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.apache.commons.codec.digest.DigestUtils;
  32 import org.onap.cps.spi.CascadeDeleteAllowed;
  33 import org.onap.cps.spi.CpsAdminPersistenceService;
  34 import org.onap.cps.spi.CpsModulePersistenceService;
  35 import org.onap.cps.spi.entities.AnchorEntity;
  36 import org.onap.cps.spi.entities.DataspaceEntity;
  37 import org.onap.cps.spi.entities.SchemaSetEntity;
  38 import org.onap.cps.spi.entities.YangResourceEntity;
  39 import org.onap.cps.spi.exceptions.SchemaSetAlreadyDefinedException;
  40 import org.onap.cps.spi.exceptions.SchemaSetInUseException;
  41 import org.onap.cps.spi.model.Anchor;
  42 import org.onap.cps.spi.repository.AnchorRepository;
  43 import org.onap.cps.spi.repository.DataspaceRepository;
  44 import org.onap.cps.spi.repository.FragmentRepository;
  45 import org.onap.cps.spi.repository.SchemaSetRepository;
  46 import org.onap.cps.spi.repository.YangResourceRepository;
  47 import org.springframework.beans.factory.annotation.Autowired;
  48 import org.springframework.dao.DataIntegrityViolationException;
  49 import org.springframework.stereotype.Component;
  50
  51
  52 @Component
  53 public class CpsModulePersistenceServiceImpl implements CpsModulePersistenceService {
  54
  55     @Autowired
  56     private YangResourceRepository yangResourceRepository;
  57
  58     @Autowired
  59     private SchemaSetRepository schemaSetRepository;
  60
  61     @Autowired
  62     private DataspaceRepository dataspaceRepository;
  63
  64     @Autowired
  65     private AnchorRepository anchorRepository;
  66
  67     @Autowired
  68     private FragmentRepository fragmentRepository;
  69
  70     @Autowired
  71     private CpsAdminPersistenceService cpsAdminPersistenceService;
  72
  73     @Override
  74     @Transactional
  75     public void storeSchemaSet(final String dataspaceName, final String schemaSetName,
  76         final Map<String, String> yangResourcesNameToContentMap) {
  77
  78         final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
  79         final Set<YangResourceEntity> yangResourceEntities = synchronizeYangResources(yangResourcesNameToContentMap);
  80         final SchemaSetEntity schemaSetEntity = new SchemaSetEntity();
  81         schemaSetEntity.setName(schemaSetName);
  82         schemaSetEntity.setDataspace(dataspaceEntity);
  83         schemaSetEntity.setYangResources(yangResourceEntities);
  84         try {
  85             schemaSetRepository.save(schemaSetEntity);
  86         } catch (final DataIntegrityViolationException e) {
  87             throw new SchemaSetAlreadyDefinedException(dataspaceName, schemaSetName, e);
  88         }
  89     }
  90
  91     private Set<YangResourceEntity> synchronizeYangResources(final Map<String, String> yangResourcesNameToContentMap) {
  92         final Map<String, YangResourceEntity> checksumToEntityMap = yangResourcesNameToContentMap.entrySet().stream()
  93             .map(entry -> {
  94                 final String checksum = DigestUtils.sha256Hex(entry.getValue().getBytes(StandardCharsets.UTF_8));
  95                 final YangResourceEntity yangResourceEntity = new YangResourceEntity();
  96                 yangResourceEntity.setName(entry.getKey());
  97                 yangResourceEntity.setContent(entry.getValue());
  98                 yangResourceEntity.setChecksum(checksum);
  99                 return yangResourceEntity;
 100             })
 101             .collect(Collectors.toMap(
 102                 YangResourceEntity::getChecksum,
 103                 entity -> entity
 104             ));
 105
 106         final List<YangResourceEntity> existingYangResourceEntities =
 107             yangResourceRepository.findAllByChecksumIn(checksumToEntityMap.keySet());
 108         existingYangResourceEntities.forEach(yangFile -> checksumToEntityMap.remove(yangFile.getChecksum()));
 109
 110         final Collection<YangResourceEntity> newYangResourceEntities = checksumToEntityMap.values();
 111         if (!newYangResourceEntities.isEmpty()) {
 112             yangResourceRepository.saveAll(newYangResourceEntities);
 113         }
 114
 115         return ImmutableSet.<YangResourceEntity>builder()
 116             .addAll(existingYangResourceEntities)
 117             .addAll(newYangResourceEntities)
 118             .build();
 119     }
 120
 121     @Override
 122     public Map<String, String> getYangSchemaResources(final String dataspaceName, final String schemaSetName) {
 123         final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
 124         final SchemaSetEntity schemaSetEntity =
 125             schemaSetRepository.getByDataspaceAndName(dataspaceEntity, schemaSetName);
 126         return schemaSetEntity.getYangResources().stream().collect(
 127             Collectors.toMap(YangResourceEntity::getName, YangResourceEntity::getContent));
 128     }
 129
 130     @Override
 131     public Map<String, String> getYangSchemaSetResources(final String dataspaceName, final String anchorName) {
 132         final Anchor anchor = cpsAdminPersistenceService.getAnchor(dataspaceName, anchorName);
 133         return getYangSchemaResources(dataspaceName, anchor.getSchemaSetName());
 134     }
 135
 136     @Override
 137     @Transactional
 138     public void deleteSchemaSet(final String dataspaceName, final String schemaSetName,
 139         final CascadeDeleteAllowed cascadeDeleteAllowed) {
 140         final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
 141         final SchemaSetEntity schemaSetEntity =
 142             schemaSetRepository.getByDataspaceAndName(dataspaceEntity, schemaSetName);
 143
 144         final Collection<AnchorEntity> anchorEntities = anchorRepository.findAllBySchemaSet(schemaSetEntity);
 145         if (!anchorEntities.isEmpty()) {
 146             if (cascadeDeleteAllowed != CascadeDeleteAllowed.CASCADE_DELETE_ALLOWED) {
 147                 throw new SchemaSetInUseException(dataspaceName, schemaSetName);
 148             }
 149             fragmentRepository.deleteByAnchorIn(anchorEntities);
 150             anchorRepository.deleteAll(anchorEntities);
 151         }
 152         schemaSetRepository.delete(schemaSetEntity);
 153         yangResourceRepository.deleteOrphans();
 154     }
 155 }