Examples with FileTypeEntity org.finra.herd.model.jpa.FileTypeEntity used on opensource projects

Example 21 with FileTypeEntity

use of org.finra.herd.model.jpa.FileTypeEntity in project herd by FINRAOS.

the class StorageUnitDaoImpl method getMaximumBusinessObjectFormatVersionSubQuery.

/**
 * 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 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;
}

Example 22 with FileTypeEntity

use of org.finra.herd.model.jpa.FileTypeEntity in project herd by FINRAOS.

the class StorageUnitNotificationRegistrationDaoImpl method getStorageUnitNotificationRegistrations.

@Override
public List<StorageUnitNotificationRegistrationEntity> getStorageUnitNotificationRegistrations(String notificationEventTypeCode, BusinessObjectDataKey businessObjectDataKey, String storageName, String newStorageUnitStatus, String oldStorageUnitStatus, String notificationRegistrationStatus) {
    // Create the criteria builder and the criteria.
    CriteriaBuilder builder = entityManager.getCriteriaBuilder();
    CriteriaQuery<StorageUnitNotificationRegistrationEntity> criteria = builder.createQuery(StorageUnitNotificationRegistrationEntity.class);
    // The criteria root is the storage unit notification registration entity.
    Root<StorageUnitNotificationRegistrationEntity> storageUnitNotificationRegistrationEntityRoot = criteria.from(StorageUnitNotificationRegistrationEntity.class);
    // Join to the other tables we can filter on.
    Join<StorageUnitNotificationRegistrationEntity, NamespaceEntity> namespaceEntityJoin = storageUnitNotificationRegistrationEntityRoot.join(StorageUnitNotificationRegistrationEntity_.namespace);
    Join<StorageUnitNotificationRegistrationEntity, NotificationEventTypeEntity> notificationEventTypeEntityJoin = storageUnitNotificationRegistrationEntityRoot.join(StorageUnitNotificationRegistrationEntity_.notificationEventType);
    Join<StorageUnitNotificationRegistrationEntity, BusinessObjectDefinitionEntity> businessObjectDefinitionEntityJoin = storageUnitNotificationRegistrationEntityRoot.join(StorageUnitNotificationRegistrationEntity_.businessObjectDefinition);
    Join<BusinessObjectDefinitionEntity, NamespaceEntity> businessObjectDefinitionNamespaceEntityJoin = businessObjectDefinitionEntityJoin.join(BusinessObjectDefinitionEntity_.namespace);
    Join<StorageUnitNotificationRegistrationEntity, StorageEntity> storageEntityJoin = storageUnitNotificationRegistrationEntityRoot.join(StorageUnitNotificationRegistrationEntity_.storage);
    Join<StorageUnitNotificationRegistrationEntity, FileTypeEntity> fileTypeEntityJoin = storageUnitNotificationRegistrationEntityRoot.join(StorageUnitNotificationRegistrationEntity_.fileType, JoinType.LEFT);
    Join<StorageUnitNotificationRegistrationEntity, StorageUnitStatusEntity> newStorageUnitStatusEntityJoin = storageUnitNotificationRegistrationEntityRoot.join(StorageUnitNotificationRegistrationEntity_.newStorageUnitStatus, JoinType.LEFT);
    Join<StorageUnitNotificationRegistrationEntity, StorageUnitStatusEntity> oldStorageUnitStatusEntityJoin = storageUnitNotificationRegistrationEntityRoot.join(StorageUnitNotificationRegistrationEntity_.oldStorageUnitStatus, JoinType.LEFT);
    Join<StorageUnitNotificationRegistrationEntity, NotificationRegistrationStatusEntity> notificationRegistrationStatusEntityJoin = storageUnitNotificationRegistrationEntityRoot.join(StorageUnitNotificationRegistrationEntity_.notificationRegistrationStatus);
    // Create the standard restrictions (i.e. the standard where clauses).
    List<Predicate> predicates = new ArrayList<>();
    predicates.add(builder.equal(builder.upper(notificationEventTypeEntityJoin.get(NotificationEventTypeEntity_.code)), notificationEventTypeCode.toUpperCase()));
    predicates.add(builder.equal(builder.upper(businessObjectDefinitionNamespaceEntityJoin.get(NamespaceEntity_.code)), businessObjectDataKey.getNamespace().toUpperCase()));
    predicates.add(builder.equal(builder.upper(businessObjectDefinitionEntityJoin.get(BusinessObjectDefinitionEntity_.name)), businessObjectDataKey.getBusinessObjectDefinitionName().toUpperCase()));
    predicates.add(builder.equal(builder.upper(storageEntityJoin.get(StorageEntity_.name)), storageName.toUpperCase()));
    predicates.add(builder.or(builder.isNull(storageUnitNotificationRegistrationEntityRoot.get(StorageUnitNotificationRegistrationEntity_.usage)), builder.equal(builder.upper(storageUnitNotificationRegistrationEntityRoot.get(StorageUnitNotificationRegistrationEntity_.usage)), businessObjectDataKey.getBusinessObjectFormatUsage().toUpperCase())));
    predicates.add(builder.or(builder.isNull(storageUnitNotificationRegistrationEntityRoot.get(StorageUnitNotificationRegistrationEntity_.fileType)), builder.equal(builder.upper(fileTypeEntityJoin.get(FileTypeEntity_.code)), businessObjectDataKey.getBusinessObjectFormatFileType().toUpperCase())));
    predicates.add(builder.or(builder.isNull(storageUnitNotificationRegistrationEntityRoot.get(StorageUnitNotificationRegistrationEntity_.businessObjectFormatVersion)), builder.equal(storageUnitNotificationRegistrationEntityRoot.get(StorageUnitNotificationRegistrationEntity_.businessObjectFormatVersion), businessObjectDataKey.getBusinessObjectFormatVersion())));
    predicates.add(builder.or(builder.isNull(storageUnitNotificationRegistrationEntityRoot.get(StorageUnitNotificationRegistrationEntity_.newStorageUnitStatus)), builder.equal(builder.upper(newStorageUnitStatusEntityJoin.get(StorageUnitStatusEntity_.code)), newStorageUnitStatus.toUpperCase())));
    // Please note that old business object data status parameter value is null for a business object data registration event.
    predicates.add(builder.or(builder.isNull(storageUnitNotificationRegistrationEntityRoot.get(StorageUnitNotificationRegistrationEntity_.oldStorageUnitStatus)), builder.equal(builder.upper(oldStorageUnitStatusEntityJoin.get(StorageUnitStatusEntity_.code)), oldStorageUnitStatus == null ? null : oldStorageUnitStatus.toUpperCase())));
    predicates.add(builder.equal(builder.upper(notificationRegistrationStatusEntityJoin.get(NotificationRegistrationStatusEntity_.code)), notificationRegistrationStatus.toUpperCase()));
    // Order the results by namespace and notification name.
    List<Order> orderBy = new ArrayList<>();
    orderBy.add(builder.asc(namespaceEntityJoin.get(NamespaceEntity_.code)));
    orderBy.add(builder.asc(storageUnitNotificationRegistrationEntityRoot.get(StorageUnitNotificationRegistrationEntity_.name)));
    // Add the clauses for the query.
    criteria.select(storageUnitNotificationRegistrationEntityRoot).where(builder.and(predicates.toArray(new Predicate[predicates.size()]))).orderBy(orderBy);
    // Execute the query and return the results.
    return entityManager.createQuery(criteria).getResultList();
}

