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) 2020-2022 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.DataNode;
  37 import org.onap.cps.spi.model.DataNodeBuilder;
  38 import org.onap.cps.utils.YangUtils;
  39 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  40 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  41 import org.springframework.stereotype.Service;
  42
  43 @Service
  44 @Slf4j
  45 @AllArgsConstructor
  46 public class CpsDataServiceImpl implements CpsDataService {
  47
  48     private static final String ROOT_NODE_XPATH = "/";
  49
  50     private final CpsDataPersistenceService cpsDataPersistenceService;
  51     private final CpsAdminService cpsAdminService;
  52     private final YangTextSchemaSourceSetCache yangTextSchemaSourceSetCache;
  53     private final NotificationService notificationService;
  54
  55     @Override
  56     public void saveData(final String dataspaceName, final String anchorName, final String jsonData,
  57         final OffsetDateTime observedTimestamp) {
  58         final var dataNode = buildDataNode(dataspaceName, anchorName, ROOT_NODE_XPATH, jsonData);
  59         cpsDataPersistenceService.storeDataNode(dataspaceName, anchorName, dataNode);
  60         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, ROOT_NODE_XPATH, Operation.CREATE);
  61     }
  62
  63     @Override
  64     public void saveData(final String dataspaceName, final String anchorName, final String parentNodeXpath,
  65         final String jsonData, final OffsetDateTime observedTimestamp) {
  66         final var dataNode = buildDataNode(dataspaceName, anchorName, parentNodeXpath, jsonData);
  67         cpsDataPersistenceService.addChildDataNode(dataspaceName, anchorName, parentNodeXpath, dataNode);
  68         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, parentNodeXpath, Operation.CREATE);
  69     }
  70
  71     @Override
  72     public void saveListElements(final String dataspaceName, final String anchorName,
  73         final String parentNodeXpath, final String jsonData, final OffsetDateTime observedTimestamp) {
  74         final Collection<DataNode> listElementDataNodeCollection =
  75             buildDataNodes(dataspaceName, anchorName, parentNodeXpath, jsonData);
  76         cpsDataPersistenceService.addListElements(dataspaceName, anchorName, parentNodeXpath,
  77             listElementDataNodeCollection);
  78         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, parentNodeXpath, Operation.UPDATE);
  79     }
  80
  81     @Override
  82     public DataNode getDataNode(final String dataspaceName, final String anchorName, final String xpath,
  83         final FetchDescendantsOption fetchDescendantsOption) {
  84         return cpsDataPersistenceService.getDataNode(dataspaceName, anchorName, xpath, fetchDescendantsOption);
  85     }
  86
  87     @Override
  88     public void updateNodeLeaves(final String dataspaceName, final String anchorName, final String parentNodeXpath,
  89         final String jsonData, final OffsetDateTime observedTimestamp) {
  90         final var dataNode = buildDataNode(dataspaceName, anchorName, parentNodeXpath, jsonData);
  91         cpsDataPersistenceService
  92             .updateDataLeaves(dataspaceName, anchorName, dataNode.getXpath(), dataNode.getLeaves());
  93         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, parentNodeXpath, Operation.UPDATE);
  94     }
  95
  96     @Override
  97     public void updateNodeLeavesAndExistingDescendantLeaves(final String dataspaceName, final String anchorName,
  98         final String parentNodeXpath,
  99         final String dataNodeUpdatesAsJson,
 100         final OffsetDateTime observedTimestamp) {
 101         final Collection<DataNode> dataNodeUpdates =
 102             buildDataNodes(dataspaceName, anchorName,
 103                 parentNodeXpath, dataNodeUpdatesAsJson);
 104         for (final DataNode dataNodeUpdate : dataNodeUpdates) {
 105             processDataNodeUpdate(dataspaceName, anchorName, dataNodeUpdate);
 106         }
 107         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, parentNodeXpath, Operation.UPDATE);
 108     }
 109
 110     @Override
 111     public void replaceNodeTree(final String dataspaceName, final String anchorName, final String parentNodeXpath,
 112         final String jsonData, final OffsetDateTime observedTimestamp) {
 113         final var dataNode = buildDataNode(dataspaceName, anchorName, parentNodeXpath, jsonData);
 114         cpsDataPersistenceService.replaceDataNodeTree(dataspaceName, anchorName, dataNode);
 115         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, parentNodeXpath, Operation.UPDATE);
 116     }
 117
 118     @Override
 119     public void replaceListContent(final String dataspaceName, final String anchorName, final String parentNodeXpath,
 120                                    final String jsonData, final OffsetDateTime observedTimestamp) {
 121         final Collection<DataNode> newListElements =
