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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.db.schema;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.janusgraph.core.EdgeLabel;
import org.janusgraph.core.JanusGraph;
import org.janusgraph.core.PropertyKey;
import org.janusgraph.core.schema.JanusGraphIndex;
import org.janusgraph.core.schema.JanusGraphManagement;
import java.util.Iterator;
import java.util.LinkedHashSet;
public class AuditJanusGraph extends Auditor {
private final JanusGraph graph;
/**
* Instantiates a new audit JanusGraph.
*
* @param g the g
*/
public AuditJanusGraph (JanusGraph g) {
this.graph = g;
buildSchema();
}
/**
* Builds the schema.
*/
private void buildSchema() {
populateProperties();
populateIndexes();
populateEdgeLabels();
}
/**
* Populate properties.
*/
private void populateProperties() {
JanusGraphManagement mgmt = graph.openManagement();
Iterable<PropertyKey> iterable = mgmt.getRelationTypes(PropertyKey.class);
Iterator<PropertyKey> JanusGraphProperties = iterable.iterator();
PropertyKey propKey;
while (JanusGraphProperties.hasNext()) {
propKey = JanusGraphProperties.next();
DBProperty prop = new DBProperty();
prop.setName(propKey.name());
prop.setCardinality(propKey.cardinality());
prop.setTypeClass(propKey.dataType());
this.properties.put(prop.getName(), prop);
}
}
/**
* Populate indexes.
*/
private void populateIndexes() {
JanusGraphManagement mgmt = graph.openManagement();
Iterable<JanusGraphIndex> iterable = mgmt.getGraphIndexes(Vertex.class);
Iterator<JanusGraphIndex> JanusGraphIndexes = iterable.iterator();
JanusGraphIndex JanusGraphIndex;
while (JanusGraphIndexes.hasNext()) {
JanusGraphIndex = JanusGraphIndexes.next();
if (JanusGraphIndex.isCompositeIndex()) {
DBIndex index = new DBIndex();
LinkedHashSet<DBProperty> dbProperties = new LinkedHashSet<>();
index.setName(JanusGraphIndex.name());
index.setUnique(JanusGraphIndex.isUnique());
PropertyKey[] keys = JanusGraphIndex.getFieldKeys();
for (PropertyKey key : keys) {
dbProperties.add(this.properties.get(key.name()));
}
index.setProperties(dbProperties);
index.setStatus(JanusGraphIndex.getIndexStatus(keys[0]));
this.indexes.put(index.getName(), index);
}
}
}
/**
* Populate edge labels.
*/
private void populateEdgeLabels() {
JanusGraphManagement mgmt = graph.openManagement();
Iterable<EdgeLabel> iterable = mgmt.getRelationTypes(EdgeLabel.class);
Iterator<EdgeLabel> JanusGraphEdgeLabels = iterable.iterator();
EdgeLabel edgeLabel;
while (JanusGraphEdgeLabels.hasNext()) {
edgeLabel = JanusGraphEdgeLabels.next();
EdgeProperty edgeProperty = new EdgeProperty();
edgeProperty.setName(edgeLabel.name());
edgeProperty.setMultiplicity(edgeLabel.multiplicity());
this.edgeLabels.put(edgeProperty.getName(), edgeProperty);
}
}
}
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