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