cps-ri/src/main/java/org/onap/cps/spi/impl/CpsModulePersistenceServiceImpl.java

   1 /*
   2  * ============LICENSE_START=======================================================
   3  *  Copyright (C) 2020 Nordix Foundation
   4  *  Modifications Copyright (C) 2020 Bell Canada. All rights reserved.
   5  *  ================================================================================
   6  *  Licensed under the Apache License, Version 2.0 (the "License");
   7  *  you may not use this file except in compliance with the License.
   8  *  You may obtain a copy of the License at
   9  *
  10  *        http://www.apache.org/licenses/LICENSE-2.0
  11  *  Unless required by applicable law or agreed to in writing, software
  12  *  distributed under the License is distributed on an "AS IS" BASIS,
  13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  *  See the License for the specific language governing permissions and
  15  *  limitations under the License.
  16  *
  17  *  SPDX-License-Identifier: Apache-2.0
  18  *  ============LICENSE_END=========================================================
  19  */
  20
  21 package org.onap.cps.spi.impl;
  22
  23 import com.google.common.collect.ImmutableSet;
  24 import java.util.Collection;
  25 import java.util.List;
  26 import java.util.Map;
  27 import java.util.Set;
  28 import java.util.stream.Collectors;
  29 import javax.transaction.Transactional;
  30 import org.onap.cps.spi.CpsModulePersistenceService;
  31 import org.onap.cps.spi.entities.Dataspace;
  32 import org.onap.cps.spi.entities.SchemaSet;
  33 import org.onap.cps.spi.entities.YangResource;
  34 import org.onap.cps.spi.exceptions.SchemaSetAlreadyDefinedException;
  35 import org.onap.cps.spi.repository.DataspaceRepository;
  36 import org.onap.cps.spi.repository.SchemaSetRepository;
  37 import org.onap.cps.spi.repository.YangResourceRepository;
  38 import org.springframework.beans.factory.annotation.Autowired;
  39 import org.springframework.dao.DataIntegrityViolationException;
  40 import org.springframework.stereotype.Component;
  41 import org.springframework.util.DigestUtils;
  42
  43 @Component
  44 public class CpsModulePersistenceServiceImpl implements CpsModulePersistenceService {
  45
  46     @Autowired
  47     private YangResourceRepository yangResourceRepository;
  48
  49     @Autowired
  50     private SchemaSetRepository schemaSetRepository;
  51
  52     @Autowired
  53     private DataspaceRepository dataspaceRepository;
  54
  55     @Override
  56     public void storeModule(final String namespace, final String moduleContent, final String revision,
  57                             final String dataspaceName) {
  58         // TODO this method should be removed as obsolete.
  59         // Modules to be processed within schema sets only.
  60     }
  61
  62     @Override
  63     @Transactional
  64     public void storeSchemaSet(final String dataspaceName, final String schemaSetName,
  65                                final Map<String, String> yangResourcesNameToContentMap) {
  66
  67         final Dataspace dataspace = dataspaceRepository.getByName(dataspaceName);
  68         final Set<YangResource> yangResources = synchronizeYangResources(yangResourcesNameToContentMap);
  69         final SchemaSet schemaSet = new SchemaSet();
  70         schemaSet.setName(schemaSetName);
  71         schemaSet.setDataspace(dataspace);
  72         schemaSet.setYangResources(yangResources);
  73         try {
  74             schemaSetRepository.save(schemaSet);
  75         } catch (final DataIntegrityViolationException e) {
  76             throw new SchemaSetAlreadyDefinedException(dataspaceName, schemaSetName, e);
  77         }
  78     }
  79
  80     private Set<YangResource> synchronizeYangResources(final Map<String, String> yangResourcesNameToContentMap) {
  81         final Map<String, YangResource> checksumToEntityMap = yangResourcesNameToContentMap.entrySet().stream()
  82             .map(entry -> {
  83                 final YangResource yangResource = new YangResource();
  84                 yangResource.setName(entry.getKey());
  85                 yangResource.setContent(entry.getValue());
  86                 yangResource.setChecksum(DigestUtils.md5DigestAsHex(entry.getValue().getBytes()));
  87                 return yangResource;
  88             })
  89             .collect(Collectors.toMap(
  90                 YangResource::getChecksum,
  91                 entity -> entity
  92             ));
  93
  94         final List<YangResource> existingYangResources =
  95             yangResourceRepository.findAllByChecksumIn(checksumToEntityMap.keySet());
  96         existingYangResources.forEach(yangFile -> checksumToEntityMap.remove(yangFile.getChecksum()));
  97
  98         final Collection<YangResource> newYangResources = checksumToEntityMap.values();
  99         if (!newYangResources.isEmpty()) {
 100             yangResourceRepository.saveAll(newYangResources);
 101         }
 102
 103         return ImmutableSet.<YangResource>builder()
 104             .addAll(existingYangResources)
 105             .addAll(newYangResources)
 106             .build();
 107     }
 108
 109 }