.class); // Get the columns. Path<String> namespaceCodeColumn = namespaceEntity.get(NamespaceEntity_.code); // Add the select clause. criteria.select(namespaceCodeColumn); // Add the order by clause. criteria.orderBy(builder.asc(namespaceCodeColumn)); // Run the query to get a list of namespace codes back. List<String> namespaceCodes = entityManager.createQuery(criteria).getResultList(); // Populate the "keys" objects from the returned namespace codes. List<NamespaceKey> namespaceKeys = new ArrayList<>(); for (String namespaceCode : namespaceCodes) { namespaceKeys.add(new NamespaceKey(namespaceCode)); } return namespaceKeys; } // DataProvider /** * {@inheritDoc} */ @Override public DataProviderEntity getDataProviderByKey(DataProviderKey dataProviderKey) { return getDataProviderByName(dataProviderKey.getDataProviderName()); } /** * {@inheritDoc} */ @Override public DataProviderEntity getDataProviderByName(String dataProviderName) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<DataProviderEntity> criteria = builder.createQuery(DataProviderEntity.class); // The criteria root is the data provider. Root<DataProviderEntity> dataProviderEntity = criteria.from(DataProviderEntity.class); // Create the standard restrictions (i.e. the standard where clauses). Predicate queryRestriction = builder.equal(builder.upper(dataProviderEntity.get(DataProviderEntity_.name)), dataProviderName.toUpperCase()); criteria.select(dataProviderEntity).where(queryRestriction); return executeSingleResultQuery(criteria, String.format("Found more than one data provider with name=\"%s\".", dataProviderName)); } /** * {@inheritDoc} */ @Override public List<DataProviderKey> getDataProviders() { // Create the criteria builder and a tuple style criteria query. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<String> criteria = builder.createQuery(String.class); // The criteria root is the data provider. Root<DataProviderEntity> dataProviderEntity = criteria.from(DataProviderEntity.class); // Get the columns. Path<String> dataProviderNameColumn = dataProviderEntity.get(DataProviderEntity_.name); // Add the select clause. criteria.select(dataProviderNameColumn); // Add the order by clause. criteria.orderBy(builder.asc(dataProviderNameColumn)); // Run the query to get a list of data provider names back. List<String> dataProviderNames = entityManager.createQuery(criteria).getResultList(); // Populate the "keys" objects from the returned data provider names. List<DataProviderKey> dataProviderKeys = new ArrayList<>(); for (String dataProviderName : dataProviderNames) { dataProviderKeys.add(new DataProviderKey(dataProviderName)); } return dataProviderKeys; } // BusinessObjectDefinition /** * {@inheritDoc} */ @Override public BusinessObjectDefinitionEntity getBusinessObjectDefinitionByKey( BusinessObjectDefinitionKey businessObjectDefinitionKey) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<BusinessObjectDefinitionEntity> criteria = builder .createQuery(BusinessObjectDefinitionEntity.class); // The criteria root is the business object definition. Root<BusinessObjectDefinitionEntity> businessObjectDefinitionEntity = criteria .from(BusinessObjectDefinitionEntity.class); // Join to the other tables we can filter on. Join<BusinessObjectDefinitionEntity, NamespaceEntity> namespaceEntity = businessObjectDefinitionEntity .join(BusinessObjectDefinitionEntity_.namespace); // Create the standard restrictions (i.e. the standard where clauses). Predicate queryRestriction = builder.equal(builder.upper(namespaceEntity.get(NamespaceEntity_.code)), businessObjectDefinitionKey.getNamespace().toUpperCase()); queryRestriction = builder.and(queryRestriction, builder.equal( builder.upper(businessObjectDefinitionEntity.get(BusinessObjectDefinitionEntity_.name)), businessObjectDefinitionKey.getBusinessObjectDefinitionName().toUpperCase())); criteria.select(businessObjectDefinitionEntity).where(queryRestriction); return executeSingleResultQuery(criteria, String.format( "Found more than one business object definition with parameters {namespace=\"%s\", businessObjectDefinitionName=\"%s\"}.", businessObjectDefinitionKey.getNamespace(), businessObjectDefinitionKey.getBusinessObjectDefinitionName())); } @Override public BusinessObjectDefinitionEntity getBusinessObjectDefinitionByKey(String namespace, String name) { return getBusinessObjectDefinitionByKey(new BusinessObjectDefinitionKey(namespace, name)); } /** * {@inheritDoc} */ @Override public List<BusinessObjectDefinitionKey> getBusinessObjectDefinitions() { return getBusinessObjectDefinitions(null); } /** * {@inheritDoc} */ @Override public List<BusinessObjectDefinitionKey> getBusinessObjectDefinitions(String namespaceCode) { // Create the criteria builder and a tuple style criteria query. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<Tuple> criteria = builder.createTupleQuery(); // The criteria root is the business object definition. Root<BusinessObjectDefinitionEntity> businessObjectDefinitionEntity = criteria .from(BusinessObjectDefinitionEntity.class); // Join to the other tables we can filter on. Join<BusinessObjectDefinitionEntity, NamespaceEntity> namespaceEntity = businessObjectDefinitionEntity .join(BusinessObjectDefinitionEntity_.namespace); // Get the columns. Path<String> namespaceCodeColumn = namespaceEntity.get(NamespaceEntity_.code); Path<String> businessObjectDefinitionNameColumn = businessObjectDefinitionEntity .get(BusinessObjectDefinitionEntity_.name); // Add the select clause. criteria.multiselect(namespaceCodeColumn, businessObjectDefinitionNameColumn); // If namespace code is specified, add the where clause. if (StringUtils.isNotBlank(namespaceCode)) { criteria.where(builder.equal(builder.upper(namespaceEntity.get(NamespaceEntity_.code)), namespaceCode.toUpperCase())); } // Add the order by clause. if (StringUtils.isNotBlank(namespaceCode)) { criteria.orderBy(builder.asc(namespaceCodeColumn), builder.asc(businessObjectDefinitionNameColumn)); } else { criteria.orderBy(builder.asc(businessObjectDefinitionNameColumn)); } // Run the query to get a list of tuples back. List<Tuple> tuples = entityManager.createQuery(criteria).getResultList(); // Populate the "keys" objects from the returned tuples (i.e. 1 tuple for each row). List<BusinessObjectDefinitionKey> businessObjectDefinitionKeys = new ArrayList<>(); for (Tuple tuple : tuples) { BusinessObjectDefinitionKey businessObjectDefinitionKey = new BusinessObjectDefinitionKey(); businessObjectDefinitionKeys.add(businessObjectDefinitionKey); businessObjectDefinitionKey.setNamespace(tuple.get(namespaceCodeColumn)); businessObjectDefinitionKey .setBusinessObjectDefinitionName(tuple.get(businessObjectDefinitionNameColumn)); } return businessObjectDefinitionKeys; } // FileType /** * {@inheritDoc} */ @Override public FileTypeEntity getFileTypeByCode(String code) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<FileTypeEntity> criteria = builder.createQuery(FileTypeEntity.class); // The criteria root is the file types. Root<FileTypeEntity> fileType = criteria.from(FileTypeEntity.class); // Create the standard restrictions (i.e. the standard where clauses). Predicate fileTypeCodeRestriction = builder.equal(builder.upper(fileType.get(FileTypeEntity_.code)), code.toUpperCase()); criteria.select(fileType).where(fileTypeCodeRestriction); return executeSingleResultQuery(criteria, String.format("Found more than one file type with code \"%s\".", code)); } /** * {@inheritDoc} */ @Override public List<FileTypeKey> getFileTypes() { // Create the criteria builder and a tuple style criteria query. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<String> criteria = builder.createQuery(String.class); // The criteria root is the file type. Root<FileTypeEntity> fileTypeEntity = criteria.from(FileTypeEntity.class); // Get the columns. Path<String> fileTypeCodeColumn = fileTypeEntity.get(FileTypeEntity_.code); // Add the select clause. criteria.select(fileTypeCodeColumn); // Add the order by clause. criteria.orderBy(builder.asc(fileTypeCodeColumn)); // Run the query to get a list of file type codes back. List<String> fileTypeCodes = entityManager.createQuery(criteria).getResultList(); // Populate the "keys" objects from the returned file type codes. List<FileTypeKey> fileTypeKeys = new ArrayList<>(); for (String fileTypeCode : fileTypeCodes) { fileTypeKeys.add(new FileTypeKey(fileTypeCode)); } return fileTypeKeys; } // BusinessObjectFormat /** * {@inheritDoc} */ @Override public BusinessObjectFormatEntity getBusinessObjectFormatByAltKey( BusinessObjectFormatKey businessObjectFormatKey) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<BusinessObjectFormatEntity> criteria = builder.createQuery(BusinessObjectFormatEntity.class); // The criteria root is the business object format. Root<BusinessObjectFormatEntity> businessObjectFormatEntity = criteria .from(BusinessObjectFormatEntity.class); // Join to the other tables we can filter on. Join<BusinessObjectFormatEntity, FileTypeEntity> fileTypeEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.fileType); Join<BusinessObjectFormatEntity, BusinessObjectDefinitionEntity> businessObjectDefinitionEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.businessObjectDefinition); // Create the standard restrictions (i.e. the standard where clauses). // Please note that we specify not to ignore the business object format version. Predicate queryRestriction = getQueryRestriction(builder, businessObjectFormatEntity, fileTypeEntity, businessObjectDefinitionEntity, businessObjectFormatKey, false); // If a business format version was not specified, use the latest one. if (businessObjectFormatKey.getBusinessObjectFormatVersion() == null) { queryRestriction = builder.and(queryRestriction, builder.isTrue(businessObjectFormatEntity.get(BusinessObjectFormatEntity_.latestVersion))); } criteria.select(businessObjectFormatEntity).where(queryRestriction); return executeSingleResultQuery(criteria, String.format("Found more than one business object format instance with parameters " + "{namespace=\"%s\", businessObjectDefinitionName=\"%s\", businessObjectFormatUsage=\"%s\", businessObjectFormatFileType=\"%s\", " + "businessObjectFormatVersion=\"%d\"}.", businessObjectFormatKey.getNamespace(), businessObjectFormatKey.getBusinessObjectDefinitionName(), businessObjectFormatKey.getBusinessObjectFormatUsage(), businessObjectFormatKey.getBusinessObjectFormatFileType(), businessObjectFormatKey.getBusinessObjectFormatVersion())); } /** * {@inheritDoc} */ @Override public Integer getBusinessObjectFormatMaxVersion(BusinessObjectFormatKey businessObjectFormatKey) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<Integer> criteria = builder.createQuery(Integer.class); // The criteria root is the business object format. Root<BusinessObjectFormatEntity> businessObjectFormatEntity = criteria .from(BusinessObjectFormatEntity.class); // Join to the other tables we can filter on. Join<BusinessObjectFormatEntity, FileTypeEntity> fileTypeEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.fileType); Join<BusinessObjectFormatEntity, BusinessObjectDefinitionEntity> businessObjectDefinitionEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.businessObjectDefinition); // Create the standard restrictions (i.e. the standard where clauses). // Business object format version should be ignored when building the query restriction. Predicate queryRestriction = getQueryRestriction(builder, businessObjectFormatEntity, fileTypeEntity, businessObjectDefinitionEntity, businessObjectFormatKey, true); // Create the path. Expression<Integer> maxBusinessObjectFormatVersion = builder .max(businessObjectFormatEntity.get(BusinessObjectFormatEntity_.businessObjectFormatVersion)); criteria.select(maxBusinessObjectFormatVersion).where(queryRestriction); return entityManager.createQuery(criteria).getSingleResult(); } /** * {@inheritDoc} */ @Override public Long getBusinessObjectFormatCount(PartitionKeyGroupEntity partitionKeyGroupEntity) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<Long> criteria = builder.createQuery(Long.class); // The criteria root is the business object format. Root<BusinessObjectFormatEntity> businessObjectFormatEntity = criteria .from(BusinessObjectFormatEntity.class); // Create path. Expression<Long> businessObjectFormatCount = builder .count(businessObjectFormatEntity.get(BusinessObjectFormatEntity_.id)); // Create the standard restrictions (i.e. the standard where clauses). Predicate partitionKeyGroupRestriction = builder.equal( businessObjectFormatEntity.get(BusinessObjectFormatEntity_.partitionKeyGroup), partitionKeyGroupEntity); criteria.select(businessObjectFormatCount).where(partitionKeyGroupRestriction); return entityManager.createQuery(criteria).getSingleResult(); } /** * {@inheritDoc} */ @Override public List<BusinessObjectFormatKey> getBusinessObjectFormats( BusinessObjectDefinitionKey businessObjectDefinitionKey, boolean latestBusinessObjectFormatVersion) { // Create the criteria builder and a tuple style criteria query. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<Tuple> criteria = builder.createTupleQuery(); // The criteria root is the business object format. Root<BusinessObjectFormatEntity> businessObjectFormatEntity = criteria .from(BusinessObjectFormatEntity.class); // Join to the other tables we can filter on. Join<BusinessObjectFormatEntity, BusinessObjectDefinitionEntity> businessObjectDefinitionEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.businessObjectDefinition); Join<BusinessObjectFormatEntity, FileTypeEntity> fileTypeEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.fileType); Join<BusinessObjectDefinitionEntity, NamespaceEntity> namespaceEntity = businessObjectDefinitionEntity .join(BusinessObjectDefinitionEntity_.namespace); // Get the columns. Path<String> namespaceCodeColumn = namespaceEntity.get(NamespaceEntity_.code); Path<String> businessObjectDefinitionNameColumn = businessObjectDefinitionEntity .get(BusinessObjectDefinitionEntity_.name); Path<String> businessObjectFormatUsageColumn = businessObjectFormatEntity .get(BusinessObjectFormatEntity_.usage); Path<String> fileTypeCodeColumn = fileTypeEntity.get(FileTypeEntity_.code); Path<Integer> businessObjectFormatVersionColumn = businessObjectFormatEntity .get(BusinessObjectFormatEntity_.businessObjectFormatVersion); Expression<Integer> maxBusinessObjectFormatVersionExpression = builder .max(businessObjectFormatEntity.get(BusinessObjectFormatEntity_.businessObjectFormatVersion)); // Create the standard restrictions (i.e. the standard where clauses). Predicate queryRestriction = builder.equal(builder.upper(namespaceEntity.get(NamespaceEntity_.code)), businessObjectDefinitionKey.getNamespace().toUpperCase()); queryRestriction = builder.and(queryRestriction, builder.equal( builder.upper(businessObjectDefinitionEntity.get(BusinessObjectDefinitionEntity_.name)), businessObjectDefinitionKey.getBusinessObjectDefinitionName().toUpperCase())); // Add the select clause. criteria.multiselect(namespaceCodeColumn, businessObjectDefinitionNameColumn, businessObjectFormatUsageColumn, fileTypeCodeColumn, latestBusinessObjectFormatVersion ? maxBusinessObjectFormatVersionExpression : businessObjectFormatVersionColumn); // Add the where clause. criteria.where(queryRestriction); // If only the latest (maximum) business object format versions to be returned, create and apply the group by clause. if (latestBusinessObjectFormatVersion) { List<Expression<?