cps-service/src/main/java/org/onap/cps/api/impl/CpsDataServiceImpl.java

   1 /*
   2  *  ============LICENSE_START=======================================================
   3  *  Copyright (C) 2021 Nordix Foundation
   4  *  Modifications Copyright (C) 2020-2021 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.api.impl;
  24
  25 import java.util.Collection;
  26 import lombok.extern.slf4j.Slf4j;
  27 import org.onap.cps.api.CpsAdminService;
  28 import org.onap.cps.api.CpsDataService;
  29 import org.onap.cps.api.CpsModuleService;
  30 import org.onap.cps.notification.NotificationService;
  31 import org.onap.cps.spi.CpsDataPersistenceService;
  32 import org.onap.cps.spi.FetchDescendantsOption;
  33 import org.onap.cps.spi.exceptions.DataValidationException;
  34 import org.onap.cps.spi.model.DataNode;
  35 import org.onap.cps.spi.model.DataNodeBuilder;
  36 import org.onap.cps.utils.YangUtils;
  37 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  38 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  39 import org.springframework.beans.factory.annotation.Autowired;
  40 import org.springframework.stereotype.Service;
  41
  42 @Service
  43 @Slf4j
  44 public class CpsDataServiceImpl implements CpsDataService {
  45
  46     private static final String ROOT_NODE_XPATH = "/";
  47
  48     @Autowired
  49     private CpsDataPersistenceService cpsDataPersistenceService;
  50
  51     @Autowired
  52     private CpsAdminService cpsAdminService;
  53
  54     @Autowired
  55     private CpsModuleService cpsModuleService;
  56
  57     @Autowired
  58     private YangTextSchemaSourceSetCache yangTextSchemaSourceSetCache;
  59
  60     @Autowired
  61     private NotificationService notificationService;
  62
  63     @Override
  64     public void saveData(final String dataspaceName, final String anchorName, final String jsonData) {
  65         final var dataNode = buildDataNodeFromJson(dataspaceName, anchorName, ROOT_NODE_XPATH, jsonData);
  66         cpsDataPersistenceService.storeDataNode(dataspaceName, anchorName, dataNode);
  67         processDataUpdatedEventAsync(dataspaceName, anchorName);
  68     }
  69
  70     @Override
  71     public void saveData(final String dataspaceName, final String anchorName, final String parentNodeXpath,
  72         final String jsonData) {
  73         final var dataNode = buildDataNodeFromJson(dataspaceName, anchorName, parentNodeXpath, jsonData);
  74         cpsDataPersistenceService.addChildDataNode(dataspaceName, anchorName, parentNodeXpath, dataNode);
  75         processDataUpdatedEventAsync(dataspaceName, anchorName);
  76     }
  77
  78     @Override
  79     public void saveListNodeData(final String dataspaceName, final String anchorName,
  80         final String parentNodeXpath, final String jsonData) {
  81         final Collection<DataNode> dataNodesCollection =
  82             buildDataNodeCollectionFromJson(dataspaceName, anchorName, parentNodeXpath, jsonData);
  83         cpsDataPersistenceService.addListDataNodes(dataspaceName, anchorName, parentNodeXpath, dataNodesCollection);
  84         processDataUpdatedEventAsync(dataspaceName, anchorName);
  85     }
  86
  87     @Override
  88     public DataNode getDataNode(final String dataspaceName, final String anchorName, final String xpath,
  89         final FetchDescendantsOption fetchDescendantsOption) {
  90         return cpsDataPersistenceService.getDataNode(dataspaceName, anchorName, xpath, fetchDescendantsOption);
  91     }
  92
  93     @Override
  94     public void updateNodeLeaves(final String dataspaceName, final String anchorName, final String parentNodeXpath,
  95         final String jsonData) {
  96         final var dataNode = buildDataNodeFromJson(dataspaceName, anchorName, parentNodeXpath, jsonData);
  97         cpsDataPersistenceService
  98             .updateDataLeaves(dataspaceName, anchorName, dataNode.getXpath(), dataNode.getLeaves());
  99         processDataUpdatedEventAsync(dataspaceName, anchorName);
 100     }
 101
 102     @Override
 103     public void updateNodeLeavesAndExistingDescendantLeaves(final String dataspaceName, final String anchorName,
 104                                                             final String parentNodeXpath,
 105                                                             final String dataNodeUpdatesAsJson) {
 106         final Collection<DataNode> dataNodeUpdates =
 107             buildDataNodeCollectionFromJson(dataspaceName, anchorName, parentNodeXpath, dataNodeUpdatesAsJson);
 108         for (final DataNode dataNodeUpdate : dataNodeUpdates) {
 109             processDataNodeUpdate(dataspaceName, anchorName, dataNodeUpdate);
