Example usage for javax.persistence.criteria CriteriaBuilder asc

List of usage examples for javax.persistence.criteria CriteriaBuilder asc

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Introduction

In this page you can find the example usage for javax.persistence.criteria CriteriaBuilder asc.

Prototype

Order asc(Expression<?> x);

Source Link

Document

Create an ordering by the ascending value of the expression.

Usage

From source file:org.finra.herd.dao.impl.HerdDaoImpl.java

/**
 * 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//  w  w  w .  j a v a 2 s .  c om
 *
 * @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;
}

From source file:org.finra.herd.dao.impl.HerdDaoImpl.java

/**
 * 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//from  w  w  w.  j a v a  2 s  .co  m
 *
 * @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;
}

From source file:org.finra.herd.dao.impl.HerdDaoImpl.java

/**
 * 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/*from w w w  .  j  a va 2s.  c  om*/
 *
 * @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;
}

From source file:org.finra.herd.dao.impl.HerdDaoImpl.java

/**
 * {@inheritDoc}//from   ww  w  . j a  v  a2  s . co m
 */
@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();
}

From source file:org.finra.herd.dao.impl.HerdDaoImpl.java

/**
 * {@inheritDoc}/* www  . j a  va2s  . c  o m*/
 */
@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();
}

From source file:org.finra.herd.dao.impl.JobDefinitionDaoImpl.java

@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> jobDefinitionEntityRoot = criteria.from(JobDefinitionEntity.class);

    // Join to the other tables we can filter on.
    Join<JobDefinitionEntity, NamespaceEntity> namespaceEntityJoin = jobDefinitionEntityRoot
            .join(JobDefinitionEntity_.namespace);

    // Create the standard restrictions (i.e. the standard where clauses).
    List<Predicate> predicates = new ArrayList<>();
    if (StringUtils.isNotBlank(namespace)) {
        predicates.add(builder.equal(builder.upper(namespaceEntityJoin.get(NamespaceEntity_.code)),
                namespace.toUpperCase()));
    }//from  www.  j  a va  2  s.  c  o m
    if (StringUtils.isNotBlank(jobName)) {
        predicates.add(builder.equal(builder.upper(jobDefinitionEntityRoot.get(JobDefinitionEntity_.name)),
                jobName.toUpperCase()));
    }

    // Order the results by namespace and job name.
    List<Order> orderBy = new ArrayList<>();
    orderBy.add(builder.asc(namespaceEntityJoin.get(NamespaceEntity_.code)));
    orderBy.add(builder.asc(jobDefinitionEntityRoot.get(JobDefinitionEntity_.name)));

    // Add the clauses for the query.
    criteria.select(jobDefinitionEntityRoot)
            .where(builder.and(predicates.toArray(new Predicate[predicates.size()]))).orderBy(orderBy);

    // Execute the query and return the result list.
    return entityManager.createQuery(criteria).getResultList();
}

From source file:org.finra.herd.dao.impl.JobDefinitionDaoImpl.java

@Override
public List<JobDefinitionEntity> getJobDefinitionsByFilter(Collection<String> namespaces, 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> jobDefinitionEntityRoot = criteria.from(JobDefinitionEntity.class);

    // Join to the other tables we can filter on.
    Join<JobDefinitionEntity, NamespaceEntity> namespaceEntityJoin = jobDefinitionEntityRoot
            .join(JobDefinitionEntity_.namespace);

    // Create the standard restrictions (i.e. the standard where clauses).
    List<Predicate> predicates = new ArrayList<>();
    if (CollectionUtils.isNotEmpty(namespaces)) {
        predicates.add(namespaceEntityJoin.get(NamespaceEntity_.code).in(namespaces));
    }/*from   ww  w  . j  a  v a2 s  . c om*/
    if (StringUtils.isNotBlank(jobName)) {
        predicates.add(builder.equal(builder.upper(jobDefinitionEntityRoot.get(JobDefinitionEntity_.name)),
                jobName.toUpperCase()));
    }

    // Order the results by namespace and job name.
    List<Order> orderBy = new ArrayList<>();
    orderBy.add(builder.asc(namespaceEntityJoin.get(NamespaceEntity_.code)));
    orderBy.add(builder.asc(jobDefinitionEntityRoot.get(JobDefinitionEntity_.name)));

    // Add the clauses for the query.
    criteria.select(jobDefinitionEntityRoot)
            .where(builder.and(predicates.toArray(new Predicate[predicates.size()]))).orderBy(orderBy);

    // Execute the query and return the result list.
    return entityManager.createQuery(criteria).getResultList();
}

From source file:org.finra.herd.dao.impl.StorageFileDaoImpl.java

@Override
public List<String> 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());/*from  w  w w  . j  a  v  a  2  s. co  m*/

    // Order the results by file path.
    Order orderByFilePath = builder.asc(storageFileEntity.get(StorageFileEntity_.path));

    criteria.select(storageFileEntity).where(builder.and(filePathRestriction, storageNameRestriction))
            .orderBy(orderByFilePath);

    // Retrieve the storage files.
    List<StorageFileEntity> storageFileEntities = entityManager.createQuery(criteria).getResultList();

    // Build the result list.
    List<String> storageFilePaths = new ArrayList<>();
    for (StorageFileEntity storageFile : storageFileEntities) {
        storageFilePaths.add(storageFile.getPath());
    }

    return storageFilePaths;
}

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/*  ww  w .  j  av  a  2s  . c  om*/
            .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

@Override
public List<StorageUnitEntity> getS3StorageUnitsToCleanup(int maxResult) {
    // 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, StorageUnitStatusEntity> storageUnitStatusEntityJoin = storageUnitEntityRoot
            .join(StorageUnitEntity_.status);
    Join<StorageUnitEntity, BusinessObjectDataEntity> businessObjectDataEntityJoin = storageUnitEntityRoot
            .join(StorageUnitEntity_.businessObjectData);
    Join<BusinessObjectDataEntity, BusinessObjectDataStatusEntity> businessObjectDataStatusEntity = businessObjectDataEntityJoin
            .join(BusinessObjectDataEntity_.status);

    // Get the current time.
    Timestamp currentTime = new Timestamp(System.currentTimeMillis());

    // Create the standard restrictions (i.e. the standard where clauses).
    // Restrictions include:
    //      - Storage platform is set to S3 storage
    //      - Storage unit status is DISABLED
    //      - Associated BData has a DELETED status
    //      - Final destroy on timestamp < current time
    List<Predicate> predicates = new ArrayList<>();
    predicates.add(builder.equal(storagePlatformEntityJoin.get(StoragePlatformEntity_.name),
            StoragePlatformEntity.S3));//www  .  java2s  .co  m
    predicates.add(builder.equal(storageUnitStatusEntityJoin.get(StorageUnitStatusEntity_.code),
            StorageUnitStatusEntity.DISABLED));
    predicates.add(builder.equal(businessObjectDataStatusEntity.get(BusinessObjectDataStatusEntity_.code),
            BusinessObjectDataStatusEntity.DELETED));
    predicates.add(builder.lessThan(storageUnitEntityRoot.get(StorageUnitEntity_.finalDestroyOn), currentTime));

    // Order the results.
    Order orderBy = builder.asc(storageUnitEntityRoot.get(StorageUnitEntity_.finalDestroyOn));

    // 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).setMaxResults(maxResult).getResultList();
}