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/**
* ============LICENSE_START==========================================
* org.onap.aai
* ===================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* Copyright © 2017 Amdocs
* ===================================================================
* 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============================================
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*/
package org.onap.aai.champcore.transform;
import java.util.Iterator;
import org.apache.tinkerpop.gremlin.structure.Edge;
import org.apache.tinkerpop.gremlin.structure.Property;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.apache.tinkerpop.gremlin.structure.VertexProperty;
import org.onap.aai.champcore.exceptions.ChampUnmarshallingException;
import org.onap.aai.champcore.model.ChampObject;
import org.onap.aai.champcore.model.ChampRelationship;
import org.onap.aai.champcore.model.fluent.object.ObjectBuildOrPropertiesStep;
import org.onap.aai.champcore.model.fluent.relationship.RelationshipBuildOrPropertiesStep;
public final class TinkerpopChampformer implements Champformer<Vertex, Edge> {
@Override
public Vertex marshallObject(ChampObject object) throws ChampUnmarshallingException {
throw new UnsupportedOperationException("Cannot marshall object to Tinkerpop Vertex without adding it to a graph");
}
@Override
public Edge marshallRelationship(ChampRelationship relationship) throws ChampUnmarshallingException {
throw new UnsupportedOperationException("Cannot marshall relationships to Tinkerpop Edge without adding it to a graph");
}
@Override
public ChampObject unmarshallObject(Vertex vertex) throws ChampUnmarshallingException {
final String type = vertex.label();
final ObjectBuildOrPropertiesStep aaiObjBuilder = ChampObject.create()
.ofType(type)
.withKey(vertex.id());
final Iterator<VertexProperty<Object>> properties = vertex.properties();
while (properties.hasNext()) {
final VertexProperty<Object> property = properties.next();
if (ChampObject.ReservedPropertyKeys.contains(property.key()) ||
ChampObject.IgnoreOnReadPropertyKeys.contains(property.key())) continue;
aaiObjBuilder.withProperty(property.key(), property.value());
}
return aaiObjBuilder.build();
}
@Override
public ChampRelationship unmarshallRelationship(Edge edge) throws ChampUnmarshallingException {
final ChampObject source = unmarshallObject(edge.outVertex());
final ChampObject target = unmarshallObject(edge.inVertex());
final String type = edge.label();
final RelationshipBuildOrPropertiesStep aaiRelBuilder = ChampRelationship.create()
.ofType(type)
.withKey(edge.id())
.withSource()
.from(source)
.build()
.withTarget()
.from(target)
.build();
final Iterator<Property<Object>> properties = edge.properties();
while (properties.hasNext()) {
final Property<Object> property = properties.next();
if (ChampRelationship.ReservedPropertyKeys.contains(property.key())) continue;
aaiRelBuilder.withProperty(property.key(), property.value());
}
return aaiRelBuilder.build();
}
}
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