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/*-
* ============LICENSE_START=======================================================
* SDC
* ================================================================================
* Copyright (C) 2020 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.sdc.asdctool.migration.tasks;
import fj.data.Either;
import org.apache.tinkerpop.gremlin.structure.Direction;
import org.apache.tinkerpop.gremlin.structure.Edge;
import org.janusgraph.core.JanusGraphVertex;
import org.openecomp.sdc.asdctool.migration.tasks.mig2002.SdcCollapsingRolesRFCstateMigration;
import org.openecomp.sdc.be.dao.janusgraph.JanusGraphOperationStatus;
import org.openecomp.sdc.be.dao.jsongraph.GraphVertex;
import org.openecomp.sdc.be.dao.jsongraph.JanusGraphDao;
import org.openecomp.sdc.be.dao.jsongraph.types.EdgeLabelEnum;
import org.openecomp.sdc.be.dao.jsongraph.types.EdgePropertyEnum;
import org.openecomp.sdc.be.dao.jsongraph.types.JsonParseFlagEnum;
import org.openecomp.sdc.be.dao.jsongraph.types.VertexTypeEnum;
import org.openecomp.sdc.be.datatypes.enums.GraphPropertyEnum;
import org.openecomp.sdc.be.datatypes.enums.ResourceTypeEnum;
import org.openecomp.sdc.be.model.operations.api.StorageOperationStatus;
import org.openecomp.sdc.be.model.operations.impl.DaoStatusConverter;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.util.ArrayList;
import java.util.EnumMap;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
public abstract class InstanceMigrationBase {
private static final Logger log = LoggerFactory.getLogger(InstanceMigrationBase.class);
protected JanusGraphDao janusGraphDao;
public InstanceMigrationBase(JanusGraphDao janusGraphDao) {
this.janusGraphDao = janusGraphDao;
}
protected StorageOperationStatus upgradeTopologyTemplates() {
Map<GraphPropertyEnum, Object> hasNotProps = new EnumMap<>(GraphPropertyEnum.class);
hasNotProps.put(GraphPropertyEnum.IS_DELETED, true);
hasNotProps.put(GraphPropertyEnum.RESOURCE_TYPE, ResourceTypeEnum.CVFC);
return janusGraphDao.getByCriteria(VertexTypeEnum.TOPOLOGY_TEMPLATE, null, hasNotProps, JsonParseFlagEnum.ParseAll)
.either(this::proceed, this::handleError);
}
protected abstract StorageOperationStatus handleOneContainer(GraphVertex containerV);
protected StorageOperationStatus proceed(List<GraphVertex> containersV) {
int failureCounter = 0;
log.info("found {} vertices to migrate ", containersV.size());
for (GraphVertex container : containersV) {
StorageOperationStatus storageOperationStatus = handleOneContainer(container);
if (storageOperationStatus != StorageOperationStatus.OK) {
failureCounter++;
}
}
if (failureCounter > 0) {
log.info("Failed to update {} vertices", failureCounter);
} else {
log.info("All vertices were successfully updated");
}
return StorageOperationStatus.OK;
}
protected GraphVertex getVertexById(String vertexId) {
Either<GraphVertex, JanusGraphOperationStatus> vertexById = janusGraphDao.getVertexById(vertexId);
if (vertexById.isRight()) {
log.info("Exception occurred while query vertexId: {} exception: {} " + vertexId + vertexById.right().value());
return null;
}
else return vertexById.left().value();
}
protected StorageOperationStatus updateVertexAndCommit(GraphVertex graphVertex) {
StorageOperationStatus status;
if ((status = janusGraphDao.updateVertex(graphVertex)
.either(v -> StorageOperationStatus.OK, this::handleError)) != StorageOperationStatus.OK) {
return status;
}
return DaoStatusConverter.convertJanusGraphStatusToStorageStatus(janusGraphDao.commit());
}
protected StorageOperationStatus handleError(JanusGraphOperationStatus err) {
return DaoStatusConverter.convertJanusGraphStatusToStorageStatus(JanusGraphOperationStatus.NOT_FOUND == err ? JanusGraphOperationStatus.OK : err);
}
protected void removeEdges(Iterator<Edge> edges) {
while (edges.hasNext()) {
Edge edge = edges.next();
edge.remove();
}
}
protected void removeEdgesInState(Iterator<Edge> edges, String state) {
while (edges.hasNext()) {
Edge edge = edges.next();
String edgeState = (String) janusGraphDao.getProperty(edge, EdgePropertyEnum.STATE);
if (edgeState.equals(state)) {
edge.remove();
}
}
}
protected void updateEdgeProperty(EdgePropertyEnum property, String value, Iterator<Edge> edges) throws IOException {
while (edges.hasNext()) {
Edge edge = edges.next();
Map<EdgePropertyEnum, Object> prop = new HashMap<>();
prop.put(property, value);
janusGraphDao.setEdgeProperties(edge, prop);
}
}
// check if user has both edges state and last_state
protected boolean sameUser(List<JanusGraphVertex> stateList, List<JanusGraphVertex> lastStateList) {
for (JanusGraphVertex lsVertex : lastStateList) {
String idLs = (String) janusGraphDao.getProperty(lsVertex, GraphPropertyEnum.USERID.getProperty());
String idSt = (String) janusGraphDao.getProperty(stateList.get(0), GraphPropertyEnum.USERID.getProperty());
if (idLs.equals(idSt)) {
return true;
}
}
return false;
}
protected List<JanusGraphVertex> getVertexByEdgeSide(Iterator<Edge> edges, SdcCollapsingRolesRFCstateMigration.EdgeSide side) {
List<JanusGraphVertex> vertexList = new ArrayList();
while (edges.hasNext()) {
Edge edge = edges.next();
if (side == SdcCollapsingRolesRFCstateMigration.EdgeSide.OUT) {
vertexList.add((JanusGraphVertex) edge.outVertex());
} else {
vertexList.add((JanusGraphVertex) edge.inVertex());
}
}
return vertexList;
}
protected Iterator<Edge> getVertexEdge(GraphVertex containerV, Direction direction, EdgeLabelEnum edgeLabel) {
return containerV.getVertex().edges(direction, edgeLabel.name());
}
public enum EdgeSide {
IN, OUT;
}
}
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