>> grouping = new ArrayList<>(); grouping.add(namespaceCodeColumn); grouping.add(businessObjectDefinitionNameColumn); grouping.add(businessObjectFormatUsageColumn); grouping.add(fileTypeCodeColumn); criteria.groupBy(grouping); } // Add the order by clause. List<Order> orderBy = new ArrayList<>(); orderBy.add(builder.asc(businessObjectFormatUsageColumn)); orderBy.add(builder.asc(fileTypeCodeColumn)); if (!latestBusinessObjectFormatVersion) { orderBy.add(builder.asc(businessObjectFormatVersionColumn)); } criteria.orderBy(orderBy); // Run the query to get a list of tuples back. List<Tuple> tuples = entityManager.createQuery(criteria).getResultList(); // Populate the "keys" objects from the returned tuples (i.e. 1 tuple for each row). List<BusinessObjectFormatKey> businessObjectFormatKeys = new ArrayList<>(); for (Tuple tuple : tuples) { BusinessObjectFormatKey businessObjectFormatKey = new BusinessObjectFormatKey(); businessObjectFormatKeys.add(businessObjectFormatKey); businessObjectFormatKey.setNamespace(tuple.get(namespaceCodeColumn)); businessObjectFormatKey.setBusinessObjectDefinitionName(tuple.get(businessObjectDefinitionNameColumn)); businessObjectFormatKey.setBusinessObjectFormatUsage(tuple.get(businessObjectFormatUsageColumn)); businessObjectFormatKey.setBusinessObjectFormatFileType(tuple.get(fileTypeCodeColumn)); businessObjectFormatKey.setBusinessObjectFormatVersion( tuple.get(latestBusinessObjectFormatVersion ? maxBusinessObjectFormatVersionExpression : businessObjectFormatVersionColumn)); } return businessObjectFormatKeys; } /** * Builds a query restriction predicate for the specified business object format entity as per business object format key values. * * @param builder the criteria builder * @param businessObjectFormatEntity the business object format entity that appears in the from clause * @param fileTypeEntity the file type entity that appears in the from clause * @param businessObjectDefinitionEntity the business object definition entity that appears in the from clause * @param businessObjectFormatKey the business object format key * @param ignoreBusinessObjectFormatVersion specifies whether to ignore the business object format version when building the predicate * * @return the query restriction predicate */ private Predicate getQueryRestriction(CriteriaBuilder builder, From<?, BusinessObjectFormatEntity> businessObjectFormatEntity, From<?, FileTypeEntity> fileTypeEntity, From<?, BusinessObjectDefinitionEntity> businessObjectDefinitionEntity, BusinessObjectFormatKey businessObjectFormatKey, boolean ignoreBusinessObjectFormatVersion) { // Join to the other tables we can filter on. Join<BusinessObjectDefinitionEntity, NamespaceEntity> namespaceEntity = businessObjectDefinitionEntity .join(BusinessObjectDefinitionEntity_.namespace); // Create the standard restrictions based on the business object format key values (i.e. the standard where clauses). // Create a restriction on namespace code. Predicate predicate = builder.equal(builder.upper(namespaceEntity.get(NamespaceEntity_.code)), businessObjectFormatKey.getNamespace().toUpperCase()); // Create and append a restriction on business object definition name. predicate = builder.and(predicate, builder.equal( builder.upper(businessObjectDefinitionEntity.get(BusinessObjectDefinitionEntity_.name)), businessObjectFormatKey.getBusinessObjectDefinitionName().toUpperCase())); // Create and append a restriction on business object format usage. predicate = builder.and(predicate, builder.equal(builder.upper(businessObjectFormatEntity.get(BusinessObjectFormatEntity_.usage)), businessObjectFormatKey.getBusinessObjectFormatUsage().toUpperCase())); // Create and append a restriction on business object format file type. predicate = builder.and(predicate, builder.equal(builder.upper(fileTypeEntity.get(FileTypeEntity_.code)), businessObjectFormatKey.getBusinessObjectFormatFileType().toUpperCase())); // If specified, create and append a restriction on business object format version. if (!ignoreBusinessObjectFormatVersion && businessObjectFormatKey.getBusinessObjectFormatVersion() != null) { predicate = builder.and(predicate, builder.equal( businessObjectFormatEntity.get(BusinessObjectFormatEntity_.businessObjectFormatVersion), businessObjectFormatKey.getBusinessObjectFormatVersion())); } return predicate; } // PartitionKeyGroup /** * {@inheritDoc} */ @Override public PartitionKeyGroupEntity getPartitionKeyGroupByKey(PartitionKeyGroupKey partitionKeyGroupKey) { return getPartitionKeyGroupByName(partitionKeyGroupKey.getPartitionKeyGroupName()); } /** * {@inheritDoc} */ @Override public PartitionKeyGroupEntity getPartitionKeyGroupByName(String partitionKeyGroupName) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<PartitionKeyGroupEntity> criteria = builder.createQuery(PartitionKeyGroupEntity.class); // The criteria root is the partition key group. Root<PartitionKeyGroupEntity> partitionKeyGroupEntity = criteria.from(PartitionKeyGroupEntity.class); // Create the standard restrictions (i.e. the standard where clauses). Predicate partitionKeyGroupRestriction = builder.equal( builder.upper(partitionKeyGroupEntity.get(PartitionKeyGroupEntity_.partitionKeyGroupName)), partitionKeyGroupName.toUpperCase()); criteria.select(partitionKeyGroupEntity).where(partitionKeyGroupRestriction); return executeSingleResultQuery(criteria, String.format("Found more than one \"%s\" partition key group.", partitionKeyGroupName)); } /** * {@inheritDoc} */ @Override public List<PartitionKeyGroupKey> getPartitionKeyGroups() { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<PartitionKeyGroupEntity> criteria = builder.createQuery(PartitionKeyGroupEntity.class); // The criteria root is the partition key group. Root<PartitionKeyGroupEntity> partitionKeyGroupEntity = criteria.from(PartitionKeyGroupEntity.class); criteria.select(partitionKeyGroupEntity); List<PartitionKeyGroupKey> partitionKeyGroupKeys = new ArrayList<>(); for (PartitionKeyGroupEntity entity : entityManager.createQuery(criteria).getResultList()) { PartitionKeyGroupKey partitionKeyGroupKey = new PartitionKeyGroupKey(); partitionKeyGroupKey.setPartitionKeyGroupName(entity.getPartitionKeyGroupName()); partitionKeyGroupKeys.add(partitionKeyGroupKey); } return partitionKeyGroupKeys; } // ExpectedPartitionValue /** * {@inheritDoc} */ @Override public ExpectedPartitionValueEntity getExpectedPartitionValue( ExpectedPartitionValueKey expectedPartitionValueKey, int offset) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<ExpectedPartitionValueEntity> criteria = builder .createQuery(ExpectedPartitionValueEntity.class); // The criteria root is the expected partition value. Root<ExpectedPartitionValueEntity> expectedPartitionValueEntity = criteria .from(ExpectedPartitionValueEntity.class); // Join to the other tables we can filter on. Join<ExpectedPartitionValueEntity, PartitionKeyGroupEntity> partitionKeyGroupEntity = expectedPartitionValueEntity .join(ExpectedPartitionValueEntity_.partitionKeyGroup); // Add a restriction to filter case insensitive groups that match the user specified group. Predicate whereRestriction = builder.equal( builder.upper(partitionKeyGroupEntity.get(PartitionKeyGroupEntity_.partitionKeyGroupName)), expectedPartitionValueKey.getPartitionKeyGroupName().toUpperCase()); // Depending on the offset, we might need to order the records in the query. Order orderByExpectedPartitionValue = null; // Add additional restrictions to handle expected partition value and an optional offset. if (offset == 0) { // Since there is no offset, we need to match the expected partition value exactly. whereRestriction = builder.and(whereRestriction, builder.equal(expectedPartitionValueEntity.get(ExpectedPartitionValueEntity_.partitionValue), expectedPartitionValueKey.getExpectedPartitionValue())); } else if (offset > 0) { // For a positive offset value, add a restriction to filter expected partition values that are >= the user specified expected partition value. whereRestriction = builder.and(whereRestriction, builder.greaterThanOrEqualTo( expectedPartitionValueEntity.get(ExpectedPartitionValueEntity_.partitionValue), expectedPartitionValueKey.getExpectedPartitionValue())); // Order by expected partition value in ascending order. orderByExpectedPartitionValue = builder .asc(expectedPartitionValueEntity.get(ExpectedPartitionValueEntity_.partitionValue)); } else { // For a negative offset value, add a restriction to filter expected partition values that are <= the user specified expected partition value. whereRestriction = builder.and(whereRestriction, builder.lessThanOrEqualTo( expectedPartitionValueEntity.get(ExpectedPartitionValueEntity_.partitionValue), expectedPartitionValueKey.getExpectedPartitionValue())); // Order by expected partition value in descending order. orderByExpectedPartitionValue = builder .desc(expectedPartitionValueEntity.get(ExpectedPartitionValueEntity_.partitionValue)); } // Add the clauses for the query and execute the query. if (offset == 0) { criteria.select(expectedPartitionValueEntity).where(whereRestriction); return executeSingleResultQuery(criteria, String.format( "Found more than one expected partition value with parameters {partitionKeyGroupName=\"%s\", expectedPartitionValue=\"%s\"}.", expectedPartitionValueKey.getPartitionKeyGroupName(), expectedPartitionValueKey.getExpectedPartitionValue())); } else { criteria.select(expectedPartitionValueEntity).where(whereRestriction) .orderBy(orderByExpectedPartitionValue); List<ExpectedPartitionValueEntity> resultList = entityManager.createQuery(criteria) .setFirstResult(Math.abs(offset)).setMaxResults(1).getResultList(); return resultList.size() > 0 ? resultList.get(0) : null; } } /** * {@inheritDoc} */ @Override public List<ExpectedPartitionValueEntity> getExpectedPartitionValuesByGroupAndRange( String partitionKeyGroupName, PartitionValueRange partitionValueRange) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<ExpectedPartitionValueEntity> criteria = builder .createQuery(ExpectedPartitionValueEntity.class); // The criteria root is the expected partition value. Root<ExpectedPartitionValueEntity> expectedPartitionValueEntity = criteria .from(ExpectedPartitionValueEntity.class); // Join to the other tables we can filter on. Join<ExpectedPartitionValueEntity, PartitionKeyGroupEntity> partitionKeyGroupEntity = expectedPartitionValueEntity .join(ExpectedPartitionValueEntity_.partitionKeyGroup); // Add a restriction to filter case insensitive groups that match the user specified group. Predicate whereRestriction = builder.equal( builder.upper(partitionKeyGroupEntity.get(PartitionKeyGroupEntity_.partitionKeyGroupName)), partitionKeyGroupName.toUpperCase()); // If we have a possible partition value range, we need to add additional restrictions. if (partitionValueRange != null) { // Add a restriction to filter values that are >= the user specified range start value. if (StringUtils.isNotBlank(partitionValueRange.getStartPartitionValue())) { whereRestriction = builder.and(whereRestriction, builder.greaterThanOrEqualTo( expectedPartitionValueEntity.get(ExpectedPartitionValueEntity_.partitionValue), partitionValueRange.getStartPartitionValue())); } // Add a restriction to filter values that are <= the user specified range end value. if (StringUtils.isNotBlank(partitionValueRange.getEndPartitionValue())) { whereRestriction = builder.and(whereRestriction, builder.lessThanOrEqualTo( expectedPartitionValueEntity.get(ExpectedPartitionValueEntity_.partitionValue), partitionValueRange.getEndPartitionValue())); } } // Order the results by partition value. Order orderByValue = builder .asc(expectedPartitionValueEntity.get(ExpectedPartitionValueEntity_.partitionValue)); // Add the clauses for the query. criteria.select(expectedPartitionValueEntity).where(whereRestriction).orderBy(orderByValue); // Execute the query and return the results. return entityManager.createQuery(criteria).getResultList(); } // CustomDdl /** * {@inheritDoc} */ @Override public CustomDdlEntity getCustomDdlByKey(CustomDdlKey customDdlKey) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<CustomDdlEntity> criteria = builder.createQuery(CustomDdlEntity.class); // The criteria root is the custom DDL. Root<CustomDdlEntity> customDdlEntity = criteria.from(CustomDdlEntity.class); // Join to the other tables we can filter on. Join<CustomDdlEntity, BusinessObjectFormatEntity> businessObjectFormatEntity = customDdlEntity .join(CustomDdlEntity_.businessObjectFormat); Join<BusinessObjectFormatEntity, BusinessObjectDefinitionEntity> businessObjectDefinitionEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.businessObjectDefinition); Join<BusinessObjectFormatEntity, FileTypeEntity> fileTypeEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.fileType); Join<BusinessObjectDefinitionEntity, NamespaceEntity> namespaceEntity = businessObjectDefinitionEntity .join(BusinessObjectDefinitionEntity_.namespace); // Create the standard restrictions (i.e. the standard where clauses). Predicate queryRestriction = builder.equal(builder.upper(namespaceEntity.get(NamespaceEntity_.code)), customDdlKey.getNamespace().toUpperCase()); queryRestriction = builder.and(queryRestriction, builder.equal( builder.upper(businessObjectDefinitionEntity.get(BusinessObjectDefinitionEntity_.name)), customDdlKey.getBusinessObjectDefinitionName().toUpperCase())); queryRestriction = builder.and(queryRestriction, builder.equal(builder.upper(businessObjectFormatEntity.get(BusinessObjectFormatEntity_.usage)), customDdlKey.getBusinessObjectFormatUsage().toUpperCase())); queryRestriction = builder.and(queryRestriction, builder.equal(builder.upper(fileTypeEntity.get(FileTypeEntity_.code)), customDdlKey.getBusinessObjectFormatFileType().toUpperCase())); queryRestriction = builder.and(queryRestriction, builder.equal( businessObjectFormatEntity.get(BusinessObjectFormatEntity_.businessObjectFormatVersion), customDdlKey.getBusinessObjectFormatVersion())); queryRestriction = builder.and(queryRestriction, builder.equal(builder.upper(customDdlEntity.get(CustomDdlEntity_.customDdlName)), customDdlKey.getCustomDdlName().toUpperCase())); // Add select and where clauses. criteria.select(customDdlEntity).where(queryRestriction); return executeSingleResultQuery(criteria, String.format( "Found more than one custom DDL instance with parameters {businessObjectDefinitionName=\"%s\"," + " businessObjectFormatUsage=\"%s\", businessObjectFormatFileType=\"%s\", businessObjectFormatVersion=\"%d\", customDdlName=\"%s\"}.", customDdlKey.getBusinessObjectDefinitionName(), customDdlKey.getBusinessObjectFormatUsage(), customDdlKey.getBusinessObjectFormatFileType(), customDdlKey.getBusinessObjectFormatVersion(), customDdlKey.getCustomDdlName())); } /** * {@inheritDoc} */ @Override public List<CustomDdlKey> getCustomDdls(BusinessObjectFormatKey businessObjectFormatKey) { // Create the criteria builder and a tuple style criteria query. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<Tuple> criteria = builder.createTupleQuery(); // The criteria root is the business object format. Root<CustomDdlEntity> customDdlEntity = criteria.from(CustomDdlEntity.class); // Join to the other tables we can filter on. Join<CustomDdlEntity, BusinessObjectFormatEntity> businessObjectFormatEntity = customDdlEntity .join(CustomDdlEntity_.businessObjectFormat); Join<BusinessObjectFormatEntity, BusinessObjectDefinitionEntity> businessObjectDefinitionEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.businessObjectDefinition); Join<BusinessObjectFormatEntity, FileTypeEntity> fileTypeEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.fileType); Join<BusinessObjectDefinitionEntity, NamespaceEntity> namespaceEntity = businessObjectDefinitionEntity .join(BusinessObjectDefinitionEntity_.namespace); // Get the columns. Path<String> namespaceCodeColumn = namespaceEntity.get(NamespaceEntity_.code); Path<String> businessObjectDefinitionNameColumn = businessObjectDefinitionEntity .get(BusinessObjectDefinitionEntity_.name); Path<String> businessObjectFormatUsageColumn = businessObjectFormatEntity .get(BusinessObjectFormatEntity_.usage); Path<String> fileTypeCodeColumn = fileTypeEntity.get(FileTypeEntity_.code); Path<Integer> businessObjectFormatVersionColumn = businessObjectFormatEntity .get(BusinessObjectFormatEntity_.businessObjectFormatVersion); Path<String> customDdlNameColumn = customDdlEntity.get(CustomDdlEntity_.customDdlName); // Create the standard restrictions (i.e. the standard where clauses). Predicate queryRestriction = builder.equal(builder.upper(namespaceEntity.get(NamespaceEntity_.code)), businessObjectFormatKey.getNamespace().toUpperCase()); queryRestriction = builder.and(queryRestriction, builder.equal( builder.upper(businessObjectDefinitionEntity.get(BusinessObjectDefinitionEntity_.name)), businessObjectFormatKey.getBusinessObjectDefinitionName().toUpperCase())); queryRestriction = builder.and(queryRestriction, builder.equal(builder.upper(businessObjectFormatEntity.get(BusinessObjectFormatEntity_.usage)), businessObjectFormatKey.getBusinessObjectFormatUsage().toUpperCase())); queryRestriction = builder.and(queryRestriction, builder.equal(builder.upper(fileTypeEntity.get(FileTypeEntity_.code)), businessObjectFormatKey.getBusinessObjectFormatFileType().toUpperCase())); queryRestriction = builder.and(queryRestriction, builder.equal( businessObjectFormatEntity.get(BusinessObjectFormatEntity_.businessObjectFormatVersion), businessObjectFormatKey.getBusinessObjectFormatVersion())); // Add the select clause. criteria.multiselect(namespaceCodeColumn, businessObjectDefinitionNameColumn, businessObjectFormatUsageColumn, fileTypeCodeColumn, businessObjectFormatVersionColumn, customDdlNameColumn); // Add the where clause. criteria.where(queryRestriction); // Add the order by clause. criteria.orderBy(builder.asc(customDdlNameColumn)); // Run the query to get a list of tuples back. List<Tuple> tuples = entityManager.createQuery(criteria).getResultList(); // Populate the "keys" objects from the returned tuples (i.e. 1 tuple for each row). List<CustomDdlKey> customDdlKeys = new ArrayList<>(); for (Tuple tuple : tuples) { CustomDdlKey customDdlKey = new CustomDdlKey(); customDdlKeys.add(customDdlKey); customDdlKey.setNamespace(tuple.get(namespaceCodeColumn)); customDdlKey.setBusinessObjectDefinitionName(tuple.get(businessObjectDefinitionNameColumn)); customDdlKey.setBusinessObjectFormatUsage(tuple.get(businessObjectFormatUsageColumn)); customDdlKey.setBusinessObjectFormatFileType(tuple.get(fileTypeCodeColumn)); customDdlKey.setBusinessObjectFormatVersion(tuple.get(businessObjectFormatVersionColumn)); customDdlKey.setCustomDdlName(tuple.get(customDdlNameColumn)); } return customDdlKeys; } // BusinessObjectDataStatus /** * {@inheritDoc} */ @Override public BusinessObjectDataStatusEntity getBusinessObjectDataStatusByCode(String code) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<BusinessObjectDataStatusEntity> criteria = builder .createQuery(BusinessObjectDataStatusEntity.class); // The criteria root is the business object data statuses. Root<BusinessObjectDataStatusEntity> businessObjectDataStatus = criteria .from(BusinessObjectDataStatusEntity.class); // Create the standard restrictions (i.e. the standard where clauses). Predicate businessObjectDataStatusCodeRestriction = builder.equal( builder.upper(businessObjectDataStatus.get(BusinessObjectDataStatusEntity_.code)), code.toUpperCase()); criteria.select(businessObjectDataStatus).where(businessObjectDataStatusCodeRestriction); return executeSingleResultQuery(criteria, String.format("Found more than one business object data status with code \"%s\".", code)); } // BusinessObjectData /** * {@inheritDoc} */ @Override public BusinessObjectDataEntity getBusinessObjectDataByAltKey(BusinessObjectDataKey businessObjectDataKey) { return getBusinessObjectDataByAltKeyAndStatus(businessObjectDataKey, null); } /** * {@inheritDoc} */ @Override public BusinessObjectDataEntity getBusinessObjectDataByAltKeyAndStatus( BusinessObjectDataKey businessObjectDataKey, String businessObjectDataStatus) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<BusinessObjectDataEntity> criteria = builder.createQuery(BusinessObjectDataEntity.class); // The criteria root is the business object data. Root<BusinessObjectDataEntity> businessObjectDataEntity = criteria.from(BusinessObjectDataEntity.class); // Join