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.nio.charset.StandardCharsets;
  25 import java.util.Collection;
  26 import java.util.List;
  27 import java.util.Map;
  28 import java.util.Set;
  29 import java.util.stream.Collectors;
  30 import javax.transaction.Transactional;
  31 import org.onap.cps.spi.CpsModulePersistenceService;
  32 import org.onap.cps.spi.entities.DataspaceEntity;
  33 import org.onap.cps.spi.entities.SchemaSetEntity;
  34 import org.onap.cps.spi.entities.YangResourceEntity;
  35 import org.onap.cps.spi.exceptions.SchemaSetAlreadyDefinedException;
  36 import org.onap.cps.spi.repository.DataspaceRepository;
  37 import org.onap.cps.spi.repository.SchemaSetRepository;
  38 import org.onap.cps.spi.repository.YangResourceRepository;
  39 import org.springframework.beans.factory.annotation.Autowired;
  40 import org.springframework.dao.DataIntegrityViolationException;
  41 import org.springframework.stereotype.Component;
  42 import org.springframework.util.DigestUtils;
  43
  44 @Component
  45 public class CpsModulePersistenceServiceImpl implements CpsModulePersistenceService {
  46
  47     @Autowired
  48     private YangResourceRepository yangResourceRepository;
  49
  50     @Autowired
  51     private SchemaSetRepository schemaSetRepository;
  52
  53     @Autowired
  54     private DataspaceRepository dataspaceRepository;
  55
  56     @Override
  57     @Transactional
  58     public void storeSchemaSet(final String dataspaceName, final String schemaSetName,
  59         final Map<String, String> yangResourcesNameToContentMap) {
  60
  61         final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
  62         final Set<YangResourceEntity> yangResourceEntities = synchronizeYangResources(yangResourcesNameToContentMap);
  63         final SchemaSetEntity schemaSetEntity = new SchemaSetEntity();
  64         schemaSetEntity.setName(schemaSetName);
  65         schemaSetEntity.setDataspace(dataspaceEntity);
  66         schemaSetEntity.setYangResources(yangResourceEntities);
  67         try {
  68             schemaSetRepository.save(schemaSetEntity);
  69         } catch (final DataIntegrityViolationException e) {
  70             throw new SchemaSetAlreadyDefinedException(dataspaceName, schemaSetName, e);
  71         }
  72     }
  73
  74     private Set<YangResourceEntity> synchronizeYangResources(final Map<String, String> yangResourcesNameToContentMap) {
  75         final Map<String, YangResourceEntity> checksumToEntityMap = yangResourcesNameToContentMap.entrySet().stream()
  76             .map(entry -> {
  77                 final String checksum = DigestUtils.md5DigestAsHex(entry.getValue().getBytes(StandardCharsets.UTF_8));
  78                 final YangResourceEntity yangResourceEntity = new YangResourceEntity();
  79                 yangResourceEntity.setName(entry.getKey());
  80                 yangResourceEntity.setContent(entry.getValue());
  81                 yangResourceEntity.setChecksum(checksum);
  82                 return yangResourceEntity;
  83             })
  84             .collect(Collectors.toMap(
  85                 YangResourceEntity::getChecksum,
  86                 entity -> entity
  87             ));
  88
  89         final List<YangResourceEntity> existingYangResourceEntities =
  90             yangResourceRepository.findAllByChecksumIn(checksumToEntityMap.keySet());
  91         existingYangResourceEntities.forEach(yangFile -> checksumToEntityMap.remove(yangFile.getChecksum()));
  92
  93         final Collection<YangResourceEntity> newYangResourceEntities = checksumToEntityMap.values();
  94         if (!newYangResourceEntities.isEmpty()) {
  95             yangResourceRepository.saveAll(newYangResourceEntities);
  96         }
  97
  98         return ImmutableSet.<YangResourceEntity>builder()
  99             .addAll(existingYangResourceEntities)
 100             .addAll(newYangResourceEntities)
 101             .build();
 102     }
 103
 104     @Override
 105     public Map<String, String> getYangSchemaResources(final String dataspaceName, final String schemaSetName) {
 106         final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
 107         final SchemaSetEntity schemaSetEntity =
 108             schemaSetRepository.getByDataspaceAndName(dataspaceEntity, schemaSetName);
 109         return schemaSetEntity.getYangResources().stream().collect(
 110             Collectors.toMap(YangResourceEntity::getName, YangResourceEntity::getContent));
 111     }
 112 }