com.amazonaws.services.elasticmapreduce.util

Class ResizeJobFlowStep.ModifyInstanceGroup

java.lang.Object

com.amazonaws.services.elasticmapreduce.util.ResizeJobFlowStep.ModifyInstanceGroup

All Implemented Interfaces:

ResizeJobFlowStep.ResizeAction

Enclosing class:

ResizeJobFlowStep

public static class ResizeJobFlowStep.ModifyInstanceGroup
extends Object
implements ResizeJobFlowStep.ResizeAction

Class representing a change to an existing instance group.

Constructor Summary

Constructors

Constructor and Description
ModifyInstanceGroup()

Method Summary

Modifier and Type	Method and Description
List<String>	getArgs()
ResizeJobFlowStep.ModifyInstanceGroup	withInstanceCount(Integer instanceCount) Specify the new size of the instance group.
ResizeJobFlowStep.ModifyInstanceGroup	withInstanceGroup(String instanceGroup) Set the identification for the instance group to modify.

Methods inherited from class java.lang.Object

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

Constructor Detail

ModifyInstanceGroup

public ModifyInstanceGroup()

Method Detail

withInstanceGroup

public ResizeJobFlowStep.ModifyInstanceGroup withInstanceGroup(String instanceGroup)

Set the identification for the instance group to modify. You can specify either core or task if there is only one instance group of that role. Otherwise you can specify the instance group ID (such as ig-ABABABABABAB).

Parameters:

instanceGroup - Identifier for the instance group.

Returns:

A reference to this updated object so that method calls can be chained together.

withInstanceCount

public ResizeJobFlowStep.ModifyInstanceGroup withInstanceCount(Integer instanceCount)

Specify the new size of the instance group.

Parameters:

instanceCount - Target size of the instance group.

Returns:

A reference to this updated object so that method calls can be chained together.

getArgs

public List<String> getArgs()

Specified by:

getArgs in interface ResizeJobFlowStep.ResizeAction