to other tables that we need to filter on. Join<BusinessObjectDataEntity, BusinessObjectFormatEntity> businessObjectFormatEntity = businessObjectDataEntity .join(BusinessObjectDataEntity_.businessObjectFormat); Join<BusinessObjectFormatEntity, FileTypeEntity> fileTypeEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.fileType); Join<BusinessObjectFormatEntity, BusinessObjectDefinitionEntity> businessObjectDefinitionEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.businessObjectDefinition); // Create the standard restrictions (i.e. the standard where clauses). Predicate mainQueryRestriction = getQueryRestriction(builder, businessObjectDataEntity, businessObjectFormatEntity, fileTypeEntity, businessObjectDefinitionEntity, businessObjectDataKey); // If a format version was specified, use the latest available for this partition value. if (businessObjectDataKey.getBusinessObjectFormatVersion() == null) { // Business object format version is not specified, so just use the latest available for this set of partition values. Subquery<Integer> subQuery = criteria.subquery(Integer.class); // The criteria root is the business object data. Root<BusinessObjectDataEntity> subBusinessObjectDataEntity = subQuery .from(BusinessObjectDataEntity.class); // Join to the other tables we can filter on. Join<BusinessObjectDataEntity, BusinessObjectFormatEntity> subBusinessObjectFormatEntity = subBusinessObjectDataEntity .join(BusinessObjectDataEntity_.businessObjectFormat); Join<BusinessObjectFormatEntity, BusinessObjectDefinitionEntity> subBusinessObjectDefinitionEntity = subBusinessObjectFormatEntity .join(BusinessObjectFormatEntity_.businessObjectDefinition); Join<BusinessObjectFormatEntity, FileTypeEntity> subBusinessObjectFormatFileTypeEntity = subBusinessObjectFormatEntity .join(BusinessObjectFormatEntity_.fileType); Join<BusinessObjectDataEntity, BusinessObjectDataStatusEntity> subBusinessObjectDataStatusEntity = subBusinessObjectDataEntity .join(BusinessObjectDataEntity_.status); // Create the standard restrictions (i.e. the standard where clauses). Predicate subQueryRestriction = builder.equal(subBusinessObjectDefinitionEntity, businessObjectDefinitionEntity); subQueryRestriction = builder.and(subQueryRestriction, builder.equal(subBusinessObjectFormatEntity.get(BusinessObjectFormatEntity_.usage), businessObjectFormatEntity.get(BusinessObjectFormatEntity_.usage))); subQueryRestriction = builder.and(subQueryRestriction, builder.equal(subBusinessObjectFormatFileTypeEntity, fileTypeEntity)); // Create and add standard restrictions on primary and sub-partition values. subQueryRestriction = builder.and(subQueryRestriction, getQueryRestrictionOnPartitionValues(builder, subBusinessObjectDataEntity, businessObjectDataEntity)); // Add restrictions on business object data version and business object data status. Predicate subQueryRestrictionOnBusinessObjectDataVersionAndStatus = getQueryRestrictionOnBusinessObjectDataVersionAndStatus( builder, subBusinessObjectDataEntity, subBusinessObjectDataStatusEntity, businessObjectDataKey.getBusinessObjectDataVersion(), businessObjectDataStatus); if (subQueryRestrictionOnBusinessObjectDataVersionAndStatus != null) { subQueryRestriction = builder.and(subQueryRestriction, subQueryRestrictionOnBusinessObjectDataVersionAndStatus); } subQuery.select(builder.max( subBusinessObjectFormatEntity.get(BusinessObjectFormatEntity_.businessObjectFormatVersion))) .where(subQueryRestriction); mainQueryRestriction = builder.and(mainQueryRestriction, builder.in( businessObjectFormatEntity.get(BusinessObjectFormatEntity_.businessObjectFormatVersion)) .value(subQuery)); } // If a data version was not specified, use the latest one as per specified business object data status. if (businessObjectDataKey.getBusinessObjectDataVersion() == null) { // Since business object data version is not specified, just use the latest one as per specified business object data status. if (businessObjectDataStatus != null) { // Business object data version is not specified, so get the latest one as per specified business object data status. Subquery<Integer> subQuery = criteria.subquery(Integer.class); // The criteria root is the business object data. Root<BusinessObjectDataEntity> subBusinessObjectDataEntity = subQuery .from(BusinessObjectDataEntity.class); // Join to the other tables we can filter on. Join<BusinessObjectDataEntity, BusinessObjectDataStatusEntity> subBusinessObjectDataStatusEntity = subBusinessObjectDataEntity .join(BusinessObjectDataEntity_.status); Join<BusinessObjectDataEntity, BusinessObjectFormatEntity> subBusinessObjectFormatEntity = subBusinessObjectDataEntity .join(BusinessObjectDataEntity_.businessObjectFormat); // Create the standard restrictions (i.e. the standard where clauses). Predicate subQueryRestriction = builder.equal(subBusinessObjectFormatEntity, businessObjectFormatEntity); // Create and add standard restrictions on primary and sub-partition values. subQueryRestriction = builder.and(subQueryRestriction, getQueryRestrictionOnPartitionValues(builder, subBusinessObjectDataEntity, businessObjectDataEntity)); // Create and add standard restrictions on business object data status. subQueryRestriction = builder.and(subQueryRestriction, builder.equal( builder.upper(subBusinessObjectDataStatusEntity.get(BusinessObjectDataStatusEntity_.code)), businessObjectDataStatus.toUpperCase())); subQuery.select(builder.max(subBusinessObjectDataEntity.get(BusinessObjectDataEntity_.version))) .where(subQueryRestriction); mainQueryRestriction = builder.and(mainQueryRestriction, builder .in(businessObjectDataEntity.get(BusinessObjectDataEntity_.version)).value(subQuery)); } else { // Both business object data version and business object data status are not specified, so just use the latest business object data version. mainQueryRestriction = builder.and(mainQueryRestriction, builder.equal(businessObjectDataEntity.get(BusinessObjectDataEntity_.latestVersion), true)); } } criteria.select(businessObjectDataEntity).where(mainQueryRestriction); return executeSingleResultQuery(criteria, String.format( "Found more than one business object data instance with parameters {namespace=\"%s\", businessObjectDefinitionName=\"%s\"," + " businessObjectFormatUsage=\"%s\", businessObjectFormatFileType=\"%s\", businessObjectFormatVersion=\"%d\"," + " businessObjectDataPartitionValue=\"%s\", businessObjectDataSubPartitionValues=\"%s\", businessObjectDataVersion=\"%d\"," + " businessObjectDataStatus=\"%s\"}.", businessObjectDataKey.getNamespace(), businessObjectDataKey.getBusinessObjectDefinitionName(), businessObjectDataKey.getBusinessObjectFormatUsage(), businessObjectDataKey.getBusinessObjectFormatFileType(), businessObjectDataKey.getBusinessObjectFormatVersion(), businessObjectDataKey.getPartitionValue(), CollectionUtils.isEmpty(businessObjectDataKey.getSubPartitionValues()) ? "" : StringUtils.join(businessObjectDataKey.getSubPartitionValues(), ","), businessObjectDataKey.getBusinessObjectDataVersion(), businessObjectDataStatus)); } /** * {@inheritDoc} */ @Override public Integer getBusinessObjectDataMaxVersion(BusinessObjectDataKey businessObjectDataKey) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<Integer> criteria = builder.createQuery(Integer.class); // The criteria root is the business object data. Root<BusinessObjectDataEntity> businessObjectDataEntity = criteria.from(BusinessObjectDataEntity.class); // Join to the other tables we can filter on. Join<BusinessObjectDataEntity, BusinessObjectFormatEntity> businessObjectFormatEntity = businessObjectDataEntity .join(BusinessObjectDataEntity_.businessObjectFormat); Join<BusinessObjectFormatEntity, FileTypeEntity> fileTypeEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.fileType); Join<BusinessObjectFormatEntity, BusinessObjectDefinitionEntity> businessObjectDefinitionEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.businessObjectDefinition); Join<BusinessObjectDefinitionEntity, NamespaceEntity> namespaceEntity = businessObjectDefinitionEntity .join(BusinessObjectDefinitionEntity_.namespace); // Create the path. Expression<Integer> maxBusinessObjectDataVersion = builder .max(businessObjectDataEntity.get(BusinessObjectDataEntity_.version)); // Create the standard restrictions (i.e. the standard where clauses). Predicate queryRestriction = builder.equal(builder.upper(namespaceEntity.get(NamespaceEntity_.code)), businessObjectDataKey.getNamespace().toUpperCase()); queryRestriction = builder.and(queryRestriction, builder.equal( builder.upper(businessObjectDefinitionEntity.get(BusinessObjectDefinitionEntity_.name)), businessObjectDataKey.getBusinessObjectDefinitionName().toUpperCase())); queryRestriction = builder.and(queryRestriction, builder.equal(builder.upper(businessObjectFormatEntity.get(BusinessObjectFormatEntity_.usage)), businessObjectDataKey.getBusinessObjectFormatUsage().toUpperCase())); queryRestriction = builder.and(queryRestriction, builder.equal(builder.upper(fileTypeEntity.get(FileTypeEntity_.code)), businessObjectDataKey.getBusinessObjectFormatFileType().toUpperCase())); queryRestriction = builder.and(queryRestriction, builder.equal( businessObjectFormatEntity.get(BusinessObjectFormatEntity_.businessObjectFormatVersion), businessObjectDataKey.getBusinessObjectFormatVersion())); queryRestriction = builder.and(queryRestriction, builder.equal(businessObjectDataEntity.get(BusinessObjectDataEntity_.partitionValue), businessObjectDataKey.getPartitionValue())); for (int i = 0; i < BusinessObjectDataEntity.MAX_SUBPARTITIONS; i++) { queryRestriction = builder.and(queryRestriction, i < businessObjectDataKey.getSubPartitionValues().size() ? builder.equal(businessObjectDataEntity.get(BUSINESS_OBJECT_DATA_SUBPARTITIONS.get(i)), businessObjectDataKey.getSubPartitionValues().get(i)) : builder.isNull( businessObjectDataEntity.get(BUSINESS_OBJECT_DATA_SUBPARTITIONS.get(i)))); } criteria.select(maxBusinessObjectDataVersion).where(queryRestriction); return entityManager.createQuery(criteria).getSingleResult(); } /** * {@inheritDoc} */ @Override public String getBusinessObjectDataMaxPartitionValue(int partitionColumnPosition, BusinessObjectFormatKey businessObjectFormatKey, Integer businessObjectDataVersion, String businessObjectDataStatus, List<String> storageNames, String upperBoundPartitionValue, String lowerBoundPartitionValue) { return getBusinessObjectDataPartitionValue(partitionColumnPosition, businessObjectFormatKey, businessObjectDataVersion, businessObjectDataStatus, storageNames, AggregateFunction.GREATEST, upperBoundPartitionValue, lowerBoundPartitionValue); } /** * {@inheritDoc} */ @Override public String getBusinessObjectDataMinPartitionValue(int partitionColumnPosition, BusinessObjectFormatKey businessObjectFormatKey, Integer businessObjectDataVersion, String businessObjectDataStatus, List<String> storageNames) { return getBusinessObjectDataPartitionValue(partitionColumnPosition, businessObjectFormatKey, businessObjectDataVersion, businessObjectDataStatus, storageNames, AggregateFunction.LEAST, null, null); } /** * Retrieves partition value per specified parameters that includes the aggregate function. * * @param partitionColumnPosition the partition column position (1-based numbering) * @param businessObjectFormatKey the business object format key (case-insensitive). If a business object format version isn't specified, the latest * available format version for each partition value will be used. * @param businessObjectDataVersion the business object data version. If a business object data version isn't specified, the latest data version based on * the specified business object data status will be used for each partition value. * @param businessObjectDataStatus the business object data status. This parameter is ignored when the business object data version is specified. * @param storageNames the list of storages (case-insensitive) * @param aggregateFunction the aggregate function to use against partition values * @param upperBoundPartitionValue the optional inclusive upper bound for the maximum available partition value * @param lowerBoundPartitionValue the optional inclusive lower bound for the maximum available partition value * * @return the partition value */ private String getBusinessObjectDataPartitionValue(int partitionColumnPosition, BusinessObjectFormatKey businessObjectFormatKey, Integer businessObjectDataVersion, String businessObjectDataStatus, List<String> storageNames, AggregateFunction aggregateFunction, String upperBoundPartitionValue, String lowerBoundPartitionValue) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<String> criteria = builder.createQuery(String.class); // The criteria root is the business object data. Root<BusinessObjectDataEntity> businessObjectDataEntity = criteria.from(BusinessObjectDataEntity.class); // Join to the other tables we can filter on. Join<BusinessObjectDataEntity, BusinessObjectFormatEntity> businessObjectFormatEntity = businessObjectDataEntity .join(BusinessObjectDataEntity_.businessObjectFormat); Join<BusinessObjectFormatEntity, FileTypeEntity> fileTypeEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.fileType); Join<BusinessObjectFormatEntity, BusinessObjectDefinitionEntity> businessObjectDefinitionEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.businessObjectDefinition); Join<BusinessObjectDefinitionEntity, NamespaceEntity> namespaceEntity = businessObjectDefinitionEntity .join(BusinessObjectDefinitionEntity_.namespace); Join<BusinessObjectDataEntity, StorageUnitEntity> storageUnitEntity = businessObjectDataEntity .join(BusinessObjectDataEntity_.storageUnits); Join<StorageUnitEntity, StorageEntity> storageEntity = storageUnitEntity.join(StorageUnitEntity_.storage); // Create the path. Expression<String> partitionValue; SingularAttribute<BusinessObjectDataEntity, String> singleValuedAttribute = BUSINESS_OBJECT_DATA_PARTITIONS .get(partitionColumnPosition - 1); switch (aggregateFunction) { case GREATEST: partitionValue = builder.greatest(businessObjectDataEntity.get(singleValuedAttribute)); break; case LEAST: partitionValue = builder.least(businessObjectDataEntity.get(singleValuedAttribute)); break; default: throw new IllegalArgumentException("Invalid aggregate function found: \"" + aggregateFunction + "\"."); } // Create the standard restrictions (i.e. the standard where clauses). Predicate mainQueryRestriction = builder.equal(builder.upper(namespaceEntity.get(NamespaceEntity_.code)), businessObjectFormatKey.getNamespace().toUpperCase()); mainQueryRestriction = builder.and(mainQueryRestriction, builder.equal( builder.upper(businessObjectDefinitionEntity.get(BusinessObjectDefinitionEntity_.name)), businessObjectFormatKey.getBusinessObjectDefinitionName().toUpperCase())); mainQueryRestriction = builder.and(mainQueryRestriction, builder.equal(builder.upper(businessObjectFormatEntity.get(BusinessObjectFormatEntity_.usage)), businessObjectFormatKey.getBusinessObjectFormatUsage().toUpperCase())); mainQueryRestriction = builder.and(mainQueryRestriction, builder.equal(builder.upper(fileTypeEntity.get(FileTypeEntity_.code)), businessObjectFormatKey.getBusinessObjectFormatFileType().toUpperCase())); // If a business object format version was specified, use it. if (businessObjectFormatKey.getBusinessObjectFormatVersion() != null) { mainQueryRestriction = builder.and(mainQueryRestriction, builder.equal( businessObjectFormatEntity.get(BusinessObjectFormatEntity_.businessObjectFormatVersion), businessObjectFormatKey.getBusinessObjectFormatVersion())); } // If a data version was specified, use it. if (businessObjectDataVersion != null) { mainQueryRestriction = builder.and(mainQueryRestriction, builder.equal( businessObjectDataEntity.get(BusinessObjectDataEntity_.version), businessObjectDataVersion)); } // Business object data version is not specified, so get the latest one as per specified business object data status in the specified storage. else { Subquery<Integer> subQuery = getMaximumBusinessObjectDataVersionSubQuery(builder, criteria, businessObjectDataEntity, businessObjectFormatEntity, businessObjectDataStatus, storageEntity); mainQueryRestriction = builder.and(mainQueryRestriction, builder.in(businessObjectDataEntity.get(BusinessObjectDataEntity_.version)).value(subQuery)); } // Add an inclusive upper bound partition value restriction if specified. if (upperBoundPartitionValue != null) { mainQueryRestriction = builder.and(mainQueryRestriction, builder.lessThanOrEqualTo( businessObjectDataEntity.get(singleValuedAttribute), upperBoundPartitionValue)); } // Add an inclusive lower bound partition value restriction if specified. if (lowerBoundPartitionValue != null) { mainQueryRestriction = builder.and(mainQueryRestriction, builder.greaterThanOrEqualTo( businessObjectDataEntity.get(singleValuedAttribute), lowerBoundPartitionValue)); } // Add a storage name restriction to the main query where clause. List<String> uppercaseStorageNames = new ArrayList<>(); for (String storageName : storageNames) { uppercaseStorageNames.add(storageName.toUpperCase()); } mainQueryRestriction = builder.and(mainQueryRestriction, builder.upper(storageEntity.get(StorageEntity_.name)).in(uppercaseStorageNames)); criteria.select(partitionValue).where(mainQueryRestriction); return entityManager.createQuery(criteria).getSingleResult(); } /** * {@inheritDoc} */ @Override public Long getBusinessObjectDataCount(BusinessObjectFormatKey businessObjectFormatKey) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<Long> criteria = builder.createQuery(Long.class); // The criteria root is the business object data. Root<BusinessObjectDataEntity> businessObjectDataEntity = criteria.from(BusinessObjectDataEntity.class); // Join to the other tables we can filter on. Join<BusinessObjectDataEntity, BusinessObjectFormatEntity> businessObjectFormatEntity = businessObjectDataEntity .join(BusinessObjectDataEntity_.businessObjectFormat); Join<BusinessObjectFormatEntity, FileTypeEntity> fileTypeEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.fileType); Join<BusinessObjectFormatEntity, BusinessObjectDefinitionEntity> businessObjectDefinitionEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.businessObjectDefinition); Join<BusinessObjectDefinitionEntity, NamespaceEntity> namespaceEntity = businessObjectDefinitionEntity .join(BusinessObjectDefinitionEntity_.namespace); // Create path. Expression<Long> businessObjectDataCount = builder .count(businessObjectDataEntity.get(BusinessObjectDataEntity_.id)); // Create the standard restrictions (i.e. the standard where clauses). Predicate queryRestriction = builder.equal(builder.upper(namespaceEntity.get(NamespaceEntity_.code)), businessObjectFormatKey.getNamespace().toUpperCase()); queryRestriction = builder.and(queryRestriction, builder.equal( builder.upper(businessObjectDefinitionEntity.get(BusinessObjectDefinitionEntity_.name)), businessObjectFormatKey.getBusinessObjectDefinitionName().toUpperCase())); queryRestriction = builder.and(queryRestriction, builder.equal(builder.upper(businessObjectFormatEntity.get(BusinessObjectFormatEntity_.usage)), businessObjectFormatKey.getBusinessObjectFormatUsage().toUpperCase())); queryRestriction = builder.and(queryRestriction, builder.equal(builder.upper(fileTypeEntity.get(FileTypeEntity_.code)), businessObjectFormatKey.getBusinessObjectFormatFileType().toUpperCase())); queryRestriction = builder.and(queryRestriction, builder.equal( businessObjectFormatEntity.get(BusinessObjectFormatEntity_.businessObjectFormatVersion), businessObjectFormatKey.getBusinessObjectFormatVersion())); criteria.select(businessObjectDataCount).where(queryRestriction); return entityManager.createQuery(criteria).getSingleResult(); } /** * {@inheritDoc} */ @Override public List<BusinessObjectDataEntity> getBusinessObjectDataEntities( BusinessObjectDataKey businessObjectDataKey) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<BusinessObjectDataEntity> criteria = builder.createQuery(BusinessObjectDataEntity.class); // The criteria root is the business object data. Root<BusinessObjectDataEntity> businessObjectDataEntity = criteria.from(BusinessObjectDataEntity.class); // Join to the other tables we can filter on. Join<BusinessObjectDataEntity, BusinessObjectFormatEntity> businessObjectFormatEntity = businessObjectDataEntity .join(BusinessObjectDataEntity_.businessObjectFormat); Join<BusinessObjectFormatEntity, FileTypeEntity> fileTypeEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.fileType); Join<BusinessObjectFormatEntity, BusinessObjectDefinitionEntity> businessObjectDefinitionEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.businessObjectDefinition); // Create the standard restrictions (i.e. the standard where clauses). Predicate queryRestriction = getQueryRestriction(builder, businessObjectDataEntity, businessObjectFormatEntity, fileTypeEntity, businessObjectDefinitionEntity, businessObjectDataKey); // Add the clauses for the query. criteria.select(businessObjectDataEntity).where(queryRestriction); // Order by business object format and data versions. criteria.orderBy( builder.asc( businessObjectFormatEntity.get(BusinessObjectFormatEntity_.businessObjectFormatVersion)), builder.asc(businessObjectDataEntity.get(BusinessObjectDataEntity_.version))); return entityManager.createQuery(criteria).getResultList(); } /** * {@inheritDoc} */ @Override public List<BusinessObjectDataEntity> getBusinessObjectDataEntities( BusinessObjectFormatKey businessObjectFormatKey, List<List<String>> partitionFilters, Integer businessObjectDataVersion, String businessObjectDataStatus, String storageName) { List<BusinessObjectDataEntity> resultBusinessObjectDataEntities = new ArrayList<>(); // Loop through each chunk of partition filters until we have reached the end of the list. for (int i = 0; i < partitionFilters.size(); i += MAX_PARTITION_FILTERS_PER_REQUEST) { // Get a sub-list for the current chunk of partition filters. List<BusinessObjectDataEntity> chunkBusinessObjectDataEntities = getBusinessObjectDataEntities( businessObjectFormatKey, partitionFilters, businessObjectDataVersion, businessObjectDataStatus, storageName, i, (i + MAX_PARTITION_FILTERS_PER_REQUEST) > partitionFilters.size() ? partitionFilters.size() - i : MAX_PARTITION_FILTERS_PER_REQUEST); // Add the sub-list to the result. resultBusinessObjectDataEntities.addAll(chunkBusinessObjectDataEntities); } return resultBusinessObjectDataEntities; } /** * Retrieves a list of business object data entities per specified parameters. This method processes a sublist of partition filters specified by * partitionFilterSubListFromIndex and partitionFilterSubListSize parameters. * * @param businessObjectFormatKey the business object format key (case-insensitive). If a business object format version isn't specified, the latest * available format version for each partition value will be used. * @param partitionFilters the list of partition filter to be used to select business object data instances. Each partition filter contains a list of * primary and sub-partition values in the right order up to the maximum partition levels allowed by business object data registration - with partition * values for the relative partitions not to be used for selection passed as nulls. * @param businessObjectDataVersion the business object data version. If a business object data version isn't specified, the latest data version based on * the specified business object data status is returned. * @param businessObjectDataStatus the business object data status. This parameter is ignored when the business object data version is specified. When * business object data version and business object data status both are not specified, the latest data version for each set of partition values will be * used regardless of the status. * @param storageName the name of the storage where the business object data storage unit is located (case-insensitive) * @param partitionFilterSubListFromIndex the index of the first element in the partition filter sublist * @param partitionFilterSubListSize the size of the partition filter sublist * * @return the list of business object data entities sorted by partition values */ private List<BusinessObjectDataEntity> getBusinessObjectDataEntities( BusinessObjectFormatKey businessObjectFormatKey, List<List<String>> partitionFilters, Integer businessObjectDataVersion, String businessObjectDataStatus, String storageName, int partitionFilterSubListFromIndex, int partitionFilterSubListSize) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<BusinessObjectDataEntity> criteria = builder.createQuery(BusinessObjectDataEntity.class); // The criteria root is the business object data. Root<BusinessObjectDataEntity> businessObjectDataEntity = criteria.from(BusinessObjectDataEntity.class); // Join to the other tables we can filter on. Join<BusinessObjectDataEntity, StorageUnitEntity> storageUnitEntity = businessObjectDataEntity .join(BusinessObjectDataEntity_.storageUnits); Join<StorageUnitEntity, StorageEntity> storageEntity = storageUnitEntity.join(StorageUnitEntity_.storage); Join<BusinessObjectDataEntity, BusinessObjectFormatEntity> businessObjectFormatEntity = businessObjectDataEntity .join(BusinessObjectDataEntity_.businessObjectFormat); Join<BusinessObjectFormatEntity, FileTypeEntity> fileTypeEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.fileType); Join<BusinessObjectFormatEntity, BusinessObjectDefinitionEntity> businessObjectDefinitionEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.businessObjectDefinition); // Create the standard restrictions (i.e. the standard where clauses). // Create a standard restriction based on the business object format key values. // Please note that we specify not to ignore the business object format version. Predicate mainQueryRestriction = getQueryRestriction(builder, businessObjectFormatEntity, fileTypeEntity, businessObjectDefinitionEntity, businessObjectFormatKey, false); // If a format version was not specified, use the latest available for this set of partition values. if (businessObjectFormatKey.getBusinessObjectFormatVersion() == null) { // Business object format version is not specified, so just use the latest available for this set of partition values. Subquery<Integer> subQuery = criteria.subquery(Integer.class); // The criteria root is the business object data. Root<BusinessObjectDataEntity> subBusinessObjectDataEntity = subQuery .from(BusinessObjectDataEntity.class); // Join to the other tables we can filter on. Join<BusinessObjectDataEntity, StorageUnitEntity> subStorageUnitEntity = subBusinessObjectDataEntity .join(BusinessObjectDataEntity_.storageUnits); Join<StorageUnitEntity, StorageEntity> subStorageEntity = subStorageUnitEntity .join(StorageUnitEntity_.storage); Join<BusinessObjectDataEntity, BusinessObjectFormatEntity> subBusinessObjectFormatEntity = subBusinessObjectDataEntity .join(BusinessObjectDataEntity_.businessObjectFormat); Join<BusinessObjectFormatEntity, BusinessObjectDefinitionEntity> subBusinessObjectDefinitionEntity = subBusinessObjectFormatEntity .join(BusinessObjectFormatEntity_.businessObjectDefinition); Join<BusinessObjectFormatEntity, FileTypeEntity> subBusinessObjectFormatFileTypeEntity = subBusinessObjectFormatEntity .join(BusinessObjectFormatEntity_.fileType); Join<BusinessObjectDataEntity, BusinessObjectDataStatusEntity> subBusinessObjectDataStatusEntity = subBusinessObjectDataEntity .join(BusinessObjectDataEntity_.status); // Create the standard restrictions (i.e. the standard where clauses). Predicate subQueryRestriction = builder.equal(subBusinessObjectDefinitionEntity, businessObjectDefinitionEntity); subQueryRestriction = builder.and(subQueryRestriction, builder.equal(subBusinessObjectFormatEntity.get(BusinessObjectFormatEntity_.usage), businessObjectFormatEntity.get(BusinessObjectFormatEntity_.usage))); subQueryRestriction = builder.and(subQueryRestriction, builder.equal(subBusinessObjectFormatFileTypeEntity, fileTypeEntity)); // Create and add standard restrictions on primary and sub-partition values. subQueryRestriction = builder.and(subQueryRestriction, getQueryRestrictionOnPartitionValues(builder, subBusinessObjectDataEntity, businessObjectDataEntity)); // Add restrictions on business object data version and business object data status. Predicate subQueryRestrictionOnBusinessObjectDataVersionAndStatus = getQueryRestrictionOnBusinessObjectDataVersionAndStatus( builder, subBusinessObjectDataEntity, subBusinessObjectDataStatusEntity, businessObjectDataVersion, businessObjectDataStatus); if (subQueryRestrictionOnBusinessObjectDataVersionAndStatus != null) { subQueryRestriction = builder.and(subQueryRestriction, subQueryRestrictionOnBusinessObjectDataVersionAndStatus); } // Create and add a standard restriction on storage. subQueryRestriction = builder.and(subQueryRestriction, builder.equal(subStorageEntity, storageEntity)); subQuery.select(builder.max( subBusinessObjectFormatEntity.get(BusinessObjectFormatEntity_.businessObjectFormatVersion))) .where(subQueryRestriction); mainQueryRestriction = builder.and(mainQueryRestriction, builder.in( businessObjectFormatEntity.get(BusinessObjectFormatEntity_.businessObjectFormatVersion)) .value(subQuery)); } // Add restriction as per specified primary and/or sub-partition values. mainQueryRestriction = builder.and(mainQueryRestriction, getQueryRestrictionOnPartitionValues(builder, businessObjectDataEntity, partitionFilters.subList(partitionFilterSubListFromIndex, partitionFilterSubListFromIndex + partitionFilterSubListSize))); // If a data version was specified, use it. Otherwise, use the latest one as per specified business object data status. if (businessObjectDataVersion != null) { mainQueryRestriction = builder.and(mainQueryRestriction, builder.equal( businessObjectDataEntity.get(BusinessObjectDataEntity_.version), businessObjectDataVersion)); } else { // Business object data version is not specified, so get the latest one as per specified business object data status, if any. // Meaning, when both business object data version and business object data status are not specified, we just return // the latest business object data version in the specified storage. Subquery<Integer> subQuery = getMaximumBusinessObjectDataVersionSubQuery(builder, criteria, businessObjectDataEntity, businessObjectFormatEntity, businessObjectDataStatus, storageEntity); mainQueryRestriction = builder.and(mainQueryRestriction, builder.in(businessObjectDataEntity.get(BusinessObjectDataEntity_.version)).value(subQuery)); } // Add a storage name restriction to the main query where clause. mainQueryRestriction = builder.and(mainQueryRestriction, builder.equal(builder.upper(storageEntity.get(StorageEntity_.name)), storageName.toUpperCase())); // Add the clauses for the query. criteria.select(businessObjectDataEntity).where(mainQueryRestriction); // Order by partitions. List<Order> orderBy = new ArrayList<>(); for (SingularAttribute<BusinessObjectDataEntity, String> businessObjectDataPartition : BUSINESS_OBJECT_DATA_PARTITIONS) { orderBy.add(builder.asc(businessObjectDataEntity.get(businessObjectDataPartition))); } criteria.orderBy(orderBy); return entityManager.createQuery(criteria).getResultList(); } /** * {@inheritDoc} */ @Override public List<BusinessObjectDataEntity> getBusinessObjectDataFromStorageOlderThan(String storageName, int thresholdMinutes, List<String> businessObjectDataStatusesToIgnore) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<BusinessObjectDataEntity> criteria = builder.createQuery(BusinessObjectDataEntity.class); // The criteria root is the business object data. Root<BusinessObjectDataEntity> businessObjectDataEntity = criteria.from(BusinessObjectDataEntity.class); // Join to the other tables we can filter on. Join<BusinessObjectDataEntity, StorageUnitEntity> storageUnitEntity = businessObjectDataEntity .join(BusinessObjectDataEntity_.storageUnits); Join<StorageUnitEntity, StorageEntity> storageEntity = storageUnitEntity.join(StorageUnitEntity_.storage); Join<BusinessObjectDataEntity, BusinessObjectDataStatusEntity> businessObjectDataStatusEntity = businessObjectDataEntity .join(BusinessObjectDataEntity_.status); // Compute threshold timestamp based on the current database timestamp and threshold minutes. Timestamp thresholdTimestamp = HerdDateUtils.addMinutes(getCurrentTimestamp(), -thresholdMinutes); // Create the standard restrictions (i.e. the standard where clauses). Predicate queryRestriction = builder.equal(builder.upper(storageEntity.get(StorageEntity_.name)), storageName.toUpperCase()); queryRestriction = builder.and(queryRestriction, builder.not(businessObjectDataStatusEntity .get(BusinessObjectDataStatusEntity_.code).in(businessObjectDataStatusesToIgnore))); queryRestriction = builder.and(queryRestriction, builder.lessThanOrEqualTo( businessObjectDataEntity.get(BusinessObjectDataEntity_.createdOn), thresholdTimestamp)); // Order the results by file path. Order orderByCreatedOn = builder.asc(businessObjectDataEntity.get(BusinessObjectDataEntity_.createdOn)); // Add the clauses for the query. criteria.select(businessObjectDataEntity).where(queryRestriction).orderBy(orderByCreatedOn); return entityManager.createQuery(criteria).getResultList(); } /** * {@inheritDoc} */ @Override public Map<BusinessObjectDataEntity, StoragePolicyEntity> getBusinessObjectDataEntitiesMatchingStoragePolicies( StoragePolicyPriorityLevel storagePolicyPriorityLevel, List<String> supportedBusinessObjectDataStatuses, int startPosition, int maxResult) { // Create the criteria builder and a tuple style criteria query. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<Tuple> criteria = builder.createTupleQuery(); // The criteria root is the business object data. Root<BusinessObjectDataEntity> businessObjectDataEntity = criteria.from(BusinessObjectDataEntity.class); Root<StoragePolicyEntity> storagePolicyEntity = criteria.from(StoragePolicyEntity.class); // Join to the other tables we can filter on. Join<BusinessObjectDataEntity, StorageUnitEntity> storageUnitEntity = businessObjectDataEntity .join(BusinessObjectDataEntity_.storageUnits); Join<BusinessObjectDataEntity, BusinessObjectDataStatusEntity> businessObjectDataStatusEntity = businessObjectDataEntity .join(BusinessObjectDataEntity_.status); Join<BusinessObjectDataEntity, BusinessObjectFormatEntity> businessObjectFormatEntity = businessObjectDataEntity .join(BusinessObjectDataEntity_.businessObjectFormat); Join<BusinessObjectFormatEntity, FileTypeEntity> fileTypeEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.fileType); Join<BusinessObjectFormatEntity, BusinessObjectDefinitionEntity> businessObjectDefinitionEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.businessObjectDefinition); // Create main query restrictions based on the specified parameters. List<Predicate> mainQueryPredicates = new ArrayList<>(); // Add a restriction on business object definition. mainQueryPredicates.add(storagePolicyPriorityLevel.isBusinessObjectDefinitionIsNull() ? builder.isNull(storagePolicyEntity.get(StoragePolicyEntity_.businessObjectDefinition)) : builder.equal(businessObjectDefinitionEntity, storagePolicyEntity.get(StoragePolicyEntity_.businessObjectDefinition))); // Add a restriction on business object format usage. mainQueryPredicates.add(storagePolicyPriorityLevel.isUsageIsNull() ? builder.isNull(storagePolicyEntity.get(StoragePolicyEntity_.usage)) : builder.equal(builder.upper(businessObjectFormatEntity.get(BusinessObjectFormatEntity_.usage)), builder.upper(storagePolicyEntity.get(StoragePolicyEntity_.usage)))); // Add a restriction on business object format file type. mainQueryPredicates.add(storagePolicyPriorityLevel.isFileTypeIsNull() ? builder.isNull(storagePolicyEntity.get(StoragePolicyEntity_.fileType)) : builder.equal(fileTypeEntity, storagePolicyEntity.get(StoragePolicyEntity_.fileType))); // Add a restriction on storage policy filter storage. mainQueryPredicates.add(builder.equal(storageUnitEntity.get(StorageUnitEntity_.storage), storagePolicyEntity.get(StoragePolicyEntity_.storage))); // Add a restriction on supported business object data statuses. mainQueryPredicates.add(businessObjectDataStatusEntity.get(BusinessObjectDataStatusEntity_.code) .in(supportedBusinessObjectDataStatuses)); // Build a subquery to eliminate business object data instances that already have storage unit in the storage policy destination storage. Subquery<BusinessObjectDataEntity> subquery = criteria.subquery(BusinessObjectDataEntity.class); Root<BusinessObjectDataEntity> subBusinessObjectDataEntity = subquery.from(BusinessObjectDataEntity.class); subquery.select(subBusinessObjectDataEntity); // Join to the other tables we can filter on for the subquery. Join<BusinessObjectDataEntity, StorageUnitEntity> subStorageUnitEntity = subBusinessObjectDataEntity .join(BusinessObjectDataEntity_.storageUnits); // Create the subquery restrictions based on the main query and storage policy destination storage. List<Predicate> subQueryPredicates = new ArrayList<>(); subQueryPredicates.add(builder.equal(subBusinessObjectDataEntity, businessObjectDataEntity)); subQueryPredicates.add(builder.equal(subStorageUnitEntity.get(StorageUnitEntity_.storage), storagePolicyEntity.get(StoragePolicyEntity_.destinationStorage))); // Add all clauses to the subquery. subquery.select(subBusinessObjectDataEntity).where(subQueryPredicates.toArray(new Predicate[] {})); // Add a main query restriction based on the subquery to eliminate business object data // instances that already have storage unit in the storage policy destination storage. mainQueryPredicates.add(builder.not(builder.exists(subquery))); // Order the results by business object data "created on" value. Order orderByCreatedOn = builder.asc(businessObjectDataEntity.get(BusinessObjectDataEntity_.createdOn)); // Add the select clause to the main query. criteria.multiselect(businessObjectDataEntity, storagePolicyEntity); // Add the where clause to the main query. criteria.where(mainQueryPredicates.toArray(new Predicate[] {})); // Add the order by clause to the main query. criteria.orderBy(orderByCreatedOn); // Run the query to get a list of tuples back. List<Tuple> tuples = entityManager.createQuery(criteria).setFirstResult(startPosition) .setMaxResults(maxResult).getResultList(); // Populate the result map from the returned tuples (i.e. 1 tuple for each row). Map<BusinessObjectDataEntity, StoragePolicyEntity> result = new LinkedHashMap<>(); for (Tuple tuple : tuples) { // Since multiple storage policies can contain identical filters, we add the below check to select each business object data instance only once. if (!result.containsKey(tuple.get(businessObjectDataEntity))) { result.put(tuple.get(businessObjectDataEntity), tuple.get(storagePolicyEntity)); } } return result; } /** * Builds a sub-query to select the maximum business object data version. * * @param builder the criteria builder * @param criteria the criteria query * @param businessObjectDataEntity the business object data entity that appears in the from clause of the main query * @param businessObjectFormatEntity the business object format entity that appears in the from clause of the main query * @param businessObjectDataStatus the business object data status * * @return the sub-query to select the maximum business object data version */ private Subquery<Integer> getMaximumBusinessObjectDataVersionSubQuery(CriteriaBuilder builder, CriteriaQuery<?> criteria, From<?, BusinessObjectDataEntity> businessObjectDataEntity, From<?, BusinessObjectFormatEntity> businessObjectFormatEntity, String businessObjectDataStatus, From<?, StorageEntity> storageEntity) { // Business object data version is not specified, so get the latest one in the specified storage. Subquery<Integer> subQuery = criteria.subquery(Integer.class); // The criteria root is the business object data. Root<BusinessObjectDataEntity> subBusinessObjectDataEntity = subQuery.from(BusinessObjectDataEntity.class); // Join to the other tables we can filter on. Join<BusinessObjectDataEntity, StorageUnitEntity> subStorageUnitEntity = subBusinessObjectDataEntity .join(BusinessObjectDataEntity_.storageUnits); Join<StorageUnitEntity, StorageEntity> subStorageEntity = subStorageUnitEntity .join(StorageUnitEntity_.storage); Join<BusinessObjectDataEntity, BusinessObjectFormatEntity> subBusinessObjectFormatEntity = subBusinessObjectDataEntity .join(BusinessObjectDataEntity_.businessObjectFormat); // Add a standard restriction on business object format. Predicate subQueryRestriction = builder.equal(subBusinessObjectFormatEntity, businessObjectFormatEntity); // Create and add standard restrictions on primary and sub-partition values. subQueryRestriction = builder.and(subQueryRestriction, getQueryRestrictionOnPartitionValues(builder, subBusinessObjectDataEntity, businessObjectDataEntity)); // If specified, create and add a standard restriction on business object data status. if (businessObjectDataStatus != null) { Join<BusinessObjectDataEntity, BusinessObjectDataStatusEntity> subBusinessObjectDataStatusEntity = subBusinessObjectDataEntity .join(BusinessObjectDataEntity_.status); subQueryRestriction = builder.and(subQueryRestriction, builder.equal( builder.upper( subBusinessObjectDataStatusEntity.get(BusinessObjectDataStatusEntity_.code)), businessObjectDataStatus.toUpperCase())); } // Create and add a standard restriction on storage. subQueryRestriction = builder.and(subQueryRestriction, builder.equal(subStorageEntity, storageEntity)); subQuery.select(builder.max(subBusinessObjectDataEntity.get(BusinessObjectDataEntity_.version))) .where(subQueryRestriction); return subQuery; } /** * Builds a query restriction predicate for the specified entities as per business object data key values. * * @param builder the criteria builder * @param businessObjectDataEntity the business object data entity that appears in the from clause * @param businessObjectFormatEntity the business object format entity that appears in the from clause * @param fileTypeEntity the file type entity that appears in the from clause * @param businessObjectDefinitionEntity the business object definition entity that appears in the from clause * @param businessObjectDataKey the business object data key * * @return the query restriction predicate */ private Predicate getQueryRestriction(CriteriaBuilder builder, From<?, BusinessObjectDataEntity> businessObjectDataEntity, From<?, BusinessObjectFormatEntity> businessObjectFormatEntity, From<?, FileTypeEntity> fileTypeEntity, From<?, BusinessObjectDefinitionEntity> businessObjectDefinitionEntity, BusinessObjectDataKey businessObjectDataKey) { // Create the standard restrictions based on the business object format key values that are part of the business object data key. // Please note that we specify not to ignore the business object format version. Predicate predicate = getQueryRestriction(builder, businessObjectFormatEntity, fileTypeEntity, businessObjectDefinitionEntity, getBusinessObjectFormatKey(businessObjectDataKey), false); // Create and append a restriction on partition values. predicate = builder.and(predicate, getQueryRestrictionOnPartitionValues(builder, businessObjectDataEntity, businessObjectDataKey)); // If it is specified, create and append a restriction on business object data version. if (businessObjectDataKey.getBusinessObjectDataVersion() != null) { predicate = builder.and(predicate, builder.equal(businessObjectDataEntity.get(BusinessObjectDataEntity_.version), businessObjectDataKey.getBusinessObjectDataVersion())); } return predicate; } /** * Builds a query restriction predicate for the specified business object data entity as per primary and sub-partition values in the business object data * key. * * @param builder the criteria builder * @param businessObjectDataEntity the business object data entity that appears in the from clause * @param businessObjectDataKey the business object data key * * @return the query restriction predicate */ private Predicate getQueryRestrictionOnPartitionValues(CriteriaBuilder builder, From<?, BusinessObjectDataEntity> businessObjectDataEntity, BusinessObjectDataKey businessObjectDataKey) { // Create a standard restriction on primary partition value. Predicate predicate = builder.equal(businessObjectDataEntity.get(BusinessObjectDataEntity_.partitionValue), businessObjectDataKey.getPartitionValue()); // Create and add standard restrictions on sub-partition values. Please note that the subpartition value columns are nullable. int subPartitionValuesCount = getSubPartitionValuesCount(businessObjectDataKey); for (int i = 0; i < BusinessObjectDataEntity.MAX_SUBPARTITIONS; i++) { predicate = builder.and(predicate, i < subPartitionValuesCount ? builder.equal(businessObjectDataEntity.get(BUSINESS_OBJECT_DATA_SUBPARTITIONS.get(i)), businessObjectDataKey.getSubPartitionValues().get(i)) : builder.isNull(businessObjectDataEntity.get(BUSINESS_OBJECT_DATA_SUBPARTITIONS.get(i)))); } return predicate; } /** * Builds a query restriction predicate for the sub-query business object data entity as per partition values from the specified main query business object * data entity. * * @param builder the criteria builder * @param subBusinessObjectDataEntity the sub-query business object data entity that appears in the from clause * @param mainBusinessObjectDataEntity the main query business object data entity that appears in the from clause * * @return the query restriction predicate */ private Predicate getQueryRestrictionOnPartitionValues(CriteriaBuilder builder, From<?, BusinessObjectDataEntity> subBusinessObjectDataEntity, From<?, BusinessObjectDataEntity> mainBusinessObjectDataEntity) { // Create a standard restriction on primary partition value. Predicate predicate = builder.equal( subBusinessObjectDataEntity.get(BusinessObjectDataEntity_.partitionValue), mainBusinessObjectDataEntity.get(BusinessObjectDataEntity_.partitionValue)); // Create and add standard restrictions on sub-partition values. Please note that the subpartition value columns are nullable. for (SingularAttribute<BusinessObjectDataEntity, String> businessObjectDataPartitionValueSingularAttribute : BUSINESS_OBJECT_DATA_SUBPARTITIONS) { predicate = builder.and(predicate, builder.or( builder.and( builder.isNull(subBusinessObjectDataEntity .get(businessObjectDataPartitionValueSingularAttribute)), builder.isNull(mainBusinessObjectDataEntity .get(businessObjectDataPartitionValueSingularAttribute))), builder.equal( subBusinessObjectDataEntity.get(businessObjectDataPartitionValueSingularAttribute), mainBusinessObjectDataEntity.get(businessObjectDataPartitionValueSingularAttribute)))); } return predicate; } /** * Builds a query restriction predicate for the sub-query business object data entity as per partition values from the specified main query business object * data entity. * * @param builder the criteria builder * @param businessObjectDataEntity the business object data entity that appears in the from clause * @param partitionFilters the list of partition filter to be used to select business object data instances. Each partition filter contains a list of * primary and sub-partition values in the right order up to the maximum partition levels allowed by business object data registration - with partition * values for the relative partitions not to be used for selection passed as nulls. * * @return the query restriction predicate */ private Predicate getQueryRestrictionOnPartitionValues(CriteriaBuilder builder, From<?, BusinessObjectDataEntity> businessObjectDataEntity, List<List<String>> partitionFilters) { // Create a query restriction as per specified primary and/or sub-partition values. Predicate predicate = null; for (List<String> partitionFilter : partitionFilters) { // Add restriction for each partition level if the relative partition value is specified in the partition filter. Predicate partitionRestriction = null; for (int partitionLevel = 0; partitionLevel < BusinessObjectDataEntity.MAX_SUBPARTITIONS + 1; partitionLevel++) { String partitionValue = partitionFilter.get(partitionLevel); if (StringUtils.isNotBlank(partitionValue)) { Predicate partitionValueRestriction = builder.equal( businessObjectDataEntity.get(BUSINESS_OBJECT_DATA_PARTITIONS.get(partitionLevel)), partitionValue); partitionRestriction = (partitionRestriction == null ? partitionValueRestriction : builder.and(partitionRestriction, partitionValueRestriction)); } } predicate = (predicate == null ? partitionRestriction : builder.or(predicate, partitionRestriction)); } return predicate; } /** * Builds query restriction predicates and adds them to the query restriction as per specified business object data version and status. If a business object * data version is specified, the business object data status is ignored. When both business object data version and business object data status are not * specified, the sub-query restriction is not getting updated. * * @param builder the criteria builder * @param businessObjectDataEntity the business object data entity that appears in the from clause * @param businessObjectDataStatusEntity the business object data status entity that appears in the from clause * @param businessObjectDataVersion the business object data version * @param businessObjectDataStatus the business object data status. This parameter is ignored when the business object data version is specified. * * @return the query restriction predicate or null if both business object data version and business object data status are not specified */ private Predicate getQueryRestrictionOnBusinessObjectDataVersionAndStatus(CriteriaBuilder builder, From<?, BusinessObjectDataEntity> businessObjectDataEntity, From<?, BusinessObjectDataStatusEntity> businessObjectDataStatusEntity, Integer businessObjectDataVersion, String businessObjectDataStatus) { Predicate predicate = null; // If specified, create a standard restriction on the business object data version. if (businessObjectDataVersion != null) { predicate = builder.equal(businessObjectDataEntity.get(BusinessObjectDataEntity_.version), businessObjectDataVersion); } // Only if a business object data version is not specified, check if we need to add a restriction on the business object data status. else if (businessObjectDataStatus != null) { predicate = builder.equal( builder.upper(businessObjectDataStatusEntity.get(BusinessObjectDataStatusEntity_.code)), businessObjectDataStatus.toUpperCase()); } return predicate; } // StoragePlatform /** * {@inheritDoc} */ @Override public StoragePlatformEntity getStoragePlatformByName(String name) { Map<String, Object> params = new HashMap<>(); params.put(StoragePlatformEntity.COLUMN_NAME, name); return queryUniqueByNamedQueryAndNamedParams(StoragePlatformEntity.QUERY_GET_STORAGE_PLATFORM_BY_NAME, params); } // Storage /** * {@inheritDoc} */ @Override public StorageEntity getStorageByName(String storageName) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<StorageEntity> criteria = builder.createQuery(StorageEntity.class); // The criteria root is the namespace. Root<StorageEntity> storageEntity = criteria.from(StorageEntity.class); // Create the standard restrictions (i.e. the standard where clauses). Predicate queryRestriction = builder.equal(builder.upper(storageEntity.get(StorageEntity_.name)), storageName.toUpperCase()); criteria.select(storageEntity).where(queryRestriction); return executeSingleResultQuery(criteria, String.format("Found more than one storage with \"%s\" name.", storageName)); } /** * {@inheritDoc} */ @Override public List<StorageKey> getStorages() { // Create the criteria builder and a tuple style criteria query. