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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.io.IOException;
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.CpsModulePersistenceService;
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.exceptions.CpsException;
import org.onap.cps.spi.exceptions.ModelValidationException;
import org.onap.cps.spi.exceptions.SchemaSetAlreadyDefinedException;
import org.onap.cps.spi.model.ModuleReference;
import org.onap.cps.spi.repository.DataspaceRepository;
import org.onap.cps.spi.repository.SchemaSetRepository;
import org.onap.cps.spi.repository.YangResourceRepository;
import org.onap.cps.yang.YangTextSchemaSourceSet;
import org.onap.cps.yang.YangTextSchemaSourceSetBuilder;
import org.opendaylight.yangtools.yang.model.parser.api.YangSyntaxErrorException;
import org.opendaylight.yangtools.yang.parser.spi.meta.ReactorException;
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;
@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 Map<String, String> yangResourcesNameToContentMap) {
final Dataspace dataspace = dataspaceRepository.getByName(dataspaceName);
final Set<YangResource> yangResources = synchronizeYangResources(yangResourcesNameToContentMap);
final SchemaSet schemaSet = new SchemaSet();
schemaSet.setName(schemaSetName);
schemaSet.setDataspace(dataspace);
schemaSet.setYangResources(yangResources);
try {
schemaSetRepository.save(schemaSet);
} catch (final DataIntegrityViolationException e) {
throw new SchemaSetAlreadyDefinedException(dataspaceName, schemaSetName, e);
}
}
private Set<YangResource> synchronizeYangResources(final Map<String, String> yangResourcesNameToContentMap) {
final Map<String, YangResource> checksumToEntityMap = yangResourcesNameToContentMap.entrySet().stream()
.map(entry -> {
final YangResource yangResource = new YangResource();
yangResource.setName(entry.getKey());
yangResource.setContent(entry.getValue());
yangResource.setChecksum(DigestUtils.md5DigestAsHex(entry.getValue().getBytes()));
return yangResource;
})
.collect(Collectors.toMap(
YangResource::getChecksum,
entity -> entity
));
final List<YangResource> existingYangResources =
yangResourceRepository.findAllByChecksumIn(checksumToEntityMap.keySet());
existingYangResources.forEach(yangFile -> checksumToEntityMap.remove(yangFile.getChecksum()));
final Collection<YangResource> newYangResources = checksumToEntityMap.values();
if (!newYangResources.isEmpty()) {
yangResourceRepository.saveAll(newYangResources);
}
return ImmutableSet.<YangResource>builder()
.addAll(existingYangResources)
.addAll(newYangResources)
.build();
}
@Override
public Collection<ModuleReference> getModuleReferences(final String dataspaceName, final String schemaSetName) {
final Dataspace dataspace = dataspaceRepository.getByName(dataspaceName);
final SchemaSet schemaSet = schemaSetRepository.getByDataspaceAndName(dataspace, schemaSetName);
final Map<String, String> yangResourceNameToContent = schemaSet.getYangResources().stream().collect(
Collectors.toMap(YangResource::getName, YangResource::getContent));
try {
final YangTextSchemaSourceSet schemaSourceSet = YangTextSchemaSourceSetBuilder
.of(yangResourceNameToContent);
return schemaSourceSet.getModuleReferences();
} catch (final ReactorException | YangSyntaxErrorException e) {
throw new ModelValidationException("Yang file validation failed", e.getMessage(), e);
}
}
}
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