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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.*;
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource;
import org.apache.tinkerpop.gremlin.structure.Edge;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.onap.aai.db.props.AAIProperties;
import org.onap.aai.migration.Enabled;
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.serialization.db.*;
import org.onap.aai.serialization.db.exceptions.EdgeMultiplicityException;
import org.onap.aai.serialization.engines.TransactionalGraphEngine;
@Enabled
@MigrationPriority(0)
@MigrationDangerRating(1000)
public class ToscaMigration extends Migrator {
private boolean success = true;
EdgeRules ers = EdgeRules.getInstance();
public ToscaMigration(TransactionalGraphEngine graphEngine){
super(graphEngine);
}
@Override
public Status getStatus() {
if (success) {
return Status.SUCCESS;
} else {
return Status.FAILURE;
}
}
@Override
public void run() {
Vertex out = null;
Vertex in = null;
boolean isCousin = false;
String oldEdgeString = null;
Map<String,Integer> edgeMultiplicityExceptionCtr = new HashMap<>();
List<String> edgeMissingParentProperty = new ArrayList<>();
GraphTraversalSource g = engine.asAdmin().getTraversalSource();
try {
Set<Edge> edges = g.E().toSet();
for (Edge edge : edges) {
// skip if this edge was migrated in a previous run
if (edge.label().contains("org.") || edge.label().contains("tosca.")) {
continue;
}
out = edge.outVertex();
in = edge.inVertex();
isCousin = false;
if (out == null || in == null) {
logger.error(edge.id() + " invalid because one vertex was null: out=" + edge.outVertex() + " in=" + edge.inVertex());
} else {
if (edge.property("contains-other-v").isPresent()) {
isCousin = "NONE".equals(edge.property("contains-other-v").value());
} else if (edge.property("isParent").isPresent()) {
isCousin = !(Boolean)edge.property("isParent").value();
} else {
edgeMissingParentProperty.add(this.toStringForPrinting(edge, 1));
}
String inVertexNodeType = in.value(AAIProperties.NODE_TYPE);
String outVertexNodeType = out.value(AAIProperties.NODE_TYPE);
String label = null;
Set<String> edgeLabels = ers.getEdgeRules(outVertexNodeType,inVertexNodeType).keySet();
if (edgeLabels.isEmpty()) {
logger.error(edge.id() + " did not migrate as no edge rule found for: out=" + outVertexNodeType + " in=" + inVertexNodeType);
continue;
} else if (edgeLabels.size() > 1) {
if (edgeLabels.contains("org.onap.relationships.inventory.Source")) {
if ("sourceLInterface".equals(edge.label())) {
label = "org.onap.relationships.inventory.Source";
} else if ("targetLInterface".equals(edge.label())) {
label = "org.onap.relationships.inventory.Destination";
} else {
label = "tosca.relationships.network.LinksTo";
}
}
}
try {
if (isCousin) {
ers.addEdgeIfPossible(g, in, out, label);
} else {
ers.addTreeEdge(g, out, in);
}
edge.remove();
} catch (EdgeMultiplicityException edgeMultiplicityException) {
logger.warn("Edge Multiplicity Exception: "
+ "\nInV:\n" + this.toStringForPrinting(in, 1)
+ "Edge:\n" + this.toStringForPrinting(edge, 1)
+ "OutV:\n" + this.toStringForPrinting(out, 1)
);
final String mapKey = "OUT:" + outVertexNodeType + " " + (isCousin ? EdgeType.COUSIN.toString():EdgeType.TREE.toString()) + " " + "IN:" + inVertexNodeType;
if (edgeMultiplicityExceptionCtr.containsKey(mapKey)) {
edgeMultiplicityExceptionCtr.put(mapKey, edgeMultiplicityExceptionCtr.get(mapKey)+1);
} else {
edgeMultiplicityExceptionCtr.put(mapKey, 1);
}
}
}
}
} catch(Exception ex){
logger.error("exception occurred during migration, failing: out=" + out + " in=" + in + "edge=" + oldEdgeString, ex);
success = false;
}
logger.info("Edge Missing Parent Property Count: " + edgeMissingParentProperty.size());
logger.info("Edge Multiplicity Exception Count : " + edgeMultiplicityExceptionCtr.values().stream().mapToInt(Number::intValue).sum());
logger.info("Edge Multiplicity Exception Breakdown : " + edgeMultiplicityExceptionCtr);
}
@Override
public Optional<String[]> getAffectedNodeTypes() {
return Optional.empty();
}
@Override
public String getMigrationName() {
return "migrate-all-edges";
}
}
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