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 org.apache.mahout.clustering.iterator; import java.io.DataInput; import java.io.DataOutput; import java.io.IOException; import org.apache.hadoop.io.Writable; import org.apache.mahout.classifier.sgd.PolymorphicWritable; import org.apache.mahout.clustering.Cluster; public class ClusterWritable implements Writable { private Cluster value; public ClusterWritable(Cluster first) { value = first; } public ClusterWritable() { } public Cluster getValue() { return value; } public void setValue(Cluster value) { this.value = value; } @Override public void write(DataOutput out) throws IOException { PolymorphicWritable.write(out, value); } @Override public void readFields(DataInput in) throws IOException { value = PolymorphicWritable.read(in, Cluster.class); } }