EnumTrianglesDataTypes.java

/*
 * 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.examples.java.graph.util;

import org.apache.flink.api.java.tuple.Tuple2;
import org.apache.flink.api.java.tuple.Tuple3;
import org.apache.flink.api.java.tuple.Tuple4;

public class EnumTrianglesDataTypes {

	public static class Edge extends Tuple2<Integer, Integer> {
		private static final long serialVersionUID = 1L;
		
		public static final int V1 = 0;
		public static final int V2 = 1;
		
		public Edge() {}
		
		public Edge(final Integer v1, final Integer v2) {
			this.setFirstVertex(v1);
			this.setSecondVertex(v2);
		}
		
		public Integer getFirstVertex() { return this.getField(V1); }
		
		public Integer getSecondVertex() { return this.getField(V2); }
		
		public void setFirstVertex(final Integer vertex1) { this.setField(vertex1, V1); }
		
		public void setSecondVertex(final Integer vertex2) { this.setField(vertex2, V2); }
		
		public void copyVerticesFromTuple2(Tuple2<Integer, Integer> t) {
			this.setFirstVertex(t.f0);
			this.setSecondVertex(t.f1);
		}
		
		public void copyVerticesFromEdgeWithDegrees(EdgeWithDegrees ewd) {
			this.setFirstVertex(ewd.getFirstVertex());
			this.setSecondVertex(ewd.getSecondVertex());
		}
		
		public void flipVertices() {
			Integer tmp = this.getFirstVertex();
			this.setFirstVertex(this.getSecondVertex());
			this.setSecondVertex(tmp);
		}
	}
	
	public static class Triad extends Tuple3<Integer, Integer, Integer> {
		private static final long serialVersionUID = 1L;
		
		public static final int V1 = 0;
		public static final int V2 = 1;
		public static final int V3 = 2;
		
		public Triad() {}
		
		public void setFirstVertex(final Integer vertex1) { this.setField(vertex1, V1); }
		
		public void setSecondVertex(final Integer vertex2) { this.setField(vertex2, V2); }
		
		public void setThirdVertex(final Integer vertex3) { this.setField(vertex3, V3); }
	}
	
	public static class EdgeWithDegrees extends Tuple4<Integer, Integer, Integer, Integer> {
		private static final long serialVersionUID = 1L;

		public static final int V1 = 0;
		public static final int V2 = 1;
		public static final int D1 = 2;
		public static final int D2 = 3;
		
		public EdgeWithDegrees() { }
			
		public Integer getFirstVertex() { return this.getField(V1); }
		
		public Integer getSecondVertex() { return this.getField(V2); }
		
		public Integer getFirstDegree() { return this.getField(D1); }
		
		public Integer getSecondDegree() { return this.getField(D2); }
		
		public void setFirstVertex(final Integer vertex1) { this.setField(vertex1, V1); }
		
		public void setSecondVertex(final Integer vertex2) { this.setField(vertex2, V2); }
		
		public void setFirstDegree(final Integer degree1) { this.setField(degree1, D1); }
		
		public void setSecondDegree(final Integer degree2) { this.setField(degree2, D2); }
		
		public void copyFrom(final EdgeWithDegrees edge) {
			this.setFirstVertex(edge.getFirstVertex());
			this.setSecondVertex(edge.getSecondVertex());
			this.setFirstDegree(edge.getFirstDegree());
			this.setSecondDegree(edge.getSecondDegree());
		}
	}
	
	
}