 110         }
 111         notificationService.processDataUpdatedEvent(dataspaceName, anchorName);
 112     }
 113
 114     @Override
 115     public void replaceNodeTree(final String dataspaceName, final String anchorName, final String parentNodeXpath,
 116         final String jsonData) {
 117         final var dataNode = buildDataNodeFromJson(dataspaceName, anchorName, parentNodeXpath, jsonData);
 118         cpsDataPersistenceService.replaceDataNodeTree(dataspaceName, anchorName, dataNode);
 119         processDataUpdatedEventAsync(dataspaceName, anchorName);
 120     }
 121
 122     @Override
 123     public void replaceListNodeData(final String dataspaceName, final String anchorName, final String parentNodeXpath,
 124         final String jsonData) {
 125         final Collection<DataNode> dataNodes =
 126             buildDataNodeCollectionFromJson(dataspaceName, anchorName, parentNodeXpath, jsonData);
 127         cpsDataPersistenceService.replaceListDataNodes(dataspaceName, anchorName, parentNodeXpath, dataNodes);
 128         processDataUpdatedEventAsync(dataspaceName, anchorName);
 129     }
 130
 131     @Override
 132     public void deleteListNodeData(final String dataspaceName, final String anchorName, final String listNodeXpath) {
 133         cpsDataPersistenceService.deleteListDataNodes(dataspaceName, anchorName, listNodeXpath);
 134         processDataUpdatedEventAsync(dataspaceName, anchorName);
 135     }
 136
 137
 138     private DataNode buildDataNodeFromJson(final String dataspaceName, final String anchorName,
 139         final String parentNodeXpath, final String jsonData) {
 140
 141         final var anchor = cpsAdminService.getAnchor(dataspaceName, anchorName);
 142         final var schemaContext = getSchemaContext(dataspaceName, anchor.getSchemaSetName());
 143
 144         if (ROOT_NODE_XPATH.equals(parentNodeXpath)) {
 145             final NormalizedNode<?, ?> normalizedNode = YangUtils.parseJsonData(jsonData, schemaContext);
 146             return new DataNodeBuilder().withNormalizedNodeTree(normalizedNode).build();
 147         }
 148
 149         final NormalizedNode<?, ?> normalizedNode = YangUtils.parseJsonData(jsonData, schemaContext, parentNodeXpath);
 150         return new DataNodeBuilder()
 151             .withParentNodeXpath(parentNodeXpath)
 152             .withNormalizedNodeTree(normalizedNode)
 153             .build();
 154     }
 155
 156     private Collection<DataNode> buildDataNodeCollectionFromJson(final String dataspaceName, final String anchorName,
 157         final String parentNodeXpath, final String jsonData) {
 158
 159         final var anchor = cpsAdminService.getAnchor(dataspaceName, anchorName);
 160         final var schemaContext = getSchemaContext(dataspaceName, anchor.getSchemaSetName());
 161
 162         final NormalizedNode<?, ?> normalizedNode = YangUtils.parseJsonData(jsonData, schemaContext, parentNodeXpath);
 163         final Collection<DataNode> dataNodes = new DataNodeBuilder()
 164             .withParentNodeXpath(parentNodeXpath)
 165             .withNormalizedNodeTree(normalizedNode)
 166             .buildCollection();
 167         if (dataNodes.isEmpty()) {
 168             throw new DataValidationException("Invalid list data.", "List node is empty.");
 169         }
 170         return dataNodes;
 171
 172     }
 173
 174     private void processDataUpdatedEventAsync(final String dataspaceName, final String anchorName) {
 175         try {
 176             notificationService.processDataUpdatedEvent(dataspaceName, anchorName);
 177         } catch (final Exception exception) {
 178             log.error("Failed to send message to notification service", exception);
 179         }
 180     }
 181
 182     private SchemaContext getSchemaContext(final String dataspaceName, final String schemaSetName) {
 183         return yangTextSchemaSourceSetCache.get(dataspaceName, schemaSetName).getSchemaContext();
 184     }
 185
 186     private void processDataNodeUpdate(final String dataspaceName, final String anchorName,
 187                                        final DataNode dataNodeUpdate) {
 188         if (dataNodeUpdate == null) {
 189             return;
 190         }
 191         cpsDataPersistenceService.updateDataLeaves(dataspaceName, anchorName, dataNodeUpdate.getXpath(),
 192             dataNodeUpdate.getLeaves());
 193         final Collection<DataNode> childDataNodeUpdates = dataNodeUpdate.getChildDataNodes();
 194         for (final DataNode childDataNodeUpdate : childDataNodeUpdates) {
 195             processDataNodeUpdate(dataspaceName, anchorName, childDataNodeUpdate);
 196         }
 197     }
 198 }