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<String> criteria = builder.createQuery(String.class); // The criteria root is the storage. Root<StorageEntity> storageEntity = criteria.from(StorageEntity.class); // Get the columns. Path<String> storageNameColumn = storageEntity.get(StorageEntity_.name); // Add the select clause. criteria.select(storageNameColumn); // Add the order by clause. criteria.orderBy(builder.asc(storageNameColumn)); // Run the query to get a list of storage names back. List<String> storageNames = entityManager.createQuery(criteria).getResultList(); // Populate the "keys" objects from the returned storage names. List<StorageKey> storageKeys = new ArrayList<>(); for (String storageName : storageNames) { storageKeys.add(new StorageKey(storageName)); } return storageKeys; } // StorageUnitStatus /** * {@inheritDoc} */ @Override public StorageUnitStatusEntity getStorageUnitStatusByCode(String code) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<StorageUnitStatusEntity> criteria = builder.createQuery(StorageUnitStatusEntity.class); // The criteria root is the storage unit status. Root<StorageUnitStatusEntity> storageUnitStatusEntity = criteria.from(StorageUnitStatusEntity.class); // Create the standard restrictions (i.e. the standard where clauses). Predicate storageUnitStatusCodeRestriction = builder.equal( builder.upper(storageUnitStatusEntity.get(StorageUnitStatusEntity_.code)), code.toUpperCase()); criteria.select(storageUnitStatusEntity).where(storageUnitStatusCodeRestriction); return executeSingleResultQuery(criteria, String.format("Found more than one storage unit status with code \"%s\".", code)); } // StorageUnit /** * {@inheritDoc} */ @Override public StorageUnitEntity getStorageUnitByBusinessObjectDataAndStorageName( BusinessObjectDataEntity businessObjectDataEntity, String storageName) { CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<StorageUnitEntity> criteria = builder.createQuery(StorageUnitEntity.class); Root<StorageUnitEntity> storageUnitEntity = criteria.from(StorageUnitEntity.class); // join storage unit to storage to retrieve name Join<StorageUnitEntity, StorageEntity> storageEntity = storageUnitEntity.join(StorageUnitEntity_.storage); // where business object data equals Predicate businessObjectDataRestriction = builder .equal(storageUnitEntity.get(StorageUnitEntity_.businessObjectData), businessObjectDataEntity); // where storage name equals, ignoring case Predicate storageNameRestriction = builder.equal(builder.upper(storageEntity.get(StorageEntity_.name)), storageName.toUpperCase()); criteria.select(storageUnitEntity) .where(builder.and(businessObjectDataRestriction, storageNameRestriction)); List<StorageUnitEntity> resultList = entityManager.createQuery(criteria).getResultList(); // return single result or null return resultList.size() >= 1 ? resultList.get(0) : null; } /** * {@inheritDoc} */ @Override public StorageUnitEntity getStorageUnitByStorageNameAndDirectoryPath(String storageName, String directoryPath) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<StorageUnitEntity> criteria = builder.createQuery(StorageUnitEntity.class); // The criteria root is the storage units. Root<StorageUnitEntity> storageUnitEntity = criteria.from(StorageUnitEntity.class); // Join to the other tables we can filter on. Join<StorageUnitEntity, StorageEntity> storageEntity = storageUnitEntity.join(StorageUnitEntity_.storage); // Create the standard restrictions (i.e. the standard where clauses). Predicate storageNameRestriction = builder.equal(builder.upper(storageEntity.get(StorageEntity_.name)), storageName.toUpperCase()); Predicate directoryPathRestriction = builder.equal(storageUnitEntity.get(StorageUnitEntity_.directoryPath), directoryPath); criteria.select(storageUnitEntity).where(builder.and(storageNameRestriction, directoryPathRestriction)); List<StorageUnitEntity> resultList = entityManager.createQuery(criteria).getResultList(); // Return the first found storage unit or null if none were found. return resultList.size() >= 1 ? resultList.get(0) : null; } /** * {@inheritDoc} */ @Override public List<StorageUnitEntity> getStorageUnitsByStorageAndBusinessObjectData(StorageEntity storageEntity, List<BusinessObjectDataEntity> businessObjectDataEntities) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<StorageUnitEntity> criteria = builder.createQuery(StorageUnitEntity.class); // The criteria root is the storage unit. Root<StorageUnitEntity> storageUnitEntity = criteria.from(StorageUnitEntity.class); // Create the standard restrictions (i.e. the standard where clauses). Predicate queryRestriction = builder.equal(storageUnitEntity.get(StorageUnitEntity_.storage), storageEntity); queryRestriction = builder.and(queryRestriction, getPredicateForInClause(builder, storageUnitEntity.get(StorageUnitEntity_.businessObjectData), businessObjectDataEntities)); // Add the clauses for the query. criteria.select(storageUnitEntity).where(queryRestriction); // Execute the query and return the results. return entityManager.createQuery(criteria).getResultList(); } /** * {@inheritDoc} */ @Override public List<StorageUnitEntity> getStorageUnitsByPartitionFiltersAndStorages( BusinessObjectFormatKey businessObjectFormatKey, List<List<String>> partitionFilters, Integer businessObjectDataVersion, String businessObjectDataStatus, List<String> storageNames, String storagePlatformType, String excludedStoragePlatformType, boolean selectOnlyAvailableStorageUnits) { List<StorageUnitEntity> resultStorageUnitEntities = new ArrayList<>(); // Loop through each chunk of partition filters until we have reached the end of the list. for (int i = 0; i < partitionFilters.size(); i += MAX_PARTITION_FILTERS_PER_REQUEST) { // Get a sub-list for the current chunk of partition filters. List<StorageUnitEntity> storageUnitEntitiesSubset = getStorageUnitsByPartitionFiltersAndStorages( businessObjectFormatKey, partitionFilters, businessObjectDataVersion, businessObjectDataStatus, storageNames, storagePlatformType, excludedStoragePlatformType, selectOnlyAvailableStorageUnits, i, (i + MAX_PARTITION_FILTERS_PER_REQUEST) > partitionFilters.size() ? partitionFilters.size() - i : MAX_PARTITION_FILTERS_PER_REQUEST); // Add the sub-list to the result. resultStorageUnitEntities.addAll(storageUnitEntitiesSubset); } return resultStorageUnitEntities; } /** * Retrieves a list of storage unit entities per specified parameters. This method processes a sublist of partition filters specified by * partitionFilterSubListFromIndex and partitionFilterSubListSize parameters. * * @param businessObjectFormatKey the business object format key (case-insensitive). If a business object format version isn't specified, the latest * available format version for each partition value will be used * @param partitionFilters the list of partition filter to be used to select business object data instances. Each partition filter contains a list of * primary and sub-partition values in the right order up to the maximum partition levels allowed by business object data registration - with partition * values for the relative partitions not to be used for selection passed as nulls * @param businessObjectDataVersion the business object data version. If a business object data version isn't specified, the latest data version based on * the specified business object data status is returned * @param businessObjectDataStatus the business object data status. This parameter is ignored when the business object data version is specified. When * business object data version and business object data status both are not specified, the latest data version for each set of partition values will be * used regardless of the status * @param storageNames the list of storage names where the business object data storage units should be looked for (case-insensitive) * @param storagePlatformType the optional storage platform type, e.g. S3 for Hive DDL. It is ignored when the list of storages is not empty * @param excludedStoragePlatformType the optional storage platform type to be excluded from search. It is ignored when the list of storages is not empty or * the storage platform type is specified * @param partitionFilterSubListFromIndex the index of the first element in the partition filter sublist * @param partitionFilterSubListSize the size of the partition filter sublist * @param selectOnlyAvailableStorageUnits specifies if only available storage units will be selected or any storage units regardless of their status * * @return the list of storage unit entities sorted by partition values */ private List<StorageUnitEntity> getStorageUnitsByPartitionFiltersAndStorages( BusinessObjectFormatKey businessObjectFormatKey, List<List<String>> partitionFilters, Integer businessObjectDataVersion, String businessObjectDataStatus, List<String> storageNames, String storagePlatformType, String excludedStoragePlatformType, boolean selectOnlyAvailableStorageUnits, int partitionFilterSubListFromIndex, int partitionFilterSubListSize) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<Tuple> criteria = builder.createTupleQuery(); // The criteria root is the storage unit. Root<StorageUnitEntity> storageUnitEntity = criteria.from(StorageUnitEntity.class); // Join to the other tables we can filter on. Join<StorageUnitEntity, BusinessObjectDataEntity> businessObjectDataEntity = storageUnitEntity .join(StorageUnitEntity_.businessObjectData); Join<StorageUnitEntity, StorageEntity> storageEntity = storageUnitEntity.join(StorageUnitEntity_.storage); Join<StorageEntity, StoragePlatformEntity> storagePlatformEntity = storageEntity .join(StorageEntity_.storagePlatform); Join<BusinessObjectDataEntity, BusinessObjectFormatEntity> businessObjectFormatEntity = businessObjectDataEntity .join(BusinessObjectDataEntity_.businessObjectFormat); Join<BusinessObjectFormatEntity, FileTypeEntity> fileTypeEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.fileType); Join<BusinessObjectFormatEntity, BusinessObjectDefinitionEntity> businessObjectDefinitionEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.businessObjectDefinition); Join<StorageUnitEntity, StorageUnitStatusEntity> storageUnitStatusEntity = storageUnitEntity .join(StorageUnitEntity_.status); // Create the standard restrictions (i.e. the standard where clauses). // Create a standard restriction based on the business object format key values. // Please note that we specify not to ignore the business object format version. Predicate mainQueryRestriction = getQueryRestriction(builder, businessObjectFormatEntity, fileTypeEntity, businessObjectDefinitionEntity, businessObjectFormatKey, false); // If a format version was not specified, use the latest available for this set of partition values. if (businessObjectFormatKey.getBusinessObjectFormatVersion() == null) { // Get the latest available format version for this set of partition values and per other restrictions. Subquery<Integer> subQuery = getMaximumBusinessObjectFormatVersionSubQuery(builder, criteria, businessObjectDefinitionEntity, businessObjectFormatEntity, fileTypeEntity, businessObjectDataEntity, businessObjectDataVersion, businessObjectDataStatus, storageEntity, selectOnlyAvailableStorageUnits); mainQueryRestriction = builder.and(mainQueryRestriction, builder.in( businessObjectFormatEntity.get(BusinessObjectFormatEntity_.businessObjectFormatVersion)) .value(subQuery)); } // Add restriction as per specified primary and/or sub-partition values. mainQueryRestriction = builder.and(mainQueryRestriction, getQueryRestrictionOnPartitionValues(builder, businessObjectDataEntity, partitionFilters.subList(partitionFilterSubListFromIndex, partitionFilterSubListFromIndex + partitionFilterSubListSize))); // If a data version was specified, use it. Otherwise, use the latest one as per specified business object data status. if (businessObjectDataVersion != null) { mainQueryRestriction = builder.and(mainQueryRestriction, builder.equal( businessObjectDataEntity.get(BusinessObjectDataEntity_.version), businessObjectDataVersion)); } else { // Business object data version is not specified, so get the latest one as per specified business object data status, if any. // Meaning, when both business object data version and business object data status are not specified, we just return // the latest business object data version in the specified storage. Subquery<Integer> subQuery = getMaximumBusinessObjectDataVersionSubQuery(builder, criteria, businessObjectDataEntity, businessObjectFormatEntity, businessObjectDataStatus, storageEntity); mainQueryRestriction = builder.and(mainQueryRestriction, builder.in(businessObjectDataEntity.get(BusinessObjectDataEntity_.version)).value(subQuery)); } // If specified, add restriction on storage. if (!CollectionUtils.isEmpty(storageNames)) { // Add a storage name restriction to the main query where clause. List<String> uppercaseStorageNames = new ArrayList<>(); for (String storageName : storageNames) { uppercaseStorageNames.add(storageName.toUpperCase()); } mainQueryRestriction = builder.and(mainQueryRestriction, builder.upper(storageEntity.get(StorageEntity_.name)).in(uppercaseStorageNames)); } else if (StringUtils.isNotBlank(storagePlatformType)) { // Select storage units only from the storages of the specified storage platform type. mainQueryRestriction = builder.and(mainQueryRestriction, builder.equal(storagePlatformEntity.get(StoragePlatformEntity_.name), storagePlatformType)); } else if (StringUtils.isNotBlank(excludedStoragePlatformType)) { // Ignore any storages of the excluded storage platform type. mainQueryRestriction = builder.and(mainQueryRestriction, builder .notEqual(storagePlatformEntity.get(StoragePlatformEntity_.name), excludedStoragePlatformType)); } // If specified, add a restriction on storage unit status availability flag. if (selectOnlyAvailableStorageUnits) { mainQueryRestriction = builder.and(mainQueryRestriction, builder.isTrue(storageUnitStatusEntity.get(StorageUnitStatusEntity_.available))); } // Order by partitions and storage names. List<Order> orderBy = new ArrayList<>(); for (SingularAttribute<BusinessObjectDataEntity, String> businessObjectDataPartition : BUSINESS_OBJECT_DATA_PARTITIONS) { orderBy.add(builder.asc(businessObjectDataEntity.get(businessObjectDataPartition))); } orderBy.add(builder.asc(storageEntity.get(StorageEntity_.name))); // Add the clauses for the query. // Please note that we use multiselect here in order to eliminate the Hibernate N+1 SELECT's problem, // happening when we select storage unit entities and access their relative business object data entities. // This is an alternative approach, since adding @Fetch(FetchMode.JOIN) failed to address the issue. criteria.multiselect(storageUnitEntity, storageUnitStatusEntity, storageEntity, storagePlatformEntity, businessObjectDataEntity, businessObjectFormatEntity).where(mainQueryRestriction).orderBy(orderBy); // Run the query to get a list of tuples back. List<Tuple> tuples = entityManager.createQuery(criteria).getResultList(); // Build a list of storage unit entities to return. List<StorageUnitEntity> storageUnitEntities = new ArrayList<>(); for (Tuple tuple : tuples) { storageUnitEntities.add(tuple.get(storageUnitEntity)); } return storageUnitEntities; } /** * Builds a sub-query to select the maximum business object data version. * * @param builder the criteria builder * @param criteria the criteria query * @param businessObjectDefinitionEntity the business object definition entity that appears in the from clause of the main query * @param businessObjectFormatEntity the business object format entity that appears in the from clause of the main query * @param fileTypeEntity the file type entity that appears in the from clause of the main query * @param businessObjectDataEntity the business object data entity that appears in the from clause of the main query * @param businessObjectDataVersion the business object data version. If a business object data version isn't specified, the latest data version based on * the specified business object data status is returned * @param businessObjectDataStatus the business object data status. This parameter is ignored when the business object data version is specified. When * business object data version and business object data status both are not specified, the latest data version for each set of partition values will be * used regardless of the status * @param selectOnlyAvailableStorageUnits specifies if only available storage units will be selected or any storage units regardless of their status * * @return the sub-query to select the maximum business object data version */ private Subquery<Integer> getMaximumBusinessObjectFormatVersionSubQuery(CriteriaBuilder builder, CriteriaQuery<?> criteria, From<?, BusinessObjectDefinitionEntity> businessObjectDefinitionEntity, From<?, BusinessObjectFormatEntity> businessObjectFormatEntity, From<?, FileTypeEntity> fileTypeEntity, From<?, BusinessObjectDataEntity> businessObjectDataEntity, Integer businessObjectDataVersion, String businessObjectDataStatus, From<?, StorageEntity> storageEntity, boolean selectOnlyAvailableStorageUnits) { // Business object format version is not specified, so just use the latest available for this set of partition values. Subquery<Integer> subQuery = criteria.subquery(Integer.class); // The criteria root is the business object data. Root<BusinessObjectDataEntity> subBusinessObjectDataEntity = subQuery.from(BusinessObjectDataEntity.class); // Join to the other tables we can filter on. Join<BusinessObjectDataEntity, StorageUnitEntity> subStorageUnitEntity = subBusinessObjectDataEntity .join(BusinessObjectDataEntity_.storageUnits); Join<StorageUnitEntity, StorageEntity> subStorageEntity = subStorageUnitEntity .join(StorageUnitEntity_.storage); Join<BusinessObjectDataEntity, BusinessObjectFormatEntity> subBusinessObjectFormatEntity = subBusinessObjectDataEntity .join(BusinessObjectDataEntity_.businessObjectFormat); Join<BusinessObjectFormatEntity, BusinessObjectDefinitionEntity> subBusinessObjectDefinitionEntity = subBusinessObjectFormatEntity .join(BusinessObjectFormatEntity_.businessObjectDefinition); Join<BusinessObjectFormatEntity, FileTypeEntity> subBusinessObjectFormatFileTypeEntity = subBusinessObjectFormatEntity .join(BusinessObjectFormatEntity_.fileType); Join<BusinessObjectDataEntity, BusinessObjectDataStatusEntity> subBusinessObjectDataStatusEntity = subBusinessObjectDataEntity .join(BusinessObjectDataEntity_.status); Join<StorageUnitEntity, StorageUnitStatusEntity> subStorageUnitStatusEntity = subStorageUnitEntity .join(StorageUnitEntity_.status); // Create the standard restrictions (i.e. the standard where clauses). Predicate subQueryRestriction = builder.equal(subBusinessObjectDefinitionEntity, businessObjectDefinitionEntity); subQueryRestriction = builder.and(subQueryRestriction, builder.equal(subBusinessObjectFormatEntity.get(BusinessObjectFormatEntity_.usage), businessObjectFormatEntity.get(BusinessObjectFormatEntity_.usage))); subQueryRestriction = builder.and(subQueryRestriction, builder.equal(subBusinessObjectFormatFileTypeEntity, fileTypeEntity)); // Create and add standard restrictions on primary and sub-partition values. subQueryRestriction = builder.and(subQueryRestriction, getQueryRestrictionOnPartitionValues(builder, subBusinessObjectDataEntity, businessObjectDataEntity)); // Add restrictions on business object data version and business object data status. Predicate subQueryRestrictionOnBusinessObjectDataVersionAndStatus = getQueryRestrictionOnBusinessObjectDataVersionAndStatus( builder, subBusinessObjectDataEntity, subBusinessObjectDataStatusEntity, businessObjectDataVersion, businessObjectDataStatus); if (subQueryRestrictionOnBusinessObjectDataVersionAndStatus != null) { subQueryRestriction = builder.and(subQueryRestriction, subQueryRestrictionOnBusinessObjectDataVersionAndStatus); } // Create and add a standard restriction on storage. subQueryRestriction = builder.and(subQueryRestriction, builder.equal(subStorageEntity, storageEntity)); // If