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     public void storeModule(final String namespace, final String moduleContent, final String revision,
  59         final String dataspaceName) {
  60         // TODO this method should be removed as obsolete.
  61         // Modules to be processed within schema sets only.
  62     }
  63
  64     @Override
  65     @Transactional
  66     public void storeSchemaSet(final String dataspaceName, final String schemaSetName,
  67         final Map<String, String> yangResourcesNameToContentMap) {
  68
  69         final Dataspace dataspace = dataspaceRepository.getByName(dataspaceName);
  70         final Set<YangResource> yangResources = synchronizeYangResources(yangResourcesNameToContentMap);
  71         final SchemaSet schemaSet = new SchemaSet();
  72         schemaSet.setName(schemaSetName);
  73         schemaSet.setDataspace(dataspace);
  74         schemaSet.setYangResources(yangResources);
  75         try {
  76             schemaSetRepository.save(schemaSet);
  77         } catch (final DataIntegrityViolationException e) {
  78             throw new SchemaSetAlreadyDefinedException(dataspaceName, schemaSetName, e);
  79         }
  80     }
  81
  82     private Set<YangResource> synchronizeYangResources(final Map<String, String> yangResourcesNameToContentMap) {
  83         final Map<String, YangResource> checksumToEntityMap = yangResourcesNameToContentMap.entrySet().stream()
  84             .map(entry -> {
  85                 final YangResource yangResource = new YangResource();
  86                 yangResource.setName(entry.getKey());
  87                 yangResource.setContent(entry.getValue());
  88                 yangResource.setChecksum(DigestUtils.md5DigestAsHex(entry.getValue().getBytes()));
  89                 return yangResource;
  90             })
  91             .collect(Collectors.toMap(
  92                 YangResource::getChecksum,
  93                 entity -> entity
  94             ));
  95
  96         final List<YangResource> existingYangResources =
  97             yangResourceRepository.findAllByChecksumIn(checksumToEntityMap.keySet());
  98         existingYangResources.forEach(yangFile -> checksumToEntityMap.remove(yangFile.getChecksum()));
  99
 100         final Collection<YangResource> newYangResources = checksumToEntityMap.values();
 101         if (!newYangResources.isEmpty()) {
 102             yangResourceRepository.saveAll(newYangResources);
 103         }
 104
 105         return ImmutableSet.<YangResource>builder()
 106             .addAll(existingYangResources)
 107             .addAll(newYangResources)
 108             .build();
 109     }
 110
 111     @Override
 112     public Collection<ModuleReference> getModuleReferences(final String dataspaceName, final String schemaSetName) {
 113         final Dataspace dataspace = dataspaceRepository.getByName(dataspaceName);
 114         final SchemaSet schemaSet = schemaSetRepository.getByDataspaceAndName(dataspace, schemaSetName);
 115         final Map<String, String> yangResourceNameToContent = schemaSet.getYangResources().stream().collect(
 116             Collectors.toMap(YangResource::getName, YangResource::getContent));
 117         return YangTextSchemaSourceSetBuilder.of(yangResourceNameToContent).getModuleReferences();
 118     }
 119 }