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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2020 Nordix Foundation
* Modifications Copyright (C) 2020 Bell Canada. All rights reserved.
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.cps.spi.impl;
import com.google.common.collect.ImmutableSet;
import java.nio.charset.StandardCharsets;
import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
import javax.transaction.Transactional;
import org.onap.cps.spi.CascadeDeleteAllowed;
import org.onap.cps.spi.CpsAdminPersistenceService;
import org.onap.cps.spi.CpsModulePersistenceService;
import org.onap.cps.spi.entities.AnchorEntity;
import org.onap.cps.spi.entities.DataspaceEntity;
import org.onap.cps.spi.entities.SchemaSetEntity;
import org.onap.cps.spi.entities.YangResourceEntity;
import org.onap.cps.spi.exceptions.SchemaSetAlreadyDefinedException;
import org.onap.cps.spi.exceptions.SchemaSetInUseException;
import org.onap.cps.spi.model.Anchor;
import org.onap.cps.spi.repository.AnchorRepository;
import org.onap.cps.spi.repository.DataspaceRepository;
import org.onap.cps.spi.repository.FragmentRepository;
import org.onap.cps.spi.repository.SchemaSetRepository;
import org.onap.cps.spi.repository.YangResourceRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.DataIntegrityViolationException;
import org.springframework.stereotype.Component;
import org.springframework.util.DigestUtils;
@Component
public class CpsModulePersistenceServiceImpl implements CpsModulePersistenceService {
@Autowired
private YangResourceRepository yangResourceRepository;
@Autowired
private SchemaSetRepository schemaSetRepository;
@Autowired
private DataspaceRepository dataspaceRepository;
@Autowired
private AnchorRepository anchorRepository;
@Autowired
private FragmentRepository fragmentRepository;
@Autowired
private CpsAdminPersistenceService cpsAdminPersistenceService;
@Override
@Transactional
public void storeSchemaSet(final String dataspaceName, final String schemaSetName,
final Map<String, String> yangResourcesNameToContentMap) {
final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
final Set<YangResourceEntity> yangResourceEntities = synchronizeYangResources(yangResourcesNameToContentMap);
final SchemaSetEntity schemaSetEntity = new SchemaSetEntity();
schemaSetEntity.setName(schemaSetName);
schemaSetEntity.setDataspace(dataspaceEntity);
schemaSetEntity.setYangResources(yangResourceEntities);
try {
schemaSetRepository.save(schemaSetEntity);
} catch (final DataIntegrityViolationException e) {
throw new SchemaSetAlreadyDefinedException(dataspaceName, schemaSetName, e);
}
}
private Set<YangResourceEntity> synchronizeYangResources(final Map<String, String> yangResourcesNameToContentMap) {
final Map<String, YangResourceEntity> checksumToEntityMap = yangResourcesNameToContentMap.entrySet().stream()
.map(entry -> {
final String checksum = DigestUtils.md5DigestAsHex(entry.getValue().getBytes(StandardCharsets.UTF_8));
final YangResourceEntity yangResourceEntity = new YangResourceEntity();
yangResourceEntity.setName(entry.getKey());
yangResourceEntity.setContent(entry.getValue());
yangResourceEntity.setChecksum(checksum);
return yangResourceEntity;
})
.collect(Collectors.toMap(
YangResourceEntity::getChecksum,
entity -> entity
));
final List<YangResourceEntity> existingYangResourceEntities =
yangResourceRepository.findAllByChecksumIn(checksumToEntityMap.keySet());
existingYangResourceEntities.forEach(yangFile -> checksumToEntityMap.remove(yangFile.getChecksum()));
final Collection<YangResourceEntity> newYangResourceEntities = checksumToEntityMap.values();
if (!newYangResourceEntities.isEmpty()) {
yangResourceRepository.saveAll(newYangResourceEntities);
}
return ImmutableSet.<YangResourceEntity>builder()
.addAll(existingYangResourceEntities)
.addAll(newYangResourceEntities)
.build();
}
@Override
public Map<String, String> getYangSchemaResources(final String dataspaceName, final String schemaSetName) {
final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
final SchemaSetEntity schemaSetEntity =
schemaSetRepository.getByDataspaceAndName(dataspaceEntity, schemaSetName);
return schemaSetEntity.getYangResources().stream().collect(
Collectors.toMap(YangResourceEntity::getName, YangResourceEntity::getContent));
}
@Override
public Map<String, String> getYangSchemaSetResources(final String dataspaceName, final String anchorName) {
final Anchor anchor = cpsAdminPersistenceService.getAnchor(dataspaceName, anchorName);
return getYangSchemaResources(dataspaceName, anchor.getSchemaSetName());
}
@Override
@Transactional
public void deleteSchemaSet(final String dataspaceName, final String schemaSetName,
final CascadeDeleteAllowed cascadeDeleteAllowed) {
final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
final SchemaSetEntity schemaSetEntity =
schemaSetRepository.getByDataspaceAndName(dataspaceEntity, schemaSetName);
final Collection<AnchorEntity> anchorEntities = anchorRepository.findAllBySchemaSet(schemaSetEntity);
if (!anchorEntities.isEmpty()) {
if (cascadeDeleteAllowed != CascadeDeleteAllowed.CASCADE_DELETE_ALLOWED) {
throw new SchemaSetInUseException(dataspaceName, schemaSetName);
}
fragmentRepository.deleteByAnchorIn(anchorEntities);
anchorRepository.deleteAll(anchorEntities);
}
schemaSetRepository.delete(schemaSetEntity);
yangResourceRepository.deleteOrphans();
}
}
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