specified, add a restriction on storage unit status availability flag. if (selectOnlyAvailableStorageUnits) { subQueryRestriction = builder.and(subQueryRestriction, builder.isTrue(subStorageUnitStatusEntity.get(StorageUnitStatusEntity_.available))); } // Add all of the clauses to the subquery. subQuery.select(builder .max(subBusinessObjectFormatEntity.get(BusinessObjectFormatEntity_.businessObjectFormatVersion))) .where(subQueryRestriction); return subQuery; } // StorageFile /** * {@inheritDoc} */ @Override public StorageFileEntity getStorageFileByStorageNameAndFilePath(String storageName, String filePath) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<StorageFileEntity> criteria = builder.createQuery(StorageFileEntity.class); // The criteria root is the storage files. Root<StorageFileEntity> storageFileEntity = criteria.from(StorageFileEntity.class); // Join to the other tables we can filter on. Join<StorageFileEntity, StorageUnitEntity> storageUnitEntity = storageFileEntity .join(StorageFileEntity_.storageUnit); Join<StorageUnitEntity, StorageEntity> storageEntity = storageUnitEntity.join(StorageUnitEntity_.storage); // Create the standard restrictions (i.e. the standard where clauses). Predicate filePathRestriction = builder.equal(storageFileEntity.get(StorageFileEntity_.path), filePath); Predicate storageNameRestriction = builder.equal(builder.upper(storageEntity.get(StorageEntity_.name)), storageName.toUpperCase()); criteria.select(storageFileEntity).where(builder.and(filePathRestriction, storageNameRestriction)); return executeSingleResultQuery(criteria, String.format( "Found more than one storage file with parameters {storageName=\"%s\"," + " filePath=\"%s\"}.", storageName, filePath)); } /** * {@inheritDoc} */ @Override public Long getStorageFileCount(String storageName, String filePathPrefix) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<Long> criteria = builder.createQuery(Long.class); // The criteria root is the storage files. Root<StorageFileEntity> storageFileEntity = criteria.from(StorageFileEntity.class); // Join to the other tables we can filter on. Join<StorageFileEntity, StorageUnitEntity> storageUnitEntity = storageFileEntity .join(StorageFileEntity_.storageUnit); Join<StorageUnitEntity, StorageEntity> storageEntity = storageUnitEntity.join(StorageUnitEntity_.storage); // Create path. Expression<Long> storageFileCount = builder.count(storageFileEntity.get(StorageFileEntity_.id)); // Create the standard restrictions (i.e. the standard where clauses). Predicate storageNameRestriction = builder.equal(builder.upper(storageEntity.get(StorageEntity_.name)), storageName.toUpperCase()); Predicate filePathRestriction = builder.like(storageFileEntity.get(StorageFileEntity_.path), String.format("%s%%", filePathPrefix)); // Add the clauses for the query. criteria.select(storageFileCount).where(builder.and(storageNameRestriction, filePathRestriction)); return entityManager.createQuery(criteria).getSingleResult(); } /** * {@inheritDoc} */ @Override public List<StorageFileEntity> getStorageFilesByStorageAndFilePathPrefix(String storageName, String filePathPrefix) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<StorageFileEntity> criteria = builder.createQuery(StorageFileEntity.class); // The criteria root is the storage files. Root<StorageFileEntity> storageFileEntity = criteria.from(StorageFileEntity.class); // Join to the other tables we can filter on. Join<StorageFileEntity, StorageUnitEntity> storageUnitEntity = storageFileEntity .join(StorageFileEntity_.storageUnit); Join<StorageUnitEntity, StorageEntity> storageEntity = storageUnitEntity.join(StorageUnitEntity_.storage); // Create the standard restrictions (i.e. the standard where clauses). Predicate filePathRestriction = builder.like(storageFileEntity.get(StorageFileEntity_.path), String.format("%s%%", filePathPrefix)); Predicate storageNameRestriction = builder.equal(builder.upper(storageEntity.get(StorageEntity_.name)), storageName.toUpperCase()); // Order the results by file path. Order orderByFilePath = builder.asc(storageFileEntity.get(StorageFileEntity_.path)); criteria.select(storageFileEntity).where(builder.and(filePathRestriction, storageNameRestriction)) .orderBy(orderByFilePath); return entityManager.createQuery(criteria).getResultList(); } /** * {@inheritDoc} */ @Override public MultiValuedMap<Integer, String> getStorageFilePathsByStorageUnits( List<StorageUnitEntity> storageUnitEntities) { // Create a map that can hold a collection of values against each key. MultiValuedMap<Integer, String> result = new ArrayListValuedHashMap<>(); // Retrieve the pagination size for the storage file paths query configured in the system. Integer paginationSize = configurationHelper .getProperty(ConfigurationValue.STORAGE_FILE_PATHS_QUERY_PAGINATION_SIZE, Integer.class); // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<Tuple> criteria = builder.createTupleQuery(); // The criteria root is the storage file. Root<StorageFileEntity> storageFileEntity = criteria.from(StorageFileEntity.class); // Join to the other tables we can filter on. Join<StorageFileEntity, StorageUnitEntity> storageUnitEntity = storageFileEntity .join(StorageFileEntity_.storageUnit); // Get the columns. Path<Integer> storageUnitIdColumn = storageUnitEntity.get(StorageUnitEntity_.id); Path<String> storageFilePathColumn = storageFileEntity.get(StorageFileEntity_.path); // Create the standard restrictions (i.e. the standard where clauses). Predicate queryRestriction = getPredicateForInClause(builder, storageUnitEntity, storageUnitEntities); // Add the select clause. criteria.multiselect(storageUnitIdColumn, storageFilePathColumn); // Add the where clause. criteria.where(queryRestriction); // Execute the query using pagination and populate the result map. int startPosition = 0; while (true) { // Run the query to get a list of tuples back. List<Tuple> tuples = entityManager.createQuery(criteria).setFirstResult(startPosition) .setMaxResults(paginationSize).getResultList(); // Populate the result map from the returned tuples (i.e. 1 tuple for each row). for (Tuple tuple : tuples) { // Extract the tuple values. Integer storageUnitId = tuple.get(storageUnitIdColumn); String storageFilePath = tuple.get(storageFilePathColumn); // Update the result map. result.put(storageUnitId, storageFilePath); } // Break out of the while loop if we got less results than the pagination size. if (tuples.size() < paginationSize) { break; } // Increment the start position. startPosition += paginationSize; } return result; } // StoragePolicyRuleType /** * {@inheritDoc} */ @Override public StoragePolicyRuleTypeEntity getStoragePolicyRuleTypeByCode(String code) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<StoragePolicyRuleTypeEntity> criteria = builder .createQuery(StoragePolicyRuleTypeEntity.class); // The criteria root is the storage policy rule type. Root<StoragePolicyRuleTypeEntity> storagePolicyRuleTypeEntity = criteria .from(StoragePolicyRuleTypeEntity.class); // Create the standard restrictions (i.e. the standard where clauses). Predicate queryRestriction = builder.equal( builder.upper(storagePolicyRuleTypeEntity.get(StoragePolicyRuleTypeEntity_.code)), code.toUpperCase()); criteria.select(storagePolicyRuleTypeEntity).where(queryRestriction); return executeSingleResultQuery(criteria, String.format("Found more than one storage policy rule type with code \"%s\".", code)); } // StoragePolicy /** * {@inheritDoc} */ @Override public StoragePolicyEntity getStoragePolicyByAltKey(StoragePolicyKey key) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<StoragePolicyEntity> criteria = builder.createQuery(StoragePolicyEntity.class); // The criteria root is the storage policy entity. Root<StoragePolicyEntity> storagePolicyEntity = criteria.from(StoragePolicyEntity.class); // Join to the other tables we can filter on. Join<StoragePolicyEntity, NamespaceEntity> namespaceEntity = storagePolicyEntity .join(StoragePolicyEntity_.namespace); // Create the standard restrictions (i.e. the standard where clauses). Predicate queryRestriction = builder.equal(builder.upper(namespaceEntity.get(NamespaceEntity_.code)), key.getNamespace().toUpperCase()); queryRestriction = builder.and(queryRestriction, builder.equal(builder.upper(storagePolicyEntity.get(StoragePolicyEntity_.name)), key.getStoragePolicyName().toUpperCase())); criteria.select(storagePolicyEntity).where(queryRestriction); return executeSingleResultQuery(criteria, String.format( "Found more than one storage policy with with parameters {namespace=\"%s\", storagePolicyName=\"%s\"}.", key.getNamespace(), key.getStoragePolicyName())); } // StorageUploadStatistics /** * {@inheritDoc} */ @Override public StorageDailyUploadStats getStorageUploadStats(StorageAlternateKeyDto storageAlternateKey, DateRangeDto dateRange) { // TODO: Remove Oracle specific code once we migrate away from Oracle. switch (Database.valueOf(configurationHelper.getProperty(ConfigurationValue.DATABASE_TYPE))) { case ORACLE: return getStorageUploadStatsOracle(storageAlternateKey, dateRange); default: return getStorageUploadStatsDatabaseAgnostic(storageAlternateKey, dateRange); } } /** * TODO: Make this method the main body of getStorageUploadStats once we migrate away from Oracle getStorageUploadStats TODO: that leverages the storage * file view to query. This method is meant to be database agnostic. * * @param storageAlternateKey the storage alternate key * @param dateRange the date range * * @return the upload statistics */ private StorageDailyUploadStats getStorageUploadStatsDatabaseAgnostic( StorageAlternateKeyDto storageAlternateKey, DateRangeDto dateRange) { CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<Tuple> criteria = builder.createTupleQuery(); Root<StorageFileViewEntity> storageFileViewEntity = criteria.from(StorageFileViewEntity.class); Path<Date> createdDate = storageFileViewEntity.get(StorageFileViewEntity_.createdDate); Expression<Long> totalFilesExpression = builder .count(storageFileViewEntity.get(StorageFileViewEntity_.storageFileId)); Expression<Long> totalBytesExpression = builder .sum(storageFileViewEntity.get(StorageFileViewEntity_.fileSizeInBytes)); Predicate storageNameRestriction = builder.equal( builder.upper(storageFileViewEntity.get(StorageFileViewEntity_.storageCode)), storageAlternateKey.getStorageName().toUpperCase()); Predicate createDateRestriction = builder.and( builder.greaterThanOrEqualTo(createdDate, dateRange.getLowerDate()), builder.lessThanOrEqualTo(createdDate, dateRange.getUpperDate())); criteria.multiselect(createdDate, totalFilesExpression, totalBytesExpression); criteria.where(builder.and(storageNameRestriction, createDateRestriction)); List<Expression<?>> grouping = new ArrayList<>(); grouping.add(createdDate); criteria.groupBy(grouping); criteria.orderBy(builder.asc(createdDate)); // Retrieve and return the storage upload statistics. List<Tuple> tuples = entityManager.createQuery(criteria).getResultList(); StorageDailyUploadStats uploadStats = new StorageDailyUploadStats(); for (Tuple tuple : tuples) { StorageDailyUploadStat uploadStat = new StorageDailyUploadStat(); uploadStats.getStorageDailyUploadStats().add(uploadStat); uploadStat.setUploadDate(HerdDateUtils.getXMLGregorianCalendarValue(tuple.get(createdDate))); uploadStat.setTotalFiles(tuple.get(totalFilesExpression)); uploadStat.setTotalBytes(tuple.get(totalBytesExpression)); } return uploadStats; } /** * TODO: Remove this method once we migrate away from Oracle getStorageUploadStats that uses Oracle specific 'trunc' function. * * @param storageAlternateKey the storage alternate key * @param dateRange the date range * * @return the upload statistics */ private StorageDailyUploadStats getStorageUploadStatsOracle(StorageAlternateKeyDto storageAlternateKey, DateRangeDto dateRange) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<Tuple> criteria = builder.createTupleQuery(); // The criteria root is the storage file. Root<StorageFileEntity> storageFileEntity = criteria.from(StorageFileEntity.class); // Join to the other tables we can filter on. Join<StorageFileEntity, StorageUnitEntity> storageUnitEntity = storageFileEntity .join(StorageFileEntity_.storageUnit); Join<StorageUnitEntity, StorageEntity> storageEntity = storageUnitEntity.join(StorageUnitEntity_.storage); // Create paths. Expression<Date> truncCreatedOnDateExpression = builder.function("trunc", Date.class, storageFileEntity.get(StorageFileEntity_.createdOn)); Expression<Long> totalFilesExpression = builder.count(storageFileEntity.get(StorageFileEntity_.id)); Expression<Long> totalBytesExpression = builder .sum(storageFileEntity.get(StorageFileEntity_.fileSizeBytes)); // Create the standard restrictions (i.e. the standard where clauses). Predicate storageNameRestriction = builder.equal(builder.upper(storageEntity.get(StorageEntity_.name)), storageAlternateKey.getStorageName().toUpperCase()); Predicate createDateRestriction = builder.and( builder.greaterThanOrEqualTo(truncCreatedOnDateExpression, dateRange.getLowerDate()), builder.lessThanOrEqualTo(truncCreatedOnDateExpression, dateRange.getUpperDate())); criteria.multiselect(truncCreatedOnDateExpression, totalFilesExpression, totalBytesExpression); criteria.where(builder.and(storageNameRestriction, createDateRestriction)); // Create the group by clause. List<Expression<?>> grouping = new ArrayList<>(); grouping.add(truncCreatedOnDateExpression); criteria.groupBy(grouping); // Create the order by clause. criteria.orderBy(builder.asc(truncCreatedOnDateExpression)); // Retrieve and return the storage upload statistics. List<Tuple> tuples = entityManager.createQuery(criteria).getResultList(); StorageDailyUploadStats uploadStats = new StorageDailyUploadStats(); for (Tuple tuple : tuples) { StorageDailyUploadStat uploadStat = new StorageDailyUploadStat(); uploadStats.getStorageDailyUploadStats().add(uploadStat); uploadStat.setUploadDate( HerdDateUtils.getXMLGregorianCalendarValue(tuple.get(truncCreatedOnDateExpression))); uploadStat.setTotalFiles(tuple.get(totalFilesExpression)); uploadStat.setTotalBytes(tuple.get(totalBytesExpression)); } return uploadStats; } /** * {@inheritDoc} */ @Override public StorageBusinessObjectDefinitionDailyUploadStats getStorageUploadStatsByBusinessObjectDefinition( StorageAlternateKeyDto storageAlternateKey, DateRangeDto dateRange) { // TODO: Remove Oracle specific code once we migrate away from Oracle. switch (Database.valueOf(configurationHelper.getProperty(ConfigurationValue.DATABASE_TYPE))) { case ORACLE: return getStorageUploadStatsByBusinessObjectDefinitionOracle(storageAlternateKey, dateRange); default: return getStorageUploadStatsByBusinessObjectDefinitionDatabaseAgnostic(storageAlternateKey, dateRange); } } /** * TODO: Make this method the main body of getStorageUploadStatsByBusinessObjectDefinition once we migrate away from Oracle TODO: * getStorageUploadStatsByBusinessObjectDefinition that uses storage file view. This method is meant to be database agnostic. * * @param storageAlternateKey the storage alternate key * @param dateRange the date range * * @return the upload statistics */ private StorageBusinessObjectDefinitionDailyUploadStats getStorageUploadStatsByBusinessObjectDefinitionDatabaseAgnostic( StorageAlternateKeyDto storageAlternateKey, DateRangeDto dateRange) { CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<Tuple> criteria = builder.createTupleQuery(); Root<StorageFileViewEntity> storageFileViewEntity = criteria.from(StorageFileViewEntity.class); Path<String> namespaceCode = storageFileViewEntity.get(StorageFileViewEntity_.namespaceCode); Path<String> dataProviderCode = storageFileViewEntity.get(StorageFileViewEntity_.dataProviderCode); Path<String> businessObjectDefinitionName = storageFileViewEntity .get(StorageFileViewEntity_.businessObjectDefinitionName); Path<Date> createdDate = storageFileViewEntity.get(StorageFileViewEntity_.createdDate); Expression<Long> totalFilesExpression = builder .count(storageFileViewEntity.get(StorageFileViewEntity_.storageFileId)); Expression<Long> totalBytesExpression = builder .sum(storageFileViewEntity.get(StorageFileViewEntity_.fileSizeInBytes)); Predicate storageNameRestriction = builder.equal( builder.upper(storageFileViewEntity.get(StorageFileViewEntity_.storageCode)), storageAlternateKey.getStorageName().toUpperCase()); Predicate createDateRestriction = builder.and( builder.greaterThanOrEqualTo(createdDate, dateRange.getLowerDate()), builder.lessThanOrEqualTo(createdDate, dateRange.getUpperDate())); criteria.multiselect(createdDate, namespaceCode, dataProviderCode, businessObjectDefinitionName, totalFilesExpression, totalBytesExpression); criteria.where(builder.and(storageNameRestriction, createDateRestriction)); // Create the group by clause. List<Expression<?