@Override public void map( Object key, Text value, OutputCollector<IntWritable, Text> output, Reporter reporter) throws IOException { parser.parse(value); output.collect(new IntWritable(parser.getDepartmentId()), value); }
@Override public void map( Object key, Text value, OutputCollector<IntPair, Text> output, Reporter reporter) throws IOException { parser.parse(value); IntPair intPair = new IntPair(); intPair.set(parser.getDepartmentId(), parser.getEmployeeAge()); output.collect(intPair, value); }
@Override public void reduce( IntPair key, Iterator<Text> values, OutputCollector<IntWritable, Text> output, Reporter reporter) throws IOException { while (values.hasNext()) { Text value = values.next(); parser.parse(value); output.collect(new IntWritable(parser.getDepartmentId()), value); } }