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.List;
  25 import java.util.Map;
  26 import java.util.Set;
  27 import java.util.stream.Collectors;
  28 import javax.transaction.Transactional;
  29 import org.onap.cps.spi.CpsModulePersistenceService;
  30 import org.onap.cps.spi.entities.Dataspace;
  31 import org.onap.cps.spi.entities.SchemaSet;
  32 import org.onap.cps.spi.entities.YangResource;
  33 import org.onap.cps.spi.exceptions.SchemaSetAlreadyDefinedException;
  34 import org.onap.cps.spi.repository.DataspaceRepository;
  35 import org.onap.cps.spi.repository.SchemaSetRepository;
  36 import org.onap.cps.spi.repository.YangResourceRepository;
  37 import org.springframework.beans.factory.annotation.Autowired;
  38 import org.springframework.dao.DataIntegrityViolationException;
  39 import org.springframework.stereotype.Component;
  40 import org.springframework.util.DigestUtils;
  41
  42 @Component
  43 public class CpsModulePersistenceServiceImpl implements CpsModulePersistenceService {
  44
  45     @Autowired
  46     private YangResourceRepository yangResourceRepository;
  47
  48     @Autowired
  49     private SchemaSetRepository schemaSetRepository;
  50
  51     @Autowired
  52     private DataspaceRepository dataspaceRepository;
  53
  54     @Override
  55     public void storeModule(final String namespace, final String moduleContent, final String revision,
  56                             final String dataspaceName) {
  57         // TODO this method should be removed as obsolete.
  58         // Modules to be processed within schema sets only.
  59     }
  60
  61     @Override
  62     @Transactional
  63     public void storeSchemaSet(final String dataspaceName, final String schemaSetName,
  64                                final Set<String> yangResourcesAsStrings) {
  65
  66         final Dataspace dataspace = dataspaceRepository.getByName(dataspaceName);
  67         final Set<YangResource> yangResources = synchronizeYangResources(yangResourcesAsStrings);
  68         final SchemaSet schemaSet = new SchemaSet();
  69         schemaSet.setName(schemaSetName);
  70         schemaSet.setDataspace(dataspace);
  71         schemaSet.setYangResources(yangResources);
  72         try {
  73             schemaSetRepository.save(schemaSet);
  74         } catch (final DataIntegrityViolationException e) {
  75             throw new SchemaSetAlreadyDefinedException(dataspaceName, schemaSetName, e);
  76         }
  77     }
  78
  79     private Set<YangResource> synchronizeYangResources(final Set<String> yangResourcesAsStrings) {
  80         final Map<String, String> checksumToContentMap = yangResourcesAsStrings.stream()
  81             .collect(Collectors.toMap(
  82                 content -> DigestUtils.md5DigestAsHex(content.getBytes()),
  83                 content -> content)
  84             );
  85
  86         final List<YangResource> existingYangResources =
  87             yangResourceRepository.findAllByChecksumIn(checksumToContentMap.keySet());
  88         existingYangResources.forEach(yangFile -> checksumToContentMap.remove(yangFile.getChecksum()));
  89
  90         final List<YangResource> newYangResources = checksumToContentMap.entrySet().stream()
  91             .map(entry -> {
  92                 final YangResource yangResource = new YangResource();
  93                 yangResource.setChecksum(entry.getKey());
  94                 yangResource.setContent(entry.getValue());
  95                 return yangResource;
  96             }).collect(Collectors.toList());
  97         if (!newYangResources.isEmpty()) {
  98             yangResourceRepository.saveAll(newYangResources);
  99         }
 100
 101         return ImmutableSet.<YangResource>builder()
 102             .addAll(existingYangResources)
 103             .addAll(newYangResources)
 104             .build();
 105     }
 106
 107 }