>> grouping = new ArrayList<>(); grouping.add(createdDate); grouping.add(namespaceCode); grouping.add(dataProviderCode); grouping.add(businessObjectDefinitionName); criteria.groupBy(grouping); // Create the order by clause. criteria.orderBy(builder.asc(createdDate), builder.asc(namespaceCode), builder.asc(dataProviderCode), builder.asc(businessObjectDefinitionName)); // Retrieve and return the storage upload statistics. List<Tuple> tuples = entityManager.createQuery(criteria).getResultList(); StorageBusinessObjectDefinitionDailyUploadStats uploadStats = new StorageBusinessObjectDefinitionDailyUploadStats(); for (Tuple tuple : tuples) { StorageBusinessObjectDefinitionDailyUploadStat uploadStat = new StorageBusinessObjectDefinitionDailyUploadStat(); uploadStats.getStorageBusinessObjectDefinitionDailyUploadStats().add(uploadStat); uploadStat.setUploadDate(HerdDateUtils.getXMLGregorianCalendarValue(tuple.get(createdDate))); uploadStat.setNamespace(tuple.get(namespaceCode)); uploadStat.setDataProviderName(tuple.get(dataProviderCode)); uploadStat.setBusinessObjectDefinitionName(tuple.get(businessObjectDefinitionName)); uploadStat.setTotalFiles(tuple.get(totalFilesExpression)); uploadStat.setTotalBytes(tuple.get(totalBytesExpression)); } return uploadStats; } /** * TODO: Remove this method once we migrate away from Oracle getStorageUploadStatsByBusinessObjectDefinition that uses Oracle specific 'trunc' function. * * @param storageAlternateKey the storage alternate key * @param dateRange the date range * * @return the upload statistics */ private StorageBusinessObjectDefinitionDailyUploadStats getStorageUploadStatsByBusinessObjectDefinitionOracle( StorageAlternateKeyDto storageAlternateKey, DateRangeDto dateRange) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<Tuple> criteria = builder.createTupleQuery(); // The criteria root is the storage file. Root<StorageFileEntity> storageFileEntity = criteria.from(StorageFileEntity.class); // Join to the other tables we can filter on. Join<StorageFileEntity, StorageUnitEntity> storageUnitEntity = storageFileEntity .join(StorageFileEntity_.storageUnit); Join<StorageUnitEntity, StorageEntity> storageEntity = storageUnitEntity.join(StorageUnitEntity_.storage); Join<StorageUnitEntity, BusinessObjectDataEntity> businessObjectDataEntity = storageUnitEntity .join(StorageUnitEntity_.businessObjectData); Join<BusinessObjectDataEntity, BusinessObjectFormatEntity> businessObjectFormatEntity = businessObjectDataEntity .join(BusinessObjectDataEntity_.businessObjectFormat); Join<BusinessObjectFormatEntity, BusinessObjectDefinitionEntity> businessObjectDefinitionEntity = businessObjectFormatEntity .join(BusinessObjectFormatEntity_.businessObjectDefinition); Join<BusinessObjectDefinitionEntity, DataProviderEntity> dataProviderEntity = businessObjectDefinitionEntity .join(BusinessObjectDefinitionEntity_.dataProvider); Join<BusinessObjectDefinitionEntity, NamespaceEntity> namespaceEntity = businessObjectDefinitionEntity .join(BusinessObjectDefinitionEntity_.namespace); // Create paths and expressions. Path<String> namespacePath = namespaceEntity.get(NamespaceEntity_.code); Path<String> dataProviderNamePath = dataProviderEntity.get(DataProviderEntity_.name); Path<String> businessObjectDefinitionNamePath = businessObjectDefinitionEntity .get(BusinessObjectDefinitionEntity_.name); Expression<Date> truncCreatedOnDateExpression = builder.function("trunc", Date.class, storageFileEntity.get(StorageFileEntity_.createdOn)); Expression<Long> totalFilesExpression = builder.count(storageFileEntity.get(StorageFileEntity_.id)); Expression<Long> totalBytesExpression = builder .sum(storageFileEntity.get(StorageFileEntity_.fileSizeBytes)); // Create the standard restrictions (i.e. the standard where clauses). Predicate storageNameRestriction = builder.equal(builder.upper(storageEntity.get(StorageEntity_.name)), storageAlternateKey.getStorageName().toUpperCase()); Predicate createDateRestriction = builder.and( builder.greaterThanOrEqualTo(truncCreatedOnDateExpression, dateRange.getLowerDate()), builder.lessThanOrEqualTo(truncCreatedOnDateExpression, dateRange.getUpperDate())); criteria.multiselect(truncCreatedOnDateExpression, namespacePath, dataProviderNamePath, businessObjectDefinitionNamePath, totalFilesExpression, totalBytesExpression); criteria.where(builder.and(storageNameRestriction, createDateRestriction)); // Create the group by clause. List<Expression<?>> grouping = new ArrayList<>(); grouping.add(truncCreatedOnDateExpression); grouping.add(namespacePath); grouping.add(dataProviderNamePath); grouping.add(businessObjectDefinitionNamePath); criteria.groupBy(grouping); // Create the order by clause. criteria.orderBy(builder.asc(truncCreatedOnDateExpression), builder.asc(namespacePath), builder.asc(dataProviderNamePath), builder.asc(businessObjectDefinitionNamePath)); // Retrieve and return the storage upload statistics. List<Tuple> tuples = entityManager.createQuery(criteria).getResultList(); StorageBusinessObjectDefinitionDailyUploadStats uploadStats = new StorageBusinessObjectDefinitionDailyUploadStats(); for (Tuple tuple : tuples) { StorageBusinessObjectDefinitionDailyUploadStat uploadStat = new StorageBusinessObjectDefinitionDailyUploadStat(); uploadStats.getStorageBusinessObjectDefinitionDailyUploadStats().add(uploadStat); uploadStat.setUploadDate( HerdDateUtils.getXMLGregorianCalendarValue(tuple.get(truncCreatedOnDateExpression))); uploadStat.setNamespace(tuple.get(namespacePath)); uploadStat.setDataProviderName(tuple.get(dataProviderNamePath)); uploadStat.setBusinessObjectDefinitionName(tuple.get(businessObjectDefinitionNamePath)); uploadStat.setTotalFiles(tuple.get(totalFilesExpression)); uploadStat.setTotalBytes(tuple.get(totalBytesExpression)); } return uploadStats; } // JobDefinition /** * {@inheritDoc} */ @Override public JobDefinitionEntity getJobDefinitionByAltKey(String namespace, String jobName) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<JobDefinitionEntity> criteria = builder.createQuery(JobDefinitionEntity.class); // The criteria root is the job definition. Root<JobDefinitionEntity> jobDefinition = criteria.from(JobDefinitionEntity.class); // Join to the other tables we can filter on. Join<JobDefinitionEntity, NamespaceEntity> namespaceJoin = jobDefinition .join(JobDefinitionEntity_.namespace); // Create the standard restrictions (i.e. the standard where clauses). Predicate namespaceRestriction = builder.equal(builder.upper(namespaceJoin.get(NamespaceEntity_.code)), namespace.toUpperCase()); Predicate jobNameRestriction = builder.equal(builder.upper(jobDefinition.get(JobDefinitionEntity_.name)), jobName.toUpperCase()); criteria.select(jobDefinition).where(builder.and(namespaceRestriction, jobNameRestriction)); return executeSingleResultQuery(criteria, String.format( "Found more than one Activiti job definition with parameters {namespace=\"%s\", jobName=\"%s\"}.", namespace, jobName)); } @Override public List<JobDefinitionEntity> getJobDefinitionsByFilter(String namespace, String jobName) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<JobDefinitionEntity> criteria = builder.createQuery(JobDefinitionEntity.class); // The criteria root is the job definition. Root<JobDefinitionEntity> jobDefinition = criteria.from(JobDefinitionEntity.class); // Join to the other tables we can filter on. Join<JobDefinitionEntity, NamespaceEntity> namespaceJoin = jobDefinition .join(JobDefinitionEntity_.namespace); List<Predicate> predicates = new ArrayList<>(); // Create the restrictions (i.e. the where clauses). if (StringUtils.isNotBlank(namespace)) { predicates.add(builder.equal(builder.upper(namespaceJoin.get(NamespaceEntity_.code)), namespace.toUpperCase())); } if (StringUtils.isNotBlank(jobName)) { predicates.add(builder.equal(builder.upper(jobDefinition.get(JobDefinitionEntity_.name)), jobName.toUpperCase())); } criteria.select(jobDefinition); if (predicates.size() > 0) { criteria.where(builder.and(predicates.toArray(new Predicate[predicates.size()]))); } return entityManager.createQuery(criteria).getResultList(); } // EmrClusterDefinition /** * {@inheritDoc} */ @Override public EmrClusterDefinitionEntity getEmrClusterDefinitionByAltKey( EmrClusterDefinitionKey emrClusterDefinitionKey) { return getEmrClusterDefinitionByAltKey(emrClusterDefinitionKey.getNamespace(), emrClusterDefinitionKey.getEmrClusterDefinitionName()); } /** * {@inheritDoc} */ @Override public EmrClusterDefinitionEntity getEmrClusterDefinitionByAltKey(String namespaceCd, String definitionName) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<EmrClusterDefinitionEntity> criteria = builder.createQuery(EmrClusterDefinitionEntity.class); // The criteria root is the EMR cluster definition. Root<EmrClusterDefinitionEntity> emrClusterDefinition = criteria.from(EmrClusterDefinitionEntity.class); // Join to the other tables we can filter on. Join<EmrClusterDefinitionEntity, NamespaceEntity> namespace = emrClusterDefinition .join(EmrClusterDefinitionEntity_.namespace); // Create the standard restrictions (i.e. the standard where clauses). Predicate namespaceRestriction = builder.equal(builder.upper(namespace.get(NamespaceEntity_.code)), namespaceCd.toUpperCase()); Predicate definitionNameRestriction = builder.equal( builder.upper(emrClusterDefinition.get(EmrClusterDefinitionEntity_.name)), definitionName.toUpperCase()); criteria.select(emrClusterDefinition).where(builder.and(namespaceRestriction, definitionNameRestriction)); return executeSingleResultQuery(criteria, String.format( "Found more than one EMR cluster definition with parameters {namespace=\"%s\", clusterDefinitionName=\"%s\"}.", namespace, definitionName)); } // NotificationEvent /** * {@inheritDoc} */ @Override public NotificationEventTypeEntity getNotificationEventTypeByCode(String code) { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<NotificationEventTypeEntity> criteria = builder .createQuery(NotificationEventTypeEntity.class); // The criteria root is the notification event type. Root<NotificationEventTypeEntity> notificationEventTypeEntity = criteria .from(NotificationEventTypeEntity.class); // Create the standard restrictions (i.e. the standard where clauses). Predicate queryRestriction = builder.equal( builder.upper(notificationEventTypeEntity.get(NotificationEventTypeEntity_.code)), code.toUpperCase()); criteria.select(notificationEventTypeEntity).where(queryRestriction); return executeSingleResultQuery(criteria, String.format("Found more than one notification event type with code \"%s\".", code)); } // SecurityFunction /** * {@inheritDoc} */ @Override @Cacheable(DaoSpringModuleConfig.HERD_CACHE_NAME) public List<String> getSecurityFunctionsForRole(String roleCd) { // Create the criteria builder and a tuple style criteria query. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); // CriteriaQuery<Tuple> criteria = builder.createTupleQuery(); CriteriaQuery<String> criteria = builder.createQuery(String.class); // The criteria root is the business object definition. Root<SecurityRoleFunctionEntity> securityRoleFunctionEntity = criteria .from(SecurityRoleFunctionEntity.class); // Join to the other tables we can filter on. Join<SecurityRoleFunctionEntity, SecurityRoleEntity> securityRoleEntity = securityRoleFunctionEntity .join(SecurityRoleFunctionEntity_.securityRole); Join<SecurityRoleFunctionEntity, SecurityFunctionEntity> securityFunctionEntity = securityRoleFunctionEntity .join(SecurityRoleFunctionEntity_.securityFunction); // Get the columns. Path<String> functionCodeColumn = securityFunctionEntity.get(SecurityFunctionEntity_.code); // Add the select clause. criteria.select(functionCodeColumn); criteria.where(builder.equal(builder.upper(securityRoleEntity.get(SecurityRoleEntity_.code)), roleCd.toUpperCase())); // Add the order by clause. criteria.orderBy(builder.asc(functionCodeColumn)); // Run the query to get a list of tuples back. return entityManager.createQuery(criteria).getResultList(); } /** * {@inheritDoc} */ @Override @Cacheable(DaoSpringModuleConfig.HERD_CACHE_NAME) public List<String> getSecurityFunctions() { // Create the criteria builder and a tuple style criteria query. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<String> criteria = builder.createQuery(String.class); // The criteria root is the business object definition. Root<SecurityFunctionEntity> securityFunctionEntity = criteria.from(SecurityFunctionEntity.class); // Get the columns. Path<String> functionCodeColumn = securityFunctionEntity.get(SecurityFunctionEntity_.code); // Add the select clause. criteria.select(functionCodeColumn); // Add the order by clause. criteria.orderBy(builder.asc(functionCodeColumn)); // Run the query to get a list of tuples back. return entityManager.createQuery(criteria).getResultList(); } // JmsMessage /** * {@inheritDoc} */ @Override public JmsMessageEntity getOldestJmsMessage() { // Create the criteria builder and the criteria. CriteriaBuilder builder = entityManager.getCriteriaBuilder(); CriteriaQuery<JmsMessageEntity> criteria = builder.createQuery(JmsMessageEntity.class); // The criteria root is the jms message. Root<JmsMessageEntity> jmsMessageEntity = criteria.from(JmsMessageEntity.class); // Add the select clause. criteria.select(jmsMessageEntity); // Add the order by clause, since we want to return only the oldest JMS message (a message with the smallest sequence generated id). criteria.orderBy(builder.asc(jmsMessageEntity.get(JmsMessageEntity_.id))); // Execute the query and ask it to return only the first row. List<JmsMessageEntity> resultList = entityManager.createQuery(criteria).setMaxResults(1).getResultList(); // Return the result. return resultList.size() > 0 ? resultList.get(0) : null; } // OnDemandPricing /** * {@inheritDoc} * <p/> * This implementation uses JPA criteria, and throws exception when more than 1 on-demand price is found for the specified parameters. */ @Override public OnDemandPriceEntity getOnDemandPrice(String region, String instanceType) { CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder(); CriteriaQuery<OnDemandPriceEntity> criteriaQuery = criteriaBuilder.createQuery(OnDemandPriceEntity.class); Root<OnDemandPriceEntity> onDemandPrice = criteriaQuery.from(OnDemandPriceEntity.class); Path<String> regionPath = onDemandPrice.get(OnDemandPriceEntity_.region); Path<String> instanceTypePath = onDemandPrice.get(OnDemandPriceEntity_.instanceType); Predicate regionEquals = criteriaBuilder.equal(regionPath, region); Predicate instanceTypeEquals = criteriaBuilder.equal(instanceTypePath, instanceType); criteriaQuery.select(onDemandPrice).where(regionEquals, instanceTypeEquals); return executeSingleResultQuery(criteriaQuery, "More than 1 on-demand price found with given region '" + region + "' and instance type '" + instanceType + "'."); } // Other methods /** * {@inheritDoc} * <p/> * This method overwrites the base class method by first updating an entity's audit fields if the entity is of type AuditableEntity. */ @Override public <T> T save(T entity) { updateAuditFields(entity); return super.save(entity); } /** * Updates the audit fields if the entity is of type AuditableEntity. * * @param entity the entity * @param <T> the type of entity */ @SuppressWarnings("rawtypes") private <T> void updateAuditFields(T entity) { if (entity instanceof AuditableEntity) { AuditableEntity auditableEntity = (AuditableEntity) entity; // Get the currently logged in username. String username = herdDaoSecurityHelper.getCurrentUsername(); // Always set the updated by field, but only set the created by field when it is null (i.e. this is a new record). if (auditableEntity.getCreatedBy() == null) { auditableEntity.setCreatedBy(username); } auditableEntity.setUpdatedBy(username); // Always set the updated on field to the current time, but only update the created on field when it is null (i.e. the first time). Timestamp currentTime = new Timestamp(System.currentTimeMillis()); auditableEntity.setUpdatedOn(currentTime); if (auditableEntity.getCreatedOn() == null) { auditableEntity.setCreatedOn(currentTime); } } // Try to update children one-to-many cascadable auditable entities. // Note that this assumes that OneToMany annotations are done on the field (as opposed to the method) and that all OneToMany fields are collections. // This approach also assumes that there are loops where children refer back to our entity (i.e. an infinite loop). // If there are other scenarios, we should modify this code to handle them. // Loop through all the fields of this entity. for (Field field : entity.getClass().getDeclaredFields()) { // Get all the annotations for the field. for (Annotation annotation : field.getDeclaredAnnotations()) { // Only look for OneToMany that cascade with "persist" or "merge". if (annotation instanceof OneToMany) { OneToMany oneToManyAnnotation = (OneToMany) annotation; List<CascadeType> cascadeTypes = new ArrayList<>(Arrays.asList(oneToManyAnnotation.cascade())); if ((cascadeTypes.contains(CascadeType.ALL)) || (cascadeTypes.contains(CascadeType.PERSIST)) || cascadeTypes.contains(CascadeType.MERGE)) { try { // Modify the accessibility to true so we can get the field (even if it's private) and get the value of the field for our entity. field.setAccessible(true); Object fieldValue = field.get(entity); // If the field is a collection (which OneToMany annotated fields should be), then iterate through the collection and look for // child auditable entities. if (fieldValue instanceof Collection) { Collection collection = (Collection) fieldValue; for (Object object : collection) { if (object instanceof AuditableEntity) { // We found a child auditable entity so recurse to update it's audit fields as well. updateAuditFields(object); } } } } catch (IllegalAccessException ex) { // Because we're setting accessible to true above, we shouldn't get here. throw new IllegalStateException("Unable to get field value for field \"" + field.getName() + "\" due to access restriction.", ex); } } } } } } /** * Gets a business object format key from the specified business object data key. * * @param businessObjectDataKey the business object data key * * @return the newly created business object format key */ private static BusinessObjectFormatKey getBusinessObjectFormatKey(BusinessObjectDataKey businessObjectDataKey) { return new BusinessObjectFormatKey(businessObjectDataKey.getNamespace(), businessObjectDataKey.getBusinessObjectDefinitionName(), businessObjectDataKey.getBusinessObjectFormatUsage(), businessObjectDataKey.getBusinessObjectFormatFileType(), businessObjectDataKey.getBusinessObjectFormatVersion()); } /** * Returns number of sub-partition values in the specified business object data key. * * @param businessObjectDataKey the business object data key * * @return the number of sub-partition values in the business object data key */ private static int getSubPartitionValuesCount(BusinessObjectDataKey businessObjectDataKey) { return businessObjectDataKey.getSubPartitionValues() == null ? 0 : businessObjectDataKey.getSubPartitionValues().size(); } }