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 Bell Canada. All rights reserved.
   5  *  Modifications Copyright (C) 2021 Pantheon.tech
   6  *  Modifications Copyright (C) 2021 Bell Canada.
   7  *  ================================================================================
   8  *  Licensed under the Apache License, Version 2.0 (the "License");
   9  *  you may not use this file except in compliance with the License.
  10  *  You may obtain a copy of the License at
  11  *
  12  *        http://www.apache.org/licenses/LICENSE-2.0
  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 org.onap.cps.api.CpsAdminService;
  27 import org.onap.cps.api.CpsDataService;
  28 import org.onap.cps.api.CpsModuleService;
  29 import org.onap.cps.notification.NotificationService;
  30 import org.onap.cps.spi.CpsDataPersistenceService;
  31 import org.onap.cps.spi.FetchDescendantsOption;
  32 import org.onap.cps.spi.exceptions.DataValidationException;
  33 import org.onap.cps.spi.model.DataNode;
  34 import org.onap.cps.spi.model.DataNodeBuilder;
  35 import org.onap.cps.utils.YangUtils;
  36 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  37 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  38 import org.springframework.beans.factory.annotation.Autowired;
  39 import org.springframework.stereotype.Service;
  40
  41 @Service
  42 public class CpsDataServiceImpl implements CpsDataService {
  43
  44     private static final String ROOT_NODE_XPATH = "/";
  45
  46     @Autowired
  47     private CpsDataPersistenceService cpsDataPersistenceService;
  48
  49     @Autowired
  50     private CpsAdminService cpsAdminService;
  51
  52     @Autowired
  53     private CpsModuleService cpsModuleService;
  54
  55     @Autowired
  56     private YangTextSchemaSourceSetCache yangTextSchemaSourceSetCache;
  57
  58     @Autowired
  59     private NotificationService notificationService;
  60
  61     @Override
  62     public void saveData(final String dataspaceName, final String anchorName, final String jsonData) {
  63         final var dataNode = buildDataNodeFromJson(dataspaceName, anchorName, ROOT_NODE_XPATH, jsonData);
  64         cpsDataPersistenceService.storeDataNode(dataspaceName, anchorName, dataNode);
  65         notificationService.processDataUpdatedEvent(dataspaceName, anchorName);
  66     }
  67
  68     @Override
  69     public void saveData(final String dataspaceName, final String anchorName, final String parentNodeXpath,
  70         final String jsonData) {
  71         final var dataNode = buildDataNodeFromJson(dataspaceName, anchorName, parentNodeXpath, jsonData);
  72         cpsDataPersistenceService.addChildDataNode(dataspaceName, anchorName, parentNodeXpath, dataNode);
  73         notificationService.processDataUpdatedEvent(dataspaceName, anchorName);
  74     }
  75
  76     @Override
  77     public void saveListNodeData(final String dataspaceName, final String anchorName,
  78         final String parentNodeXpath, final String jsonData) {
  79         final Collection<DataNode> dataNodesCollection =
  80             buildDataNodeCollectionFromJson(dataspaceName, anchorName, parentNodeXpath, jsonData);
  81         cpsDataPersistenceService.addListDataNodes(dataspaceName, anchorName, parentNodeXpath, dataNodesCollection);
  82         notificationService.processDataUpdatedEvent(dataspaceName, anchorName);
  83     }
  84
  85     @Override
  86     public DataNode getDataNode(final String dataspaceName, final String anchorName, final String xpath,
  87         final FetchDescendantsOption fetchDescendantsOption) {
  88         return cpsDataPersistenceService.getDataNode(dataspaceName, anchorName, xpath, fetchDescendantsOption);
  89     }
  90
  91     @Override
  92     public void updateNodeLeaves(final String dataspaceName, final String anchorName, final String parentNodeXpath,
  93         final String jsonData) {
  94         final var dataNode = buildDataNodeFromJson(dataspaceName, anchorName, parentNodeXpath, jsonData);
  95         cpsDataPersistenceService
  96             .updateDataLeaves(dataspaceName, anchorName, dataNode.getXpath(), dataNode.getLeaves());
  97         notificationService.processDataUpdatedEvent(dataspaceName, anchorName);
  98     }
  99
 100     @Override
 101     public void replaceNodeTree(final String dataspaceName, final String anchorName, final String parentNodeXpath,
 102         final String jsonData) {
 103         final var dataNode = buildDataNodeFromJson(dataspaceName, anchorName, parentNodeXpath, jsonData);
 104         cpsDataPersistenceService.replaceDataNodeTree(dataspaceName, anchorName, dataNode);
 105         notificationService.processDataUpdatedEvent(dataspaceName, anchorName);
 106     }
 107
 108     @Override
 109     public void replaceListNodeData(final String dataspaceName, final String anchorName, final String parentNodeXpath,
 110         final String jsonData) {
 111         final Collection<DataNode> dataNodes =
 112             buildDataNodeCollectionFromJson(dataspaceName, anchorName, parentNodeXpath, jsonData);
 113         cpsDataPersistenceService.replaceListDataNodes(dataspaceName, anchorName, parentNodeXpath, dataNodes);
 114         notificationService.processDataUpdatedEvent(dataspaceName, anchorName);
 115     }
 116
 117     private DataNode buildDataNodeFromJson(final String dataspaceName, final String anchorName,
 118         final String parentNodeXpath, final String jsonData) {
 119
 120         final var anchor = cpsAdminService.getAnchor(dataspaceName, anchorName);
 121         final var schemaContext = getSchemaContext(dataspaceName, anchor.getSchemaSetName());
 122
 123         if (ROOT_NODE_XPATH.equals(parentNodeXpath)) {
 124             final NormalizedNode<?, ?> normalizedNode = YangUtils.parseJsonData(jsonData, schemaContext);
 125             return new DataNodeBuilder().withNormalizedNodeTree(normalizedNode).build();
 126         }
 127
 128         final NormalizedNode<?, ?> normalizedNode = YangUtils.parseJsonData(jsonData, schemaContext, parentNodeXpath);
 129         return new DataNodeBuilder()
 130             .withParentNodeXpath(parentNodeXpath)
 131             .withNormalizedNodeTree(normalizedNode)
 132             .build();
 133     }
 134
 135     private Collection<DataNode> buildDataNodeCollectionFromJson(final String dataspaceName, final String anchorName,
 136         final String parentNodeXpath, final String jsonData) {
 137
 138         final var anchor = cpsAdminService.getAnchor(dataspaceName, anchorName);
 139         final var schemaContext = getSchemaContext(dataspaceName, anchor.getSchemaSetName());
 140
 141         final NormalizedNode<?, ?> normalizedNode = YangUtils.parseJsonData(jsonData, schemaContext, parentNodeXpath);
 142         final Collection<DataNode> dataNodes = new DataNodeBuilder()
 143             .withParentNodeXpath(parentNodeXpath)
 144             .withNormalizedNodeTree(normalizedNode)
 145             .buildCollection();
 146         if (dataNodes.isEmpty()) {
 147             throw new DataValidationException("Invalid list data.", "List node is empty.");
 148         }
 149         return dataNodes;
 150
 151     }
 152
 153     private SchemaContext getSchemaContext(final String dataspaceName, final String schemaSetName) {
 154         return yangTextSchemaSourceSetCache.get(dataspaceName, schemaSetName).getSchemaContext();
 155     }
 156 }