Example 23 with FileTypeEntity

use of org.finra.herd.model.jpa.FileTypeEntity in project herd by FINRAOS.

the class BusinessObjectFormatDaoTestHelper method createBusinessObjectFormatEntity.

/**
 * Creates and persists a new business object format entity.
 *
 * @return the newly created business object format entity.
 */
public BusinessObjectFormatEntity createBusinessObjectFormatEntity(String namespaceCode, String businessObjectDefinitionName, String businessObjectFormatUsage, String fileType, Integer businessObjectFormatVersion, String businessObjectFormatDescription, Boolean businessObjectFormatLatestVersion, String businessObjectFormatPartitionKey, String partitionKeyGroupName, List<Attribute> attributes, String schemaDelimiterCharacter, String schemaEscapeCharacter, String schemaNullValue, List<SchemaColumn> schemaColumns, List<SchemaColumn> partitionColumns) {
    // Create a business object definition entity if it does not exist.
    BusinessObjectDefinitionEntity businessObjectDefinitionEntity = businessObjectDefinitionDao.getBusinessObjectDefinitionByKey(new BusinessObjectDefinitionKey(namespaceCode, businessObjectDefinitionName));
    if (businessObjectDefinitionEntity == null) {
        businessObjectDefinitionEntity = businessObjectDefinitionDaoTestHelper.createBusinessObjectDefinitionEntity(namespaceCode, businessObjectDefinitionName, AbstractDaoTest.DATA_PROVIDER_NAME, null);
    }
    // Create a business object format file type entity if it does not exist.
    FileTypeEntity fileTypeEntity = fileTypeDao.getFileTypeByCode(fileType);
    if (fileTypeEntity == null) {
        fileTypeEntity = fileTypeDaoTestHelper.createFileTypeEntity(fileType, null);
    }
    // If partition key group was specified, check if we need to create an entity for it first.
    PartitionKeyGroupEntity partitionKeyGroupEntity = null;
    if (StringUtils.isNotBlank(partitionKeyGroupName)) {
        partitionKeyGroupEntity = partitionKeyGroupDao.getPartitionKeyGroupByName(partitionKeyGroupName);
        if (partitionKeyGroupEntity == null) {
            partitionKeyGroupEntity = partitionKeyGroupDaoTestHelper.createPartitionKeyGroupEntity(partitionKeyGroupName);
        }
    }
    return createBusinessObjectFormatEntity(businessObjectDefinitionEntity, businessObjectFormatUsage, fileTypeEntity, businessObjectFormatVersion, businessObjectFormatDescription, businessObjectFormatLatestVersion, businessObjectFormatPartitionKey, partitionKeyGroupEntity, attributes, schemaDelimiterCharacter, schemaEscapeCharacter, schemaNullValue, schemaColumns, partitionColumns);
}

