eu.stratosphere.example.java.record.sort

Class ReduceGroupSort

java.lang.Object

eu.stratosphere.example.java.record.sort.ReduceGroupSort

All Implemented Interfaces:

Program, ProgramDescription

public class ReduceGroupSort
extends Object
implements Program, ProgramDescription

This job shows how to define ordered input for a Reduce contract. The inputs for CoGroups can be (individually) ordered as well.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ReduceGroupSort.IdentityReducer Increments the first field of the first record of the reduce group by 100 and emits it.

Constructor Summary

Constructors

Constructor and Description
ReduceGroupSort()

Method Summary

Methods

Modifier and Type	Method and Description
String	getDescription()
Plan	getPlan(String... args)

Methods inherited from class java.lang.Object

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

Constructor Detail

ReduceGroupSort

public ReduceGroupSort()

Method Detail

getPlan

public Plan getPlan(String... args)

Specified by:

getPlan in interface Program

getDescription

public String getDescription()

Specified by:

getDescription in interface ProgramDescription