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