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.time.OffsetDateTime;
  26 import java.util.Collection;
  27 import lombok.extern.slf4j.Slf4j;
  28 import org.onap.cps.api.CpsAdminService;
  29 import org.onap.cps.api.CpsDataService;
  30 import org.onap.cps.api.CpsModuleService;
  31 import org.onap.cps.notification.NotificationService;
  32 import org.onap.cps.spi.CpsDataPersistenceService;
  33 import org.onap.cps.spi.FetchDescendantsOption;
  34 import org.onap.cps.spi.exceptions.DataValidationException;
  35 import org.onap.cps.spi.model.DataNode;
  36 import org.onap.cps.spi.model.DataNodeBuilder;
  37 import org.onap.cps.utils.YangUtils;
  38 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  39 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  40 import org.springframework.beans.factory.annotation.Autowired;
  41 import org.springframework.stereotype.Service;
  42
  43 @Service
  44 @Slf4j
  45 public class CpsDataServiceImpl implements CpsDataService {
  46
  47     private static final String ROOT_NODE_XPATH = "/";
  48
  49     @Autowired
  50     private CpsDataPersistenceService cpsDataPersistenceService;
  51
  52     @Autowired
  53     private CpsAdminService cpsAdminService;
  54
  55     @Autowired
  56     private CpsModuleService cpsModuleService;
  57
  58     @Autowired
  59     private YangTextSchemaSourceSetCache yangTextSchemaSourceSetCache;
  60
  61     @Autowired
  62     private NotificationService notificationService;
  63
  64     @Override
  65     public void saveData(final String dataspaceName, final String anchorName, final String jsonData,
  66         final OffsetDateTime observedTimestamp) {
  67         final var dataNode = buildDataNodeFromJson(dataspaceName, anchorName, ROOT_NODE_XPATH, jsonData);
  68         cpsDataPersistenceService.storeDataNode(dataspaceName, anchorName, dataNode);
  69         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp);
  70     }
  71
  72     @Override
  73     public void saveData(final String dataspaceName, final String anchorName, final String parentNodeXpath,
  74         final String jsonData, final OffsetDateTime observedTimestamp) {
  75         final var dataNode = buildDataNodeFromJson(dataspaceName, anchorName, parentNodeXpath, jsonData);
  76         cpsDataPersistenceService.addChildDataNode(dataspaceName, anchorName, parentNodeXpath, dataNode);
  77         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp);
  78     }
  79
  80     @Override
  81     public void saveListNodeData(final String dataspaceName, final String anchorName,
  82         final String parentNodeXpath, final String jsonData, final OffsetDateTime observedTimestamp) {
  83         final Collection<DataNode> dataNodesCollection =
  84             buildDataNodeCollectionFromJson(dataspaceName, anchorName, parentNodeXpath, jsonData);
  85         cpsDataPersistenceService.addListDataNodes(dataspaceName, anchorName, parentNodeXpath, dataNodesCollection);
  86         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp);
  87     }
  88
  89     @Override
  90     public DataNode getDataNode(final String dataspaceName, final String anchorName, final String xpath,
  91         final FetchDescendantsOption fetchDescendantsOption) {
  92         return cpsDataPersistenceService.getDataNode(dataspaceName, anchorName, xpath, fetchDescendantsOption);
  93     }
  94
  95     @Override
  96     public void updateNodeLeaves(final String dataspaceName, final String anchorName, final String parentNodeXpath,
  97         final String jsonData, final OffsetDateTime observedTimestamp) {
  98         final var dataNode = buildDataNodeFromJson(dataspaceName, anchorName, parentNodeXpath, jsonData);
  99         cpsDataPersistenceService
 100             .updateDataLeaves(dataspaceName, anchorName, dataNode.getXpath(), dataNode.getLeaves());
 101         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp);
 102     }
 103
 104     @Override
 105     public void updateNodeLeavesAndExistingDescendantLeaves(final String dataspaceName, final String anchorName,
 106         final String parentNodeXpath,
 107         final String dataNodeUpdatesAsJson,
 108         final OffsetDateTime observedTimestamp) {
 109         final Collection<DataNode> dataNodeUpdates =
 110             buildDataNodeCollectionFromJson(dataspaceName, anchorName, parentNodeXpath, dataNodeUpdatesAsJson);
 111         for (final DataNode dataNodeUpdate : dataNodeUpdates) {
 112             processDataNodeUpdate(dataspaceName, anchorName, dataNodeUpdate);
 113         }
 114         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp);
 115     }
 116
 117     @Override
 118     public void replaceNodeTree(final String dataspaceName, final String anchorName, final String parentNodeXpath,
 119         final String jsonData, final OffsetDateTime observedTimestamp) {
 120         final var dataNode = buildDataNodeFromJson(dataspaceName, anchorName, parentNodeXpath, jsonData);
 121         cpsDataPersistenceService.replaceDataNodeTree(dataspaceName, anchorName, dataNode);
 122         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp);
 123     }
 124
 125     @Override
 126     public void replaceListNodeData(final String dataspaceName, final String anchorName, final String parentNodeXpath,
 127         final String jsonData, final OffsetDateTime observedTimestamp) {
 128         final Collection<DataNode> dataNodes =
 129             buildDataNodeCollectionFromJson(dataspaceName, anchorName, parentNodeXpath, jsonData);
 130         cpsDataPersistenceService.replaceListDataNodes(dataspaceName, anchorName, parentNodeXpath, dataNodes);
 131         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp);
 132     }
 133
 134     @Override
 135     public void deleteListNodeData(final String dataspaceName, final String anchorName, final String listNodeXpath,
 136         final OffsetDateTime observedTimestamp) {
 137         cpsDataPersistenceService.deleteListDataNodes(dataspaceName, anchorName, listNodeXpath);
 138         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp);
 139     }
 140
 141
 142     private DataNode buildDataNodeFromJson(final String dataspaceName, final String anchorName,
 143         final String parentNodeXpath, final String jsonData) {
 144
 145         final var anchor = cpsAdminService.getAnchor(dataspaceName, anchorName);
 146         final var schemaContext = getSchemaContext(dataspaceName, anchor.getSchemaSetName());
 147
 148         if (ROOT_NODE_XPATH.equals(parentNodeXpath)) {
 149             final NormalizedNode<?, ?> normalizedNode = YangUtils.parseJsonData(jsonData, schemaContext);
 150             return new DataNodeBuilder().withNormalizedNodeTree(normalizedNode).build();
 151         }
 152
 153         final NormalizedNode<?, ?> normalizedNode = YangUtils.parseJsonData(jsonData, schemaContext, parentNodeXpath);
 154         return new DataNodeBuilder()
 155             .withParentNodeXpath(parentNodeXpath)
 156             .withNormalizedNodeTree(normalizedNode)
 157             .build();
 158     }
 159
 160     private Collection<DataNode> buildDataNodeCollectionFromJson(final String dataspaceName, final String anchorName,
 161         final String parentNodeXpath, final String jsonData) {
 162
 163         final var anchor = cpsAdminService.getAnchor(dataspaceName, anchorName);
 164         final var schemaContext = getSchemaContext(dataspaceName, anchor.getSchemaSetName());
 165
 166         final NormalizedNode<?, ?> normalizedNode = YangUtils.parseJsonData(jsonData, schemaContext, parentNodeXpath);
 167         final Collection<DataNode> dataNodes = new DataNodeBuilder()
 168             .withParentNodeXpath(parentNodeXpath)
 169             .withNormalizedNodeTree(normalizedNode)
 170             .buildCollection();
 171         if (dataNodes.isEmpty()) {
 172             throw new DataValidationException("Invalid list data.", "List node is empty.");
 173         }
 174         return dataNodes;
 175
 176     }
 177
 178     private void processDataUpdatedEventAsync(final String dataspaceName, final String anchorName,
 179         final OffsetDateTime observedTimestamp) {
 180         try {
 181             notificationService.processDataUpdatedEvent(dataspaceName, anchorName, observedTimestamp);
 182         } catch (final Exception exception) {
 183             log.error("Failed to send message to notification service", exception);
 184         }
 185     }
 186
 187     private SchemaContext getSchemaContext(final String dataspaceName, final String schemaSetName) {
 188         return yangTextSchemaSourceSetCache.get(dataspaceName, schemaSetName).getSchemaContext();
 189     }
 190
 191     private void processDataNodeUpdate(final String dataspaceName, final String anchorName,
 192                                        final DataNode dataNodeUpdate) {
 193         if (dataNodeUpdate == null) {
 194             return;
 195         }
 196         cpsDataPersistenceService.updateDataLeaves(dataspaceName, anchorName, dataNodeUpdate.getXpath(),
 197             dataNodeUpdate.getLeaves());
 198         final Collection<DataNode> childDataNodeUpdates = dataNodeUpdate.getChildDataNodes();
 199         for (final DataNode childDataNodeUpdate : childDataNodeUpdates) {
 200             processDataNodeUpdate(dataspaceName, anchorName, childDataNodeUpdate);
 201         }
 202     }
 203 }