org.finra.herd.dao.impl.BusinessObjectDataAttributeDaoImpl.java Source code

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Here is the source code for org.finra.herd.dao.impl.BusinessObjectDataAttributeDaoImpl.java

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/*
* 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.util.ArrayList;
import java.util.List;

import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Join;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;

import org.apache.commons.lang3.StringUtils;
import org.springframework.stereotype.Repository;
import org.springframework.util.CollectionUtils;

import org.finra.herd.dao.BusinessObjectDataAttributeDao;
import org.finra.herd.model.api.xml.BusinessObjectDataAttributeKey;
import org.finra.herd.model.jpa.BusinessObjectDataAttributeEntity;
import org.finra.herd.model.jpa.BusinessObjectDataAttributeEntity_;
import org.finra.herd.model.jpa.BusinessObjectDataEntity;
import org.finra.herd.model.jpa.BusinessObjectDataEntity_;
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.FileTypeEntity;
import org.finra.herd.model.jpa.FileTypeEntity_;
import org.finra.herd.model.jpa.NamespaceEntity;
import org.finra.herd.model.jpa.NamespaceEntity_;

@Repository
public class BusinessObjectDataAttributeDaoImpl extends AbstractHerdDao implements BusinessObjectDataAttributeDao {
    @Override
    public BusinessObjectDataAttributeEntity getBusinessObjectDataAttributeByKey(
            BusinessObjectDataAttributeKey businessObjectDataAttributeKey) {
        // Create the criteria builder and the criteria.
        CriteriaBuilder builder = entityManager.getCriteriaBuilder();
        CriteriaQuery<BusinessObjectDataAttributeEntity> criteria = builder
                .createQuery(BusinessObjectDataAttributeEntity.class);

        // The criteria root is the business object data attribute.
        Root<BusinessObjectDataAttributeEntity> businessObjectDataAttributeEntityRoot = criteria
                .from(BusinessObjectDataAttributeEntity.class);

        // Join to the other tables we can filter on.
        Join<BusinessObjectDataAttributeEntity, BusinessObjectDataEntity> businessObjectDataEntityJoin = businessObjectDataAttributeEntityRoot
                .join(BusinessObjectDataAttributeEntity_.businessObjectData);
        Join<BusinessObjectDataEntity, BusinessObjectFormatEntity> businessObjectFormatEntityJoin = businessObjectDataEntityJoin
                .join(BusinessObjectDataEntity_.businessObjectFormat);
        Join<BusinessObjectFormatEntity, FileTypeEntity> fileTypeEntityJoin = businessObjectFormatEntityJoin
                .join(BusinessObjectFormatEntity_.fileType);
        Join<BusinessObjectFormatEntity, BusinessObjectDefinitionEntity> businessObjectDefinitionEntityJoin = businessObjectFormatEntityJoin
                .join(BusinessObjectFormatEntity_.businessObjectDefinition);
        Join<BusinessObjectDefinitionEntity, NamespaceEntity> namespaceEntityJoin = businessObjectDefinitionEntityJoin
                .join(BusinessObjectDefinitionEntity_.namespace);

        // Create the standard restrictions (i.e. the standard where clauses).
        List<Predicate> predicates = new ArrayList<>();
        predicates.add(builder.equal(builder.upper(namespaceEntityJoin.get(NamespaceEntity_.code)),
                businessObjectDataAttributeKey.getNamespace().toUpperCase()));
        predicates.add(builder.equal(
                builder.upper(businessObjectDefinitionEntityJoin.get(BusinessObjectDefinitionEntity_.name)),
                businessObjectDataAttributeKey.getBusinessObjectDefinitionName().toUpperCase()));
        predicates.add(builder.equal(
                builder.upper(businessObjectDefinitionEntityJoin.get(BusinessObjectDefinitionEntity_.name)),
                businessObjectDataAttributeKey.getBusinessObjectDefinitionName().toUpperCase()));
        predicates.add(
                builder.equal(builder.upper(businessObjectFormatEntityJoin.get(BusinessObjectFormatEntity_.usage)),
                        businessObjectDataAttributeKey.getBusinessObjectFormatUsage().toUpperCase()));
        predicates.add(builder.equal(builder.upper(fileTypeEntityJoin.get(FileTypeEntity_.code)),
                businessObjectDataAttributeKey.getBusinessObjectFormatFileType().toUpperCase()));
        predicates.add(builder.equal(
                businessObjectFormatEntityJoin.get(BusinessObjectFormatEntity_.businessObjectFormatVersion),
                businessObjectDataAttributeKey.getBusinessObjectFormatVersion()));
        predicates.add(getQueryRestrictionOnPartitionValues(builder, businessObjectDataEntityJoin,
                businessObjectDataAttributeKey.getPartitionValue(),
                businessObjectDataAttributeKey.getSubPartitionValues()));
        predicates.add(builder.equal(businessObjectDataEntityJoin.get(BusinessObjectDataEntity_.version),
                businessObjectDataAttributeKey.getBusinessObjectDataVersion()));
        predicates.add(builder.equal(
                builder.upper(businessObjectDataAttributeEntityRoot.get(BusinessObjectDataAttributeEntity_.name)),
                businessObjectDataAttributeKey.getBusinessObjectDataAttributeName().toUpperCase()));

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

        return executeSingleResultQuery(criteria, String.format(
                "Found more than one business object data attribute instance with parameters {namespace=\"%s\", businessObjectDefinitionName=\"%s\","
                        + " businessObjectFormatUsage=\"%s\", businessObjectFormatFileType=\"%s\", businessObjectFormatVersion=\"%d\","
                        + " businessObjectDataPartitionValue=\"%s\", businessObjectDataSubPartitionValues=\"%s\", businessObjectDataVersion=\"%d\","
                        + " businessObjectDataAttributeName=\"%s\"}.",
                businessObjectDataAttributeKey.getNamespace(),
                businessObjectDataAttributeKey.getBusinessObjectDefinitionName(),
                businessObjectDataAttributeKey.getBusinessObjectFormatUsage(),
                businessObjectDataAttributeKey.getBusinessObjectFormatFileType(),
                businessObjectDataAttributeKey.getBusinessObjectFormatVersion(),
                businessObjectDataAttributeKey.getPartitionValue(),
                CollectionUtils.isEmpty(businessObjectDataAttributeKey.getSubPartitionValues()) ? ""
                        : StringUtils.join(businessObjectDataAttributeKey.getSubPartitionValues(), ","),
                businessObjectDataAttributeKey.getBusinessObjectDataVersion(),
                businessObjectDataAttributeKey.getBusinessObjectDataAttributeName()));
    }
}