/*
* 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.flink.graph.bipartite;
import org.apache.flink.api.java.tuple.Tuple6;
import org.apache.flink.graph.Vertex;
/**
* The edge value of a full bipartite projection contains:
* <ul>
* <li>the ID and vertex value of the connecting vertex</li>
* <li>the vertex value for the source and target vertex</li>
* <li>both edge values from the bipartite edges</li>
* </ul>
*
* @param <KC> the key type of connecting vertices
* @param <VVC> the vertex value type of connecting vertices
* @param <VV> the vertex value type of top or bottom vertices
* @param <EV> the edge value type from bipartite edges
*/
public class Projection<KC, VVC, VV, EV> extends Tuple6<KC, VVC, VV, VV, EV, EV> {
public Projection() {}
public Projection(
Vertex<KC, VVC> connectingVertex,
VV sourceVertexValue, VV targetVertexValue,
EV sourceEdgeValue, EV targetEdgeValue) {
this.f0 = connectingVertex.getId();
this.f1 = connectingVertex.getValue();
this.f2 = sourceVertexValue;
this.f3 = targetVertexValue;
this.f4 = sourceEdgeValue;
this.f5 = targetEdgeValue;
}
public KC getIntermediateVertexId() {
return this.f0;
}
public VVC getIntermediateVertexValue() {
return this.f1;
}
public VV getsSourceVertexValue() {
return this.f2;
}
public VV getTargetVertexValue() {
return this.f3;
}
public EV getSourceEdgeValue() {
return this.f4;
}
public EV getTargetEdgeValue() {
return this.f5;
}
}