org.apache.tez.examples

Class OrderedWordCount

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.tez.examples.OrderedWordCount

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable, org.apache.hadoop.util.Tool

public class OrderedWordCount
extends org.apache.hadoop.conf.Configured
implements org.apache.hadoop.util.Tool

Simple example that extends the WordCount example to show a chain of processing. The example extends WordCount by sorting the words by their count.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	OrderedWordCount.NoOpSorter No-op sorter processor.
static class	OrderedWordCount.SumProcessor

Constructor Summary

Constructors

Constructor and Description
OrderedWordCount()

Method Summary

Methods

Modifier and Type	Method and Description
static org.apache.tez.dag.api.DAG	createDAG(org.apache.tez.dag.api.TezConfiguration tezConf, String inputPath, String outputPath, int numPartitions, String dagName)
static void	main(String[] args)
int	run(String[] args)
boolean	run(String inputPath, String outputPath, org.apache.hadoop.conf.Configuration conf, int numPartitions)

Methods inherited from class org.apache.hadoop.conf.Configured

getConf, setConf

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.hadoop.conf.Configurable

getConf, setConf

Constructor Detail

OrderedWordCount

public OrderedWordCount()

Method Detail

createDAG

public static org.apache.tez.dag.api.DAG createDAG(org.apache.tez.dag.api.TezConfiguration tezConf,
                                   String inputPath,
                                   String outputPath,
                                   int numPartitions,
                                   String dagName)
                                            throws IOException

Throws:

IOException

run

public boolean run(String inputPath,
          String outputPath,
          org.apache.hadoop.conf.Configuration conf,
          int numPartitions)
            throws Exception

Throws:

Exception

run

public int run(String[] args)
        throws Exception

Specified by:

run in interface org.apache.hadoop.util.Tool

Throws:

Exception

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception