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

   1 /*
   2  *  ============LICENSE_START=======================================================
   3  *  Copyright (C) 2021-2022 Nordix Foundation
   4  *  Modifications Copyright (C) 2020-2022 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.AllArgsConstructor;
  28 import lombok.extern.slf4j.Slf4j;
  29 import org.onap.cps.api.CpsAdminService;
  30 import org.onap.cps.api.CpsDataService;
  31 import org.onap.cps.notification.NotificationService;
  32 import org.onap.cps.notification.Operation;
  33 import org.onap.cps.spi.CpsDataPersistenceService;
  34 import org.onap.cps.spi.FetchDescendantsOption;
  35 import org.onap.cps.spi.exceptions.DataValidationException;
  36 import org.onap.cps.spi.model.Anchor;
  37 import org.onap.cps.spi.model.DataNode;
  38 import org.onap.cps.spi.model.DataNodeBuilder;
  39 import org.onap.cps.utils.YangUtils;
  40 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  41 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  42 import org.springframework.stereotype.Service;
  43
  44 @Service
  45 @Slf4j
  46 @AllArgsConstructor
  47 public class CpsDataServiceImpl implements CpsDataService {
  48
  49     private static final String ROOT_NODE_XPATH = "/";
  50
  51     private final CpsDataPersistenceService cpsDataPersistenceService;
  52     private final CpsAdminService cpsAdminService;
  53     private final YangTextSchemaSourceSetCache yangTextSchemaSourceSetCache;
  54     private final NotificationService notificationService;
  55
  56     @Override
  57     public void saveData(final String dataspaceName, final String anchorName, final String jsonData,
  58         final OffsetDateTime observedTimestamp) {
  59         final var dataNode = buildDataNode(dataspaceName, anchorName, ROOT_NODE_XPATH, jsonData);
  60         cpsDataPersistenceService.storeDataNode(dataspaceName, anchorName, dataNode);
  61         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, ROOT_NODE_XPATH, Operation.CREATE);
  62     }
  63
  64     @Override
  65     public void saveData(final String dataspaceName, final String anchorName, final String parentNodeXpath,
  66         final String jsonData, final OffsetDateTime observedTimestamp) {
  67         final var dataNode = buildDataNode(dataspaceName, anchorName, parentNodeXpath, jsonData);
  68         cpsDataPersistenceService.addChildDataNode(dataspaceName, anchorName, parentNodeXpath, dataNode);
  69         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, parentNodeXpath, Operation.CREATE);
  70     }
  71
  72     @Override
  73     public void saveListElements(final String dataspaceName, final String anchorName,
  74         final String parentNodeXpath, final String jsonData, final OffsetDateTime observedTimestamp) {
  75         final Collection<DataNode> listElementDataNodeCollection =
  76             buildDataNodes(dataspaceName, anchorName, parentNodeXpath, jsonData);
  77         cpsDataPersistenceService.addListElements(dataspaceName, anchorName, parentNodeXpath,
  78             listElementDataNodeCollection);
  79         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, parentNodeXpath, Operation.UPDATE);
  80     }
  81
  82     @Override
  83     public DataNode getDataNode(final String dataspaceName, final String anchorName, final String xpath,
  84         final FetchDescendantsOption fetchDescendantsOption) {
  85         return cpsDataPersistenceService.getDataNode(dataspaceName, anchorName, xpath, fetchDescendantsOption);
  86     }
  87
  88     @Override
  89     public void updateNodeLeaves(final String dataspaceName, final String anchorName, final String parentNodeXpath,
  90         final String jsonData, final OffsetDateTime observedTimestamp) {
  91         final var dataNode = buildDataNode(dataspaceName, anchorName, parentNodeXpath, jsonData);
  92         cpsDataPersistenceService
  93             .updateDataLeaves(dataspaceName, anchorName, dataNode.getXpath(), dataNode.getLeaves());
  94         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, parentNodeXpath, Operation.UPDATE);
  95     }
  96
  97     @Override
  98     public void updateNodeLeavesAndExistingDescendantLeaves(final String dataspaceName, final String anchorName,
  99         final String parentNodeXpath,
 100         final String dataNodeUpdatesAsJson,
 101         final OffsetDateTime observedTimestamp) {
 102         final Collection<DataNode> dataNodeUpdates =
 103             buildDataNodes(dataspaceName, anchorName,
 104                 parentNodeXpath, dataNodeUpdatesAsJson);
 105         for (final DataNode dataNodeUpdate : dataNodeUpdates) {
 106             processDataNodeUpdate(dataspaceName, anchorName, dataNodeUpdate);
 107         }
 108         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, parentNodeXpath, Operation.UPDATE);
 109     }
 110
 111     @Override
 112     public void replaceNodeTree(final String dataspaceName, final String anchorName, final String parentNodeXpath,
 113         final String jsonData, final OffsetDateTime observedTimestamp) {
 114         final var dataNode = buildDataNode(dataspaceName, anchorName, parentNodeXpath, jsonData);
 115         cpsDataPersistenceService.replaceDataNodeTree(dataspaceName, anchorName, dataNode);
 116         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, parentNodeXpath, Operation.UPDATE);
 117     }
 118
 119     @Override
 120     public void replaceListContent(final String dataspaceName, final String anchorName, final String parentNodeXpath,
 121             final String jsonData, final OffsetDateTime observedTimestamp) {
 122         final Collection<DataNode> newListElements =
 123                 buildDataNodes(dataspaceName, anchorName, parentNodeXpath, jsonData);
 124         replaceListContent(dataspaceName, anchorName, parentNodeXpath, newListElements, observedTimestamp);
 125     }
 126
 127     @Override
 128     public void replaceListContent(final String dataspaceName, final String anchorName, final String parentNodeXpath,
 129             final Collection<DataNode> dataNodes, final OffsetDateTime observedTimestamp) {
 130         cpsDataPersistenceService.replaceListContent(dataspaceName, anchorName, parentNodeXpath, dataNodes);
 131         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, parentNodeXpath, Operation.UPDATE);
 132     }
 133
 134     @Override
 135     public void deleteDataNode(final String dataspaceName, final String anchorName, final String dataNodeXpath,
 136                                final OffsetDateTime observedTimestamp) {
 137         cpsDataPersistenceService.deleteDataNode(dataspaceName, anchorName, dataNodeXpath);
 138         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, dataNodeXpath, Operation.DELETE);
 139     }
 140
 141     @Override
 142     public void deleteDataNodes(final String dataspaceName, final String anchorName,
 143         final OffsetDateTime observedTimestamp) {
 144         final var anchor = cpsAdminService.getAnchor(dataspaceName, anchorName);
 145         cpsDataPersistenceService.deleteDataNodes(dataspaceName, anchorName);
 146         processDataUpdatedEventAsync(anchor, ROOT_NODE_XPATH, Operation.DELETE, observedTimestamp);
 147     }
 148
 149     @Override
 150     public void deleteListOrListElement(final String dataspaceName, final String anchorName, final String listNodeXpath,
 151         final OffsetDateTime observedTimestamp) {
 152         cpsDataPersistenceService.deleteListDataNode(dataspaceName, anchorName, listNodeXpath);
 153         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, listNodeXpath, Operation.DELETE);
 154     }
 155
 156     private DataNode buildDataNode(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         if (ROOT_NODE_XPATH.equals(parentNodeXpath)) {
 163             final NormalizedNode<?, ?> normalizedNode = YangUtils.parseJsonData(jsonData, schemaContext);
 164             return new DataNodeBuilder().withNormalizedNodeTree(normalizedNode).build();
 165         }
 166
 167         final NormalizedNode<?, ?> normalizedNode = YangUtils.parseJsonData(jsonData, schemaContext, parentNodeXpath);
 168         return new DataNodeBuilder()
 169             .withParentNodeXpath(parentNodeXpath)
 170             .withNormalizedNodeTree(normalizedNode)
 171             .build();
 172     }
 173
 174     private Collection<DataNode> buildDataNodes(final String dataspaceName,
 175                                                 final String anchorName,
 176                                                 final String parentNodeXpath,
 177                                                 final String jsonData) {
 178
 179         final var anchor = cpsAdminService.getAnchor(dataspaceName, anchorName);
 180         final var schemaContext = getSchemaContext(dataspaceName, anchor.getSchemaSetName());
 181
 182         final NormalizedNode<?, ?> normalizedNode = YangUtils.parseJsonData(jsonData, schemaContext, parentNodeXpath);
 183         final Collection<DataNode> dataNodes = new DataNodeBuilder()
 184             .withParentNodeXpath(parentNodeXpath)
 185             .withNormalizedNodeTree(normalizedNode)
 186             .buildCollection();
 187         if (dataNodes.isEmpty()) {
 188             throw new DataValidationException("Invalid data.", "No data nodes provided");
 189         }
 190         return dataNodes;
 191
 192     }
 193
 194     private void processDataUpdatedEventAsync(final String dataspaceName, final String anchorName,
 195                                               final OffsetDateTime observedTimestamp, final String xpath,
 196                                               final Operation operation) {
 197         final var anchor = cpsAdminService.getAnchor(dataspaceName, anchorName);
 198         this.processDataUpdatedEventAsync(anchor, xpath, operation, observedTimestamp);
 199     }
 200
 201     private void processDataUpdatedEventAsync(final Anchor anchor, final String xpath, final Operation operation,
 202         final OffsetDateTime observedTimestamp) {
 203         try {
 204             notificationService.processDataUpdatedEvent(anchor, observedTimestamp, xpath, operation);
 205         } catch (final Exception exception) {
 206             //If async message can't be queued for notification service, the initial request should not failed.
 207             log.error("Failed to send message to notification service", exception);
 208         }
 209     }
 210
 211     private SchemaContext getSchemaContext(final String dataspaceName, final String schemaSetName) {
 212         return yangTextSchemaSourceSetCache.get(dataspaceName, schemaSetName).getSchemaContext();
 213     }
 214
 215     private void processDataNodeUpdate(final String dataspaceName, final String anchorName,
 216                                        final DataNode dataNodeUpdate) {
 217         if (dataNodeUpdate == null) {
 218             return;
 219         }
 220         cpsDataPersistenceService.updateDataLeaves(dataspaceName, anchorName, dataNodeUpdate.getXpath(),
 221             dataNodeUpdate.getLeaves());
 222         final Collection<DataNode> childDataNodeUpdates = dataNodeUpdate.getChildDataNodes();
 223         for (final DataNode childDataNodeUpdate : childDataNodeUpdates) {
 224             processDataNodeUpdate(dataspaceName, anchorName, childDataNodeUpdate);
 225         }
 226     }
 227
 228 }