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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2021-2022 Nordix Foundation
* Modifications Copyright (C) 2020-2022 Bell Canada.
* Modifications Copyright (C) 2021 Pantheon.tech
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.cps.api.impl;
import java.time.OffsetDateTime;
import java.util.Collection;
import lombok.AllArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.onap.cps.api.CpsAdminService;
import org.onap.cps.api.CpsDataService;
import org.onap.cps.notification.NotificationService;
import org.onap.cps.notification.Operation;
import org.onap.cps.spi.CpsDataPersistenceService;
import org.onap.cps.spi.FetchDescendantsOption;
import org.onap.cps.spi.exceptions.DataValidationException;
import org.onap.cps.spi.model.Anchor;
import org.onap.cps.spi.model.DataNode;
import org.onap.cps.spi.model.DataNodeBuilder;
import org.onap.cps.utils.YangUtils;
import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.springframework.stereotype.Service;
@Service
@Slf4j
@AllArgsConstructor
public class CpsDataServiceImpl implements CpsDataService {
private static final String ROOT_NODE_XPATH = "/";
private final CpsDataPersistenceService cpsDataPersistenceService;
private final CpsAdminService cpsAdminService;
private final YangTextSchemaSourceSetCache yangTextSchemaSourceSetCache;
private final NotificationService notificationService;
@Override
public void saveData(final String dataspaceName, final String anchorName, final String jsonData,
final OffsetDateTime observedTimestamp) {
final var dataNode = buildDataNode(dataspaceName, anchorName, ROOT_NODE_XPATH, jsonData);
cpsDataPersistenceService.storeDataNode(dataspaceName, anchorName, dataNode);
processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, ROOT_NODE_XPATH, Operation.CREATE);
}
@Override
public void saveData(final String dataspaceName, final String anchorName, final String parentNodeXpath,
final String jsonData, final OffsetDateTime observedTimestamp) {
final var dataNode = buildDataNode(dataspaceName, anchorName, parentNodeXpath, jsonData);
cpsDataPersistenceService.addChildDataNode(dataspaceName, anchorName, parentNodeXpath, dataNode);
processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, parentNodeXpath, Operation.CREATE);
}
@Override
public void saveListElements(final String dataspaceName, final String anchorName,
final String parentNodeXpath, final String jsonData, final OffsetDateTime observedTimestamp) {
final Collection<DataNode> listElementDataNodeCollection =
buildDataNodes(dataspaceName, anchorName, parentNodeXpath, jsonData);
cpsDataPersistenceService.addListElements(dataspaceName, anchorName, parentNodeXpath,
listElementDataNodeCollection);
processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, parentNodeXpath, Operation.UPDATE);
}
@Override
public DataNode getDataNode(final String dataspaceName, final String anchorName, final String xpath,
final FetchDescendantsOption fetchDescendantsOption) {
return cpsDataPersistenceService.getDataNode(dataspaceName, anchorName, xpath, fetchDescendantsOption);
}
@Override
public void updateNodeLeaves(final String dataspaceName, final String anchorName, final String parentNodeXpath,
final String jsonData, final OffsetDateTime observedTimestamp) {
final var dataNode = buildDataNode(dataspaceName, anchorName, parentNodeXpath, jsonData);
cpsDataPersistenceService
.updateDataLeaves(dataspaceName, anchorName, dataNode.getXpath(), dataNode.getLeaves());
processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, parentNodeXpath, Operation.UPDATE);
}
@Override
public void updateNodeLeavesAndExistingDescendantLeaves(final String dataspaceName, final String anchorName,
final String parentNodeXpath,
final String dataNodeUpdatesAsJson,
final OffsetDateTime observedTimestamp) {
final Collection<DataNode> dataNodeUpdates =
buildDataNodes(dataspaceName, anchorName,
parentNodeXpath, dataNodeUpdatesAsJson);
for (final DataNode dataNodeUpdate : dataNodeUpdates) {
processDataNodeUpdate(dataspaceName, anchorName, dataNodeUpdate);
}
processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, parentNodeXpath, Operation.UPDATE);
}
@Override
public String startSession() {
final String sessionId = cpsDataPersistenceService.startSession();
return sessionId;
}
@Override
public void closeSession(final String sessionId) {
cpsDataPersistenceService.closeSession(sessionId);
}
@Override
public void replaceNodeTree(final String dataspaceName, final String anchorName, final String parentNodeXpath,
final String jsonData, final OffsetDateTime observedTimestamp) {
final var dataNode = buildDataNode(dataspaceName, anchorName, parentNodeXpath, jsonData);
cpsDataPersistenceService.replaceDataNodeTree(dataspaceName, anchorName, dataNode);
processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, parentNodeXpath, Operation.UPDATE);
}
@Override
