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.CascadeDeleteAllowed;
  32 import org.onap.cps.spi.CpsAdminPersistenceService;
  33 import org.onap.cps.spi.CpsModulePersistenceService;
  34 import org.onap.cps.spi.entities.AnchorEntity;
  35 import org.onap.cps.spi.entities.DataspaceEntity;
  36 import org.onap.cps.spi.entities.SchemaSetEntity;
  37 import org.onap.cps.spi.entities.YangResourceEntity;
  38 import org.onap.cps.spi.exceptions.SchemaSetAlreadyDefinedException;
  39 import org.onap.cps.spi.exceptions.SchemaSetInUseException;
  40 import org.onap.cps.spi.model.Anchor;
  41 import org.onap.cps.spi.repository.AnchorRepository;
  42 import org.onap.cps.spi.repository.DataspaceRepository;
  43 import org.onap.cps.spi.repository.FragmentRepository;
  44 import org.onap.cps.spi.repository.SchemaSetRepository;
  45 import org.onap.cps.spi.repository.YangResourceRepository;
  46 import org.springframework.beans.factory.annotation.Autowired;
  47 import org.springframework.dao.DataIntegrityViolationException;
  48 import org.springframework.stereotype.Component;
  49 import org.springframework.util.DigestUtils;
  50
  51 @Component
  52 public class CpsModulePersistenceServiceImpl implements CpsModulePersistenceService {
  53
  54     @Autowired
  55     private YangResourceRepository yangResourceRepository;
  56
  57     @Autowired
  58     private SchemaSetRepository schemaSetRepository;
  59
  60     @Autowired
  61     private DataspaceRepository dataspaceRepository;
  62
  63     @Autowired
  64     private AnchorRepository anchorRepository;
  65
  66     @Autowired
  67     private FragmentRepository fragmentRepository;
  68
  69     @Autowired
  70     private CpsAdminPersistenceService cpsAdminPersistenceService;
  71
  72     @Override
  73     @Transactional
  74     public void storeSchemaSet(final String dataspaceName, final String schemaSetName,
  75         final Map<String, String> yangResourcesNameToContentMap) {
  76
  77         final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
  78         final Set<YangResourceEntity> yangResourceEntities = synchronizeYangResources(yangResourcesNameToContentMap);
  79         final SchemaSetEntity schemaSetEntity = new SchemaSetEntity();
  80         schemaSetEntity.setName(schemaSetName);
  81         schemaSetEntity.setDataspace(dataspaceEntity);
  82         schemaSetEntity.setYangResources(yangResourceEntities);
  83         try {
  84             schemaSetRepository.save(schemaSetEntity);
  85         } catch (final DataIntegrityViolationException e) {
  86             throw new SchemaSetAlreadyDefinedException(dataspaceName, schemaSetName, e);
  87         }
  88     }
  89
  90     private Set<YangResourceEntity> synchronizeYangResources(final Map<String, String> yangResourcesNameToContentMap) {
  91         final Map<String, YangResourceEntity> checksumToEntityMap = yangResourcesNameToContentMap.entrySet().stream()
  92             .map(entry -> {
  93                 final String checksum = DigestUtils.md5DigestAsHex(entry.getValue().getBytes(StandardCharsets.UTF_8));
  94                 final YangResourceEntity yangResourceEntity = new YangResourceEntity();
  95                 yangResourceEntity.setName(entry.getKey());
  96                 yangResourceEntity.setContent(entry.getValue());
  97                 yangResourceEntity.setChecksum(checksum);
  98                 return yangResourceEntity;
  99             })
 100             .collect(Collectors.toMap(
 101                 YangResourceEntity::getChecksum,
 102                 entity -> entity
 103             ));
 104
 105         final List<YangResourceEntity> existingYangResourceEntities =
 106             yangResourceRepository.findAllByChecksumIn(checksumToEntityMap.keySet());
 107         existingYangResourceEntities.forEach(yangFile -> checksumToEntityMap.remove(yangFile.getChecksum()));
 108
 109         final Collection<YangResourceEntity> newYangResourceEntities = checksumToEntityMap.values();
 110         if (!newYangResourceEntities.isEmpty()) {
 111             yangResourceRepository.saveAll(newYangResourceEntities);
 112         }
 113
 114         return ImmutableSet.<YangResourceEntity>builder()
 115             .addAll(existingYangResourceEntities)
 116             .addAll(newYangResourceEntities)
 117             .build();
 118     }
 119
 120     @Override
 121     public Map<String, String> getYangSchemaResources(final String dataspaceName, final String schemaSetName) {
 122         final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
 123         final SchemaSetEntity schemaSetEntity =
 124             schemaSetRepository.getByDataspaceAndName(dataspaceEntity, schemaSetName);
 125         return schemaSetEntity.getYangResources().stream().collect(
 126             Collectors.toMap(YangResourceEntity::getName, YangResourceEntity::getContent));
 127     }
 128
 129     @Override
 130     public Map<String, String> getYangSchemaSetResources(final String dataspaceName, final String anchorName) {
 131         final Anchor anchor = cpsAdminPersistenceService.getAnchor(dataspaceName, anchorName);
 132         return getYangSchemaResources(dataspaceName, anchor.getSchemaSetName());
 133     }
 134
 135     @Override
 136     @Transactional
 137     public void deleteSchemaSet(final String dataspaceName, final String schemaSetName,
 138         final CascadeDeleteAllowed cascadeDeleteAllowed) {
 139         final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
 140         final SchemaSetEntity schemaSetEntity =
 141             schemaSetRepository.getByDataspaceAndName(dataspaceEntity, schemaSetName);
 142
 143         final Collection<AnchorEntity> anchorEntities = anchorRepository.findAllBySchemaSet(schemaSetEntity);
 144         if (!anchorEntities.isEmpty()) {
 145             if (cascadeDeleteAllowed != CascadeDeleteAllowed.CASCADE_DELETE_ALLOWED) {
 146                 throw new SchemaSetInUseException(dataspaceName, schemaSetName);
 147             }
 148             fragmentRepository.deleteByAnchorIn(anchorEntities);
 149             anchorRepository.deleteAll(anchorEntities);
 150         }
 151         schemaSetRepository.delete(schemaSetEntity);
 152         yangResourceRepository.deleteOrphans();
 153     }
 154 }