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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 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.onap.aai.migration.v12;
import java.util.Collection;
import java.util.List;
import java.util.Optional;
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal;
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.onap.aai.db.props.AAIProperties;
import org.onap.aai.edges.EdgeIngestor;
import org.onap.aai.exceptions.AAIException;
import org.onap.aai.introspection.LoaderFactory;
import org.onap.aai.migration.MigrationDangerRating;
import org.onap.aai.migration.MigrationPriority;
import org.onap.aai.migration.Migrator;
import org.onap.aai.migration.Status;
import org.onap.aai.edges.enums.EdgeType;
import org.onap.aai.serialization.db.EdgeSerializer;
import org.onap.aai.serialization.engines.TransactionalGraphEngine;
import org.onap.aai.setup.SchemaVersions;
@MigrationPriority(0)
@MigrationDangerRating(0)
public class DeletePInterface extends Migrator {
private boolean success = true;
private final GraphTraversalSource g;
public DeletePInterface(TransactionalGraphEngine engine, LoaderFactory loaderFactory, EdgeIngestor edgeIngestor, EdgeSerializer edgeSerializer, SchemaVersions schemaVersions) {
super(engine, loaderFactory, edgeIngestor, edgeSerializer, schemaVersions);
this.g = this.engine.asAdmin().getTraversalSource();
}
@Override
public void run() {
int count = 0;
int skipCount = 0;
int errorCount = 0;
logger.info("---------- Start deleting p-interfaces ----------");
List<Vertex> pIntfList;
try {
pIntfList = g.V().has(AAIProperties.NODE_TYPE, "p-interface").has("source-of-truth", "AAI-CSVP-INSTARAMS")
.where(this.engine.getQueryBuilder().createEdgeTraversal(EdgeType.TREE, "p-interface", "pnf")
.<GraphTraversal<?, ?>>getQuery()).toList();
if (pIntfList != null && !pIntfList.isEmpty()) {
for (Vertex pInterfV : pIntfList) {
try {
Collection<Vertex> cousins = this.engine.getQueryEngine().findCousinVertices(pInterfV);
Collection<Vertex> children = this.engine.getQueryEngine().findChildren(pInterfV);
if (cousins == null || cousins.isEmpty()) {
if (children == null || children.isEmpty()) {
logger.info("Delete p-interface: " + getVertexURI(pInterfV));
pInterfV.remove();
count++;
} else {
skipCount++;
logger.info("skip p-interface " + getVertexURI(pInterfV) + " due to an existing relationship");
}
} else {
skipCount++;
logger.info("skip p-interface " + getVertexURI(pInterfV) + " due to an existing relationship");
}
} catch (Exception e) {
success = false;
errorCount++;
logger.error("error occured in deleting p-interface " + getVertexURI(pInterfV) + ", "+ e);
}
}
logger.info ("\n \n ******* Final Summary for deleting p-interfaces Migration ********* \n");
logger.info("Number of p-interfaces removed: "+ count +"\n");
logger.info("Number of p-interfaces skipped: "+ skipCount +"\n");
logger.info("Number of p-interfaces failed to delete due to error : "+ errorCount +"\n");
}
} catch (AAIException e) {
success = false;
logger.error("error occured in deleting p-interfaces " + e);
}
}
private String getVertexURI(Vertex v) {
if (v != null) {
if (v.property("aai-uri").isPresent()) {
return v.property("aai-uri").value().toString();
} else {
return "Vertex ID: " + v.id().toString();
}
} else {
return "";
}
}
@Override
public Status getStatus() {
if (success) {
return Status.SUCCESS;
} else {
return Status.FAILURE;
}
}
@Override
public Optional<String[]> getAffectedNodeTypes() {
return Optional.of(new String[] { "p-interface" });
}
@Override
public String getMigrationName() {
return "DeletePInterface";
}
}
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