Java tutorial
/* * 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 com.cloudera.sa.giraph.examples.kmeans; import java.io.DataInput; import java.io.DataOutput; import java.io.IOException; import org.apache.hadoop.io.Writable; public class NodeState implements Writable { private PointWritable point = new PointWritable(); private int cluster = -1; private PointWritable clusterCentre = new PointWritable(); public NodeState() { } public NodeState(PointWritable point) { this.point = new PointWritable(point.getData()); } public PointWritable getPoint() { return point; } public void setPoint(PointWritable point) { this.point = new PointWritable(point.getData()); } public int getCluster() { return cluster; } public void setCluster(int cluster) { this.cluster = cluster; } public PointWritable getClusterCentre() { return clusterCentre; } public void setClusterCentre(PointWritable clusterCentre) { this.clusterCentre = new PointWritable(clusterCentre.getData()); } public void readFields(DataInput in) throws IOException { point.readFields(in); cluster = in.readInt(); clusterCentre.readFields(in); } public void write(DataOutput out) throws IOException { point.write(out); out.writeInt(cluster); point.write(out); } public String toString() { return point + " is part of cluster " + clusterCentre; } }