public void replaceListContent(final String dataspaceName, final String anchorName, final String parentNodeXpath,
final String jsonData, final OffsetDateTime observedTimestamp) {
final Collection<DataNode> newListElements =
buildDataNodes(dataspaceName, anchorName, parentNodeXpath, jsonData);
replaceListContent(dataspaceName, anchorName, parentNodeXpath, newListElements, observedTimestamp);
}
@Override
public void replaceListContent(final String dataspaceName, final String anchorName, final String parentNodeXpath,
final Collection<DataNode> dataNodes, final OffsetDateTime observedTimestamp) {
cpsDataPersistenceService.replaceListContent(dataspaceName, anchorName, parentNodeXpath, dataNodes);
processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, parentNodeXpath, Operation.UPDATE);
}
@Override
public void deleteDataNode(final String dataspaceName, final String anchorName, final String dataNodeXpath,
final OffsetDateTime observedTimestamp) {
cpsDataPersistenceService.deleteDataNode(dataspaceName, anchorName, dataNodeXpath);
processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, dataNodeXpath, Operation.DELETE);
}
@Override
public void deleteDataNodes(final String dataspaceName, final String anchorName,
final OffsetDateTime observedTimestamp) {
final var anchor = cpsAdminService.getAnchor(dataspaceName, anchorName);
cpsDataPersistenceService.deleteDataNodes(dataspaceName, anchorName);
processDataUpdatedEventAsync(anchor, ROOT_NODE_XPATH, Operation.DELETE, observedTimestamp);
}
@Override
public void deleteListOrListElement(final String dataspaceName, final String anchorName, final String listNodeXpath,
final OffsetDateTime observedTimestamp) {
cpsDataPersistenceService.deleteListDataNode(dataspaceName, anchorName, listNodeXpath);
processDataUpdatedEventAsync(dataspaceName, anchorName, observedTimestamp, listNodeXpath, Operation.DELETE);
}
private DataNode buildDataNode(final String dataspaceName, final String anchorName,
final String parentNodeXpath, final String jsonData) {
final var anchor = cpsAdminService.getAnchor(dataspaceName, anchorName);
final var schemaContext = getSchemaContext(dataspaceName, anchor.getSchemaSetName());
if (ROOT_NODE_XPATH.equals(parentNodeXpath)) {
final NormalizedNode<?, ?> normalizedNode = YangUtils.parseJsonData(jsonData, schemaContext);
return new DataNodeBuilder().withNormalizedNodeTree(normalizedNode).build();
}
final NormalizedNode<?, ?> normalizedNode = YangUtils.parseJsonData(jsonData, schemaContext, parentNodeXpath);
return new DataNodeBuilder()
.withParentNodeXpath(parentNodeXpath)
.withNormalizedNodeTree(normalizedNode)
.build();
}
private Collection<DataNode> buildDataNodes(final String dataspaceName,
final String anchorName,
final String parentNodeXpath,
final String jsonData) {
final var anchor = cpsAdminService.getAnchor(dataspaceName, anchorName);
final var schemaContext = getSchemaContext(dataspaceName, anchor.getSchemaSetName());
final NormalizedNode<?, ?> normalizedNode = YangUtils.parseJsonData(jsonData, schemaContext, parentNodeXpath);
final Collection<DataNode> dataNodes = new DataNodeBuilder()
.withParentNodeXpath(parentNodeXpath)
.withNormalizedNodeTree(normalizedNode)
.buildCollection();
if (dataNodes.isEmpty()) {
throw new DataValidationException("Invalid data.", "No data nodes provided");
}
return dataNodes;
}
private void processDataUpdatedEventAsync(final String dataspaceName, final String anchorName,
final OffsetDateTime observedTimestamp, final String xpath,
final Operation operation) {
final var anchor = cpsAdminService.getAnchor(dataspaceName, anchorName);
this.processDataUpdatedEventAsync(anchor, xpath, operation, observedTimestamp);
}
private void processDataUpdatedEventAsync(final Anchor anchor, final String xpath, final Operation operation,
final OffsetDateTime observedTimestamp) {
try {
notificationService.processDataUpdatedEvent(anchor, observedTimestamp, xpath, operation);
} catch (final Exception exception) {
//If async message can't be queued for notification service, the initial request should not failed.
log.error("Failed to send message to notification service", exception);
}
}
private SchemaContext getSchemaContext(final String dataspaceName, final String schemaSetName) {
return yangTextSchemaSourceSetCache.get(dataspaceName, schemaSetName).getSchemaContext();
}
private void processDataNodeUpdate(final String dataspaceName, final String anchorName,
final DataNode dataNodeUpdate) {
if (dataNodeUpdate == null) {
return;
}
cpsDataPersistenceService.updateDataLeaves(dataspaceName, anchorName, dataNodeUpdate.getXpath(),
dataNodeUpdate.getLeaves());
final Collection<DataNode> childDataNodeUpdates = dataNodeUpdate.getChildDataNodes();
for (final DataNode childDataNodeUpdate : childDataNodeUpdates) {
processDataNodeUpdate(dataspaceName, anchorName, childDataNodeUpdate);
}
}
}
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