List of usage examples for javax.persistence.criteria CriteriaBuilder isTrue
Predicate isTrue(Expression<Boolean> x);
From source file:org.finra.herd.dao.impl.BusinessObjectFormatDaoImpl.java
@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))); }/* w w w. java2 s. c o m*/ 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())); }
From source file:org.finra.herd.dao.impl.HerdDaoImpl.java
/** * 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//from w w w . j a v a 2 s . c o m * @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; }
From source file:org.finra.herd.dao.impl.HerdDaoImpl.java
/** * Builds a sub-query to select the maximum business object data version. * * @param builder the criteria builder/*w ww . ja v a 2s .c o m*/ * @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; }
From source file:org.finra.herd.dao.impl.StorageUnitDaoImpl.java
@Override public List<StorageUnitEntity> getLatestVersionStorageUnitsByStoragePlatformAndFileType(String storagePlatform, String businessObjectFormatFileType) { // 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> storageUnitEntityRoot = criteria.from(StorageUnitEntity.class); // Join to the other tables we can filter on. Join<StorageUnitEntity, StorageEntity> storageEntityJoin = storageUnitEntityRoot .join(StorageUnitEntity_.storage); Join<StorageEntity, StoragePlatformEntity> storagePlatformEntityJoin = storageEntityJoin .join(StorageEntity_.storagePlatform); Join<StorageUnitEntity, BusinessObjectDataEntity> businessObjectDataEntityJoin = storageUnitEntityRoot .join(StorageUnitEntity_.businessObjectData); Join<BusinessObjectDataEntity, BusinessObjectFormatEntity> businessObjectFormatEntityJoin = businessObjectDataEntityJoin .join(BusinessObjectDataEntity_.businessObjectFormat); Join<BusinessObjectFormatEntity, FileTypeEntity> fileTypeEntityJoin = businessObjectFormatEntityJoin .join(BusinessObjectFormatEntity_.fileType); // Create the standard restrictions (i.e. the standard where clauses). List<Predicate> predicates = new ArrayList<>(); predicates.add(builder.equal(builder.upper(storagePlatformEntityJoin.get(StoragePlatformEntity_.name)), storagePlatform.toUpperCase())); predicates.add(builder.equal(builder.upper(fileTypeEntityJoin.get(FileTypeEntity_.code)), businessObjectFormatFileType.toUpperCase())); predicates/*from w ww. jav a 2 s.c o m*/ .add(builder.isTrue(businessObjectFormatEntityJoin.get(BusinessObjectFormatEntity_.latestVersion))); predicates.add(builder.isTrue(businessObjectDataEntityJoin.get(BusinessObjectDataEntity_.latestVersion))); // Order by storage unit created on timestamp. Order orderBy = builder.asc(storageUnitEntityRoot.get(StorageUnitEntity_.createdOn)); // Add the clauses for the query. criteria.select(storageUnitEntityRoot) .where(builder.and(predicates.toArray(new Predicate[predicates.size()]))).orderBy(orderBy); // Execute the query and return the results. return entityManager.createQuery(criteria).getResultList(); }
From source file:org.finra.herd.dao.impl.StorageUnitDaoImpl.java
/** * Builds a sub-query to select the maximum business object data version. * * @param builder the criteria builder//from w ww. ja v a2 s. com * @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 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 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, List<String> storageNames, String storagePlatformType, String excludedStoragePlatformType, 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<StorageEntity, StoragePlatformEntity> subStoragePlatformEntity = subStorageEntity .join(StorageEntity_.storagePlatform); 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, getQueryRestrictionOnStorage(builder, subStorageEntity, subStoragePlatformEntity, storageNames, storagePlatformType, excludedStoragePlatformType)); // 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; }
From source file:org.finra.herd.dao.impl.StorageUnitDaoImpl.java
