content: /**
   * 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.alimama.quanjingmonitor.kmeans;
  
  import java.io.IOException;
  import org.apache.hadoop.conf.Configuration;
  import org.apache.hadoop.io.Text;
  import org.apache.hadoop.io.WritableComparable;
  import org.apache.hadoop.mapreduce.Mapper;
  
  
  public class KMeansGroupMapper extends Mapper<WritableComparable<?>, Text, Text, Cluster> {
  
    ParseVector parse=new ParseVector();
  
    @Override
    protected void map(WritableComparable<?> key, Text point, Context context)
      throws IOException, InterruptedException {
  
  	  	String line=point.toString();
  		Vector pointv=parse.parseVector(line);
  		pointv.setNumPoints(1);
  		
  		Cluster clu=new Cluster(pointv,0);
  		context.write(new Text(String.valueOf(parse.parseKey(line))),clu);
  	
    }
    
    
  
  
  	@Override
  	protected void setup(Context context) throws IOException,
  			InterruptedException {
  		super.setup(context);
  
  		Configuration conf = context.getConfiguration();
  		parse.setup(conf);
  
  	}
  
  	
  }
  