 122             buildDataNodes(dataspaceName, anchorName, parentNodeXpath, jsonData);
 123         cpsDataPersistenceService.replaceListContent(dataspaceName, anchorName, parentNodeXpath, newListElements);
 124         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, parentNodeXpath, Operation.UPDATE);
 125     }
 126
 127     @Override
 128     public void deleteDataNode(final String dataspaceName, final String anchorName, final String dataNodeXpath,
 129                                final OffsetDateTime observedTimestamp) {
 130         cpsDataPersistenceService.deleteDataNode(dataspaceName, anchorName, dataNodeXpath);
 131         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, dataNodeXpath, Operation.DELETE);
 132     }
 133
 134     @Override
 135     public void deleteDataNodes(final String dataspaceName, final String anchorName,
 136         final OffsetDateTime observedTimestamp) {
 137         cpsDataPersistenceService.deleteDataNodes(dataspaceName, anchorName);
 138     }
 139
 140     @Override
 141     public void deleteListOrListElement(final String dataspaceName, final String anchorName, final String listNodeXpath,
 142         final OffsetDateTime observedTimestamp) {
 143         cpsDataPersistenceService.deleteListDataNode(dataspaceName, anchorName, listNodeXpath);
 144         processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, listNodeXpath, Operation.DELETE);
 145     }
 146
 147     private DataNode buildDataNode(final String dataspaceName, final String anchorName,
 148                                    final String parentNodeXpath, final String jsonData) {
 149
 150         final var anchor = cpsAdminService.getAnchor(dataspaceName, anchorName);
 151         final var schemaContext = getSchemaContext(dataspaceName, anchor.getSchemaSetName());
 152
 153         if (ROOT_NODE_XPATH.equals(parentNodeXpath)) {
 154             final NormalizedNode<?, ?> normalizedNode = YangUtils.parseJsonData(jsonData, schemaContext);
 155             return new DataNodeBuilder().withNormalizedNodeTree(normalizedNode).build();
 156         }
 157
 158         final NormalizedNode<?, ?> normalizedNode = YangUtils.parseJsonData(jsonData, schemaContext, parentNodeXpath);
 159         return new DataNodeBuilder()
 160             .withParentNodeXpath(parentNodeXpath)
 161             .withNormalizedNodeTree(normalizedNode)
 162             .build();
 163     }
 164
 165     private Collection<DataNode> buildDataNodes(final String dataspaceName,
 166                                                 final String anchorName,
 167                                                 final String parentNodeXpath,
 168                                                 final String jsonData) {
 169
 170         final var anchor = cpsAdminService.getAnchor(dataspaceName, anchorName);
 171         final var schemaContext = getSchemaContext(dataspaceName, anchor.getSchemaSetName());
 172
 173         final NormalizedNode<?, ?> normalizedNode = YangUtils.parseJsonData(jsonData, schemaContext, parentNodeXpath);
 174         final Collection<DataNode> dataNodes = new DataNodeBuilder()
 175             .withParentNodeXpath(parentNodeXpath)
 176             .withNormalizedNodeTree(normalizedNode)
 177             .buildCollection();
 178         if (dataNodes.isEmpty()) {
 179             throw new DataValidationException("Invalid data.", "No data nodes provided");
 180         }
 181         return dataNodes;
 182
 183     }
 184
 185     private void processDataUpdatedEventAsync(final String dataspaceName, final String anchorName,
 186                                               final OffsetDateTime observedTimestamp, final String xpath,
 187                                               final Operation operation) {
 188         try {
 189             notificationService.processDataUpdatedEvent(dataspaceName, anchorName, observedTimestamp, xpath, operation);
 190         } catch (final Exception exception) {
 191             log.error("Failed to send message to notification service", exception);
 192         }
 193     }
 194
 195     private SchemaContext getSchemaContext(final String dataspaceName, final String schemaSetName) {
 196         return yangTextSchemaSourceSetCache.get(dataspaceName, schemaSetName).getSchemaContext();
 197     }
 198
 199     private void processDataNodeUpdate(final String dataspaceName, final String anchorName,
 200                                        final DataNode dataNodeUpdate) {
 201         if (dataNodeUpdate == null) {
 202             return;
 203         }
 204         cpsDataPersistenceService.updateDataLeaves(dataspaceName, anchorName, dataNodeUpdate.getXpath(),
 205             dataNodeUpdate.getLeaves());
 206         final Collection<DataNode> childDataNodeUpdates = dataNodeUpdate.getChildDataNodes();
 207         for (final DataNode childDataNodeUpdate : childDataNodeUpdates) {
 208             processDataNodeUpdate(dataspaceName, anchorName, childDataNodeUpdate);
 209         }
 210     }
 211
 212 }