Example 24 with FileTypeEntity

use of org.finra.herd.model.jpa.FileTypeEntity in project herd by FINRAOS.

the class BusinessObjectDataDaoTest method createBusinessObjectEntityForPartitionValueFilterTest.

private BusinessObjectDataEntity createBusinessObjectEntityForPartitionValueFilterTest() {
    List<SchemaColumn> schemaColumns = new ArrayList<>();
    {
        SchemaColumn schemaColumn = new SchemaColumn();
        schemaColumn.setName(PARTITION_KEY);
        schemaColumn.setType("STRING");
        schemaColumns.add(schemaColumn);
    }
    {
        SchemaColumn schemaColumn = new SchemaColumn();
        schemaColumn.setName(PARTITION_KEY + "1");
        schemaColumn.setType("STRING");
        schemaColumns.add(schemaColumn);
    }
    {
        SchemaColumn schemaColumn = new SchemaColumn();
        schemaColumn.setName(PARTITION_KEY + "2");
        schemaColumn.setType("STRING");
        schemaColumns.add(schemaColumn);
    }
    {
        SchemaColumn schemaColumn = new SchemaColumn();
        schemaColumn.setName(PARTITION_KEY + "3");
        schemaColumn.setType("STRING");
        schemaColumns.add(schemaColumn);
    }
    {
        SchemaColumn schemaColumn = new SchemaColumn();
        schemaColumn.setName(PARTITION_KEY + "4");
        schemaColumn.setType("STRING");
        schemaColumns.add(schemaColumn);
    }
    NamespaceEntity namespaceEntity = super.namespaceDaoTestHelper.createNamespaceEntity(NAMESPACE);
    DataProviderEntity dataProviderEntity = super.dataProviderDaoTestHelper.createDataProviderEntity(DATA_PROVIDER_NAME);
    BusinessObjectDefinitionEntity businessObjectDefinitionEntity = super.businessObjectDefinitionDaoTestHelper.createBusinessObjectDefinitionEntity(namespaceEntity, BDEF_NAME, dataProviderEntity, NO_BDEF_DESCRIPTION, NO_BDEF_DISPLAY_NAME, NO_ATTRIBUTES, NO_SAMPLE_DATA_FILES);
    FileTypeEntity fileTypeEntity = super.fileTypeDaoTestHelper.createFileTypeEntity(FORMAT_FILE_TYPE_CODE, FORMAT_DESCRIPTION);
    BusinessObjectFormatEntity businessObjectFormatEntity = super.businessObjectFormatDaoTestHelper.createBusinessObjectFormatEntity(businessObjectDefinitionEntity, FORMAT_USAGE_CODE, fileTypeEntity, FORMAT_VERSION, null, true, PARTITION_KEY, null, NO_ATTRIBUTES, null, null, null, schemaColumns, schemaColumns);
    BusinessObjectDataStatusEntity businessObjectDataStatusEntity = businessObjectDataStatusDaoTestHelper.createBusinessObjectDataStatusEntity(BDATA_STATUS, DESCRIPTION, BDATA_STATUS_PRE_REGISTRATION_FLAG_SET);
    return businessObjectDataDaoTestHelper.createBusinessObjectDataEntity(businessObjectFormatEntity, PARTITION_VALUE, SUBPARTITION_VALUES, DATA_VERSION, true, businessObjectDataStatusEntity.getCode());
}

Example 25 with FileTypeEntity

use of org.finra.herd.model.jpa.FileTypeEntity in project herd by FINRAOS.

the class StorageUnitDaoImpl method getStorageUnitsByPartitionFiltersAndStorages.

/**
 * 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, 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)));
    // 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;
}