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SpecializedElementFactory.java
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SpecializedElementFactory.java
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.
*/
package org.apache.tinkerpop.gremlin.tinkergraph.structure;
import org.apache.tinkerpop.gremlin.structure.Vertex;
/* To make use of specialized elements (for better memory/performance characteristics), you need to
* create instances of these factories and register them with TinkerGraph. That way it will instantiate
* your specialized elements rather than generic ones. */
public class SpecializedElementFactory {
public interface ForVertex<V extends SpecializedTinkerVertex> {
String forLabel();
V createVertex(Long id, TinkerGraph graph);
VertexRef<V> createVertexRef(V vertex);
VertexRef<V> createVertexRef(Long id, TinkerGraph graph);
}
public interface ForEdge<E extends SpecializedTinkerEdge> {
String forLabel();
E createEdge(Long id, TinkerGraph graph, VertexRef outVertex, VertexRef inVertex);
EdgeRef<E> createEdgeRef(E edge);
EdgeRef<E> createEdgeRef(Long id, TinkerGraph graph, VertexRef outVertex, VertexRef inVertex);
}
}