/* * 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; import org.apache.flink.api.java.tuple.Tuple2; /** * Represents the graph's nodes. It carries an ID and a value. * For vertices with no value, use {@link org.apache.flink.types.NullValue} as the value type. * * @param <K> * @param <V> */ public class Vertex<K, V> extends Tuple2<K, V> { private static final long serialVersionUID = 1L; public Vertex(){} public Vertex(K k, V val) { this.f0 = k; this.f1 = val; } public K getId() { return this.f0; } public V getValue() { return this.f1; } public void setId(K id) { this.f0 = id; } public void setValue(V val) { this.f1 = val; } }