cps-ri/src/main/java/org/onap/cps/spi/impl/CpsAdminPersistenceServiceImpl.java

   1 /*
   2  * ============LICENSE_START=======================================================
   3  * Copyright (C) 2020 Nordix Foundation.
   4  * Modifications Copyright (C) 2020 Bell Canada.
   5  * Modifications Copyright (C) 2021 Pantheon.tech
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  * SPDX-License-Identifier: Apache-2.0
  20  * ============LICENSE_END=========================================================
  21  */
  22
  23 package org.onap.cps.spi.impl;
  24
  25 import java.util.Collection;
  26 import java.util.List;
  27 import java.util.Set;
  28 import java.util.stream.Collectors;
  29 import javax.transaction.Transactional;
  30 import org.onap.cps.spi.CpsAdminPersistenceService;
  31 import org.onap.cps.spi.entities.AnchorEntity;
  32 import org.onap.cps.spi.entities.DataspaceEntity;
  33 import org.onap.cps.spi.entities.YangResourceModuleReference;
  34 import org.onap.cps.spi.exceptions.AlreadyDefinedException;
  35 import org.onap.cps.spi.exceptions.DataspaceInUseException;
  36 import org.onap.cps.spi.exceptions.ModuleNamesNotFoundException;
  37 import org.onap.cps.spi.model.Anchor;
  38 import org.onap.cps.spi.repository.AnchorRepository;
  39 import org.onap.cps.spi.repository.DataspaceRepository;
  40 import org.onap.cps.spi.repository.FragmentRepository;
  41 import org.onap.cps.spi.repository.SchemaSetRepository;
  42 import org.onap.cps.spi.repository.YangResourceRepository;
  43 import org.springframework.beans.factory.annotation.Autowired;
  44 import org.springframework.dao.DataIntegrityViolationException;
  45 import org.springframework.stereotype.Component;
  46
  47 @Component
  48 public class CpsAdminPersistenceServiceImpl implements CpsAdminPersistenceService {
  49
  50     @Autowired
  51     private DataspaceRepository dataspaceRepository;
  52
  53     @Autowired
  54     private AnchorRepository anchorRepository;
  55
  56     @Autowired
  57     private SchemaSetRepository schemaSetRepository;
  58
  59     @Autowired
  60     private FragmentRepository fragmentRepository;
  61
  62     @Autowired
  63     private YangResourceRepository yangResourceRepository;
  64
  65     @Override
  66     public void createDataspace(final String dataspaceName) {
  67         try {
  68             dataspaceRepository.save(new DataspaceEntity(dataspaceName));
  69         } catch (final DataIntegrityViolationException e) {
  70             throw AlreadyDefinedException.forDataspace(dataspaceName, e);
  71         }
  72     }
  73
  74     @Override
  75     public void deleteDataspace(final String dataspaceName) {
  76         final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
  77         final int numberOfAssociatedAnchors = anchorRepository.countByDataspace(dataspaceEntity);
  78         if (numberOfAssociatedAnchors != 0) {
  79             throw new DataspaceInUseException(dataspaceName,
  80                     String.format("Dataspace contains %d anchor(s)", numberOfAssociatedAnchors));
  81         }
  82         final int numberOfAssociatedSchemaSets = schemaSetRepository.countByDataspace(dataspaceEntity);
  83         if (numberOfAssociatedSchemaSets != 0) {
  84             throw new DataspaceInUseException(dataspaceName,
  85                     String.format("Dataspace contains %d schemaset(s)", numberOfAssociatedSchemaSets));
  86         }
  87         dataspaceRepository.delete(dataspaceEntity);
  88     }
  89
  90     @Override
  91     public void createAnchor(final String dataspaceName, final String schemaSetName, final String anchorName) {
  92         final var dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
  93         final var schemaSetEntity =
  94             schemaSetRepository.getByDataspaceAndName(dataspaceEntity, schemaSetName);
  95         final var anchorEntity = AnchorEntity.builder()
  96             .name(anchorName)
  97             .dataspace(dataspaceEntity)
  98             .schemaSet(schemaSetEntity)
  99             .build();
 100         try {
 101             anchorRepository.save(anchorEntity);
 102         } catch (final DataIntegrityViolationException e) {
 103             throw AlreadyDefinedException.forAnchor(anchorName, dataspaceName, e);
 104         }
 105     }
 106
 107     @Override
 108     public Collection<Anchor> getAnchors(final String dataspaceName) {
 109         final var dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
 110         final Collection<AnchorEntity> anchorEntities = anchorRepository.findAllByDataspace(dataspaceEntity);
 111         return anchorEntities.stream().map(CpsAdminPersistenceServiceImpl::toAnchor).collect(Collectors.toList());
 112     }
 113
 114     @Override
 115     public Collection<Anchor> queryAnchors(final String dataspaceName, final Collection<String> inputModuleNames) {
 116         validateDataspaceAndModuleNames(dataspaceName, inputModuleNames);
 117         final DataspaceEntity dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
 118         final Collection<AnchorEntity> anchorEntities = anchorRepository
 119             .getAnchorsByDataspaceIdAndModuleNames(dataspaceEntity.getId(), inputModuleNames, inputModuleNames.size());
 120         return anchorEntities.stream().map(CpsAdminPersistenceServiceImpl::toAnchor).collect(Collectors.toSet());
 121     }
 122
 123     @Override
 124     public Anchor getAnchor(final String dataspaceName, final String anchorName) {
 125         return toAnchor(getAnchorEntity(dataspaceName, anchorName));
 126     }
 127
 128     @Transactional
 129     @Override
 130     public void deleteAnchor(final String dataspaceName, final String anchorName) {
 131         final var anchorEntity = getAnchorEntity(dataspaceName, anchorName);
 132         fragmentRepository.deleteByAnchorIn(Set.of(anchorEntity));
 133         anchorRepository.delete(anchorEntity);
 134     }
 135
 136     private AnchorEntity getAnchorEntity(final String dataspaceName, final String anchorName) {
 137         final var dataspaceEntity = dataspaceRepository.getByName(dataspaceName);
 138         return anchorRepository.getByDataspaceAndName(dataspaceEntity, anchorName);
 139     }
 140
 141     private static Anchor toAnchor(final AnchorEntity anchorEntity) {
 142         return Anchor.builder()
 143             .name(anchorEntity.getName())
 144             .dataspaceName(anchorEntity.getDataspace().getName())
 145             .schemaSetName(anchorEntity.getSchemaSet().getName())
 146             .build();
 147     }
 148
 149     private void validateDataspaceAndModuleNames(final String dataspaceName,
 150         final Collection<String> inputModuleNames) {
 151         final Collection<String> retrievedModuleNames =
 152             yangResourceRepository.findAllModuleReferences(dataspaceName, inputModuleNames)
 153                 .stream().map(YangResourceModuleReference::getModuleName)
 154                 .collect(Collectors.toList());
 155         if (retrievedModuleNames.isEmpty()) {
 156             dataspaceRepository.getByName(dataspaceName);
 157         }
 158         if (inputModuleNames.size() > retrievedModuleNames.size()) {
 159             final List<String> moduleNamesNotFound = inputModuleNames.stream()
 160                 .filter(moduleName -> !retrievedModuleNames.contains(moduleName))
 161                 .collect(Collectors.toList());
 162             if (!moduleNamesNotFound.isEmpty()) {
 163                 throw new ModuleNamesNotFoundException(dataspaceName, moduleNamesNotFound);
 164             }
 165         }
 166     }
 167 }