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 = buildDataNode(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 = buildDataNode(dataspaceName, anchorName, parentNodeXpath, jsonData);
  76         cpsDataPersistenceService.addChildDataNode(dataspaceName, anchorName, parentNodeXpath, dataNode);
  77         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp);
  78     }
  79
  80     @Override
  81     public void saveListElements(final String dataspaceName, final String anchorName,
  82         final String parentNodeXpath, final String jsonData, final OffsetDateTime observedTimestamp) {
  83         final Collection<DataNode> listElementDataNodeCollection =
  84             buildDataNodes(dataspaceName, anchorName, parentNodeXpath, jsonData);
  85         cpsDataPersistenceService.addListElements(dataspaceName, anchorName, parentNodeXpath,
  86             listElementDataNodeCollection);
  87         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp);
  88     }
  89
  90     @Override
  91     public DataNode getDataNode(final String dataspaceName, final String anchorName, final String xpath,
  92         final FetchDescendantsOption fetchDescendantsOption) {
  93         return cpsDataPersistenceService.getDataNode(dataspaceName, anchorName, xpath, fetchDescendantsOption);
  94     }
  95
  96     @Override
  97     public void updateNodeLeaves(final String dataspaceName, final String anchorName, final String parentNodeXpath,
  98         final String jsonData, final OffsetDateTime observedTimestamp) {
  99         final var dataNode = buildDataNode(dataspaceName, anchorName, parentNodeXpath, jsonData);
 100         cpsDataPersistenceService
 101             .updateDataLeaves(dataspaceName, anchorName, dataNode.getXpath(), dataNode.getLeaves());
 102         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp);
 103     }
 104
 105     @Override
 106     public void updateNodeLeavesAndExistingDescendantLeaves(final String dataspaceName, final String anchorName,
 107         final String parentNodeXpath,
 108         final String dataNodeUpdatesAsJson,
 109         final OffsetDateTime observedTimestamp) {
 110         final Collection<DataNode> dataNodeUpdates =
 111             buildDataNodes(dataspaceName, anchorName,
 112                 parentNodeXpath, dataNodeUpdatesAsJson);
 113         for (final DataNode dataNodeUpdate : dataNodeUpdates) {
 114             processDataNodeUpdate(dataspaceName, anchorName, dataNodeUpdate);
 115         }
 116         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp);
 117     }
 118
 119     @Override
 120     public void replaceNodeTree(final String dataspaceName, final String anchorName, final String parentNodeXpath,
 121         final String jsonData, final OffsetDateTime observedTimestamp) {
 122         final var dataNode = buildDataNode(dataspaceName, anchorName, parentNodeXpath, jsonData);
 123         cpsDataPersistenceService.replaceDataNodeTree(dataspaceName, anchorName, dataNode);
 124         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp);
 125     }
 126
 127     @Override
 128     public void replaceListContent(final String dataspaceName, final String anchorName, final String parentNodeXpath,
 129                                    final String jsonData, final OffsetDateTime observedTimestamp) {
 130         final Collection<DataNode> newListElements =
 131             buildDataNodes(dataspaceName, anchorName, parentNodeXpath, jsonData);
 132         cpsDataPersistenceService.replaceListContent(dataspaceName, anchorName, parentNodeXpath, newListElements);
 133         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp);
 134     }
 135
 136     @Override
 137     public void deleteDataNode(final String dataspaceName, final String anchorName, final String dataNodeXpath,
 138                                final OffsetDateTime observedTimestamp) {
 139         cpsDataPersistenceService.deleteDataNode(dataspaceName, anchorName, dataNodeXpath);
 140         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp);
 141     }
 142
 143     @Override
 144     public void deleteListOrListElement(final String dataspaceName, final String anchorName, final String listNodeXpath,
 145         final OffsetDateTime observedTimestamp) {
 146         cpsDataPersistenceService.deleteListDataNode(dataspaceName, anchorName, listNodeXpath);
 147         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp);
 148     }
 149
 150     private DataNode buildDataNode(final String dataspaceName, final String anchorName,
 151                                    final String parentNodeXpath, final String jsonData) {
 152
 153         final var anchor = cpsAdminService.getAnchor(dataspaceName, anchorName);
 154         final var schemaContext = getSchemaContext(dataspaceName, anchor.getSchemaSetName());
 155
 156         if (ROOT_NODE_XPATH.equals(parentNodeXpath)) {
 157             final NormalizedNode<?, ?> normalizedNode = YangUtils.parseJsonData(jsonData, schemaContext);
 158             return new DataNodeBuilder().withNormalizedNodeTree(normalizedNode).build();
 159         }
 160
 161         final NormalizedNode<?, ?> normalizedNode = YangUtils.parseJsonData(jsonData, schemaContext, parentNodeXpath);
 162         return new DataNodeBuilder()
 163             .withParentNodeXpath(parentNodeXpath)
 164             .withNormalizedNodeTree(normalizedNode)
 165             .build();
 166     }
 167
 168     private Collection<DataNode> buildDataNodes(final String dataspaceName,
 169                                                 final String anchorName,
 170                                                 final String parentNodeXpath,
 171                                                 final String jsonData) {
 172
 173         final var anchor = cpsAdminService.getAnchor(dataspaceName, anchorName);
 174         final var schemaContext = getSchemaContext(dataspaceName, anchor.getSchemaSetName());
 175
 176         final NormalizedNode<?, ?> normalizedNode = YangUtils.parseJsonData(jsonData, schemaContext, parentNodeXpath);
 177         final Collection<DataNode> dataNodes = new DataNodeBuilder()
 178             .withParentNodeXpath(parentNodeXpath)
 179             .withNormalizedNodeTree(normalizedNode)
 180             .buildCollection();
 181         if (dataNodes.isEmpty()) {
 182             throw new DataValidationException("Invalid data.", "No data nodes provided");
 183         }
 184         return dataNodes;
 185
 186     }
 187
 188     private void processDataUpdatedEventAsync(final String dataspaceName, final String anchorName,
 189         final OffsetDateTime observedTimestamp) {
 190         try {
 191             notificationService.processDataUpdatedEvent(dataspaceName, anchorName, observedTimestamp);
 192         } catch (final Exception exception) {
 193             log.error("Failed to send message to notification service", exception);
 194         }
 195     }
 196
 197     private SchemaContext getSchemaContext(final String dataspaceName, final String schemaSetName) {
 198         return yangTextSchemaSourceSetCache.get(dataspaceName, schemaSetName).getSchemaContext();
 199     }
 200
 201     private void processDataNodeUpdate(final String dataspaceName, final String anchorName,
 202                                        final DataNode dataNodeUpdate) {
 203         if (dataNodeUpdate == null) {
 204             return;
 205         }
 206         cpsDataPersistenceService.updateDataLeaves(dataspaceName, anchorName, dataNodeUpdate.getXpath(),
 207             dataNodeUpdate.getLeaves());
 208         final Collection<DataNode> childDataNodeUpdates = dataNodeUpdate.getChildDataNodes();
 209         for (final DataNode childDataNodeUpdate : childDataNodeUpdates) {
 210             processDataNodeUpdate(dataspaceName, anchorName, childDataNodeUpdate);
 211         }
 212     }
 213 }