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