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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 static org.onap.cps.exceptions.CpsExceptionBuilder.duplicateSchemaSetException;
import static org.onap.cps.exceptions.CpsExceptionBuilder.invalidDataspaceException;
import com.google.common.collect.ImmutableSet;
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.ModelPersistenceService;
import org.onap.cps.spi.entities.Dataspace;
import org.onap.cps.spi.entities.SchemaSet;
import org.onap.cps.spi.entities.YangResource;
import org.onap.cps.spi.repository.DataspaceRepository;
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 ModelPersistenceServiceImpl implements ModelPersistenceService {
@Autowired
private YangResourceRepository yangResourceRepository;
@Autowired
private SchemaSetRepository schemaSetRepository;
@Autowired
private DataspaceRepository dataspaceRepository;
@Override
public void storeModule(final String namespace, final String moduleContent, final String revision,
final String dataspaceName) {
// TODO this method should be removed as obsolete.
// Modules to be processed within schema sets only.
}
@Override
@Transactional
public void storeSchemaSet(final String dataspaceName, final String schemaSetName,
final Set<String> yangResourcesAsStrings) {
final Dataspace dataspace = dataspaceRepository.findByName(dataspaceName)
.orElseThrow(() -> invalidDataspaceException(dataspaceName));
final Set<YangResource> yangResources = synchronizeYangResources(yangResourcesAsStrings);
final SchemaSet schemaSet = new SchemaSet();
schemaSet.setName(schemaSetName);
schemaSet.setDataspace(dataspace);
schemaSet.setYangResources(yangResources);
try {
schemaSetRepository.save(schemaSet);
} catch (final DataIntegrityViolationException e) {
throw duplicateSchemaSetException(dataspaceName, schemaSetName);
}
}
private Set<YangResource> synchronizeYangResources(final Set<String> yangResourcesAsStrings) {
final Map<String, String> checksumToContentMap = yangResourcesAsStrings.stream()
.collect(Collectors.toMap(
content -> DigestUtils.md5DigestAsHex(content.getBytes()),
content -> content)
);
final List<YangResource> existingYangResources =
yangResourceRepository.findAllByChecksumIn(checksumToContentMap.keySet());
existingYangResources.forEach(yangFile -> checksumToContentMap.remove(yangFile.getChecksum()));
final List<YangResource> newYangResources = checksumToContentMap.entrySet().stream()
.map(entry -> {
final YangResource yangResource = new YangResource();
yangResource.setChecksum(entry.getKey());
yangResource.setContent(entry.getValue());
return yangResource;
}).collect(Collectors.toList());
if (!newYangResources.isEmpty()) {
yangResourceRepository.saveAll(newYangResources);
}
return ImmutableSet.<YangResource>builder()
.addAll(existingYangResources)
.addAll(newYangResources)
.build();
}
}
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