/** * Retrieves a list of storage unit availability DTOs 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//w ww.j a va 2 s . com * @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 storage names is not empty * @param excludedStoragePlatformType the optional storage platform type to be excluded from search. It is ignored when the list of storage names 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 availability DTOs sorted by partition values */ private List<StorageUnitAvailabilityDto> getStorageUnitsByPartitionFilters( 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<BusinessObjectDefinitionEntity, NamespaceEntity> namespaceEntity = businessObjectDefinitionEntity .join(BusinessObjectDefinitionEntity_.namespace); 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, namespaceEntity, 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, storageNames, storagePlatformType, excludedStoragePlatformType, 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, storageNames, storagePlatformType, excludedStoragePlatformType, selectOnlyAvailableStorageUnits); mainQueryRestriction = builder.and(mainQueryRestriction, builder.in(businessObjectDataEntity.get(BusinessObjectDataEntity_.version)).value(subQuery)); } // If specified, add restriction on storage. mainQueryRestriction = builder.and(mainQueryRestriction, getQueryRestrictionOnStorage(builder, storageEntity, storagePlatformEntity, storageNames, storagePlatformType, 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))); // Get the columns. Path<Integer> storageUnitIdColumn = storageUnitEntity.get(StorageUnitEntity_.id); Path<String> namespaceCodeColumn = namespaceEntity.get(NamespaceEntity_.code); Path<String> businessObjectDefinitionNameColumn = businessObjectDefinitionEntity .get(BusinessObjectDefinitionEntity_.name); Path<String> businessObjectFormatUsageColumn = businessObjectFormatEntity .get(BusinessObjectFormatEntity_.usage); Path<String> fileTypeColumn = fileTypeEntity.get(FileTypeEntity_.code); Path<Integer> businessObjectFormatVersionColumn = businessObjectFormatEntity .get(BusinessObjectFormatEntity_.businessObjectFormatVersion); Path<String> primaryPartitionValueColumn = businessObjectDataEntity .get(BusinessObjectDataEntity_.partitionValue); Path<String> subPartitionValue1Column = businessObjectDataEntity .get(BusinessObjectDataEntity_.partitionValue2); Path<String> subPartitionValue2Column = businessObjectDataEntity .get(BusinessObjectDataEntity_.partitionValue3); Path<String> subPartitionValue3Column = businessObjectDataEntity .get(BusinessObjectDataEntity_.partitionValue4); Path<String> subPartitionValue4Column = businessObjectDataEntity .get(BusinessObjectDataEntity_.partitionValue5); Path<Integer> businessObjectDataVersionColumn = businessObjectDataEntity .get(BusinessObjectDataEntity_.version); Path<String> storageNameColumn = storageEntity.get(StorageEntity_.name); Path<String> storageUnitDirectoryPathColumn = storageUnitEntity.get(StorageUnitEntity_.directoryPath); Path<String> businessObjectDataStatusColumn = businessObjectDataEntity .get(BusinessObjectDataEntity_.statusCode); Path<String> storageUnitStatusColumn = storageUnitEntity.get(StorageUnitEntity_.statusCode); Path<Boolean> storageUnitAvailableColumn = storageUnitStatusEntity.get(StorageUnitStatusEntity_.available); // Add the clauses for the query. criteria.multiselect(storageUnitIdColumn, namespaceCodeColumn, businessObjectDefinitionNameColumn, businessObjectFormatUsageColumn, fileTypeColumn, businessObjectFormatVersionColumn, primaryPartitionValueColumn, subPartitionValue1Column, subPartitionValue2Column, subPartitionValue3Column, subPartitionValue4Column, businessObjectDataVersionColumn, storageNameColumn, storageUnitDirectoryPathColumn, businessObjectDataStatusColumn, storageUnitStatusColumn, storageUnitAvailableColumn).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 availability DTOs to return. List<StorageUnitAvailabilityDto> storageUnitAvailabilityDtos = new ArrayList<>(); for (Tuple tuple : tuples) { storageUnitAvailabilityDtos.add(new StorageUnitAvailabilityDto(tuple.get(storageUnitIdColumn), new BusinessObjectDataKey(tuple.get(namespaceCodeColumn), tuple.get(businessObjectDefinitionNameColumn), tuple.get(businessObjectFormatUsageColumn), tuple.get(fileTypeColumn), tuple.get(businessObjectFormatVersionColumn), tuple.get(primaryPartitionValueColumn), getSubPartitionValuesFromRawSubPartitionValues(Arrays.asList( tuple.get(subPartitionValue1Column), tuple.get(subPartitionValue2Column), tuple.get(subPartitionValue3Column), tuple.get(subPartitionValue4Column))), tuple.get(businessObjectDataVersionColumn)), tuple.get(storageNameColumn), tuple.get(storageUnitDirectoryPathColumn), tuple.get(businessObjectDataStatusColumn), tuple.get(storageUnitStatusColumn), tuple.get(storageUnitAvailableColumn))); } return storageUnitAvailabilityDtos; }