Package org.apache.hadoop.ipc

Class UserIdentityProvider

java.lang.Object

org.apache.hadoop.ipc.UserIdentityProvider

All Implemented Interfaces:

IdentityProvider

public class UserIdentityProvider
extends java.lang.Object
implements IdentityProvider

The UserIdentityProvider creates uses the username as the identity. All jobs launched by a user will be grouped together.

Constructor Summary

Constructors

Constructor	Description
UserIdentityProvider()

Method Summary

Modifier and Type	Method	Description
java.lang.String	makeIdentity(Schedulable obj)	Return the string used for scheduling.

Methods inherited from class java.lang.Object

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

Constructor Detail

UserIdentityProvider

public UserIdentityProvider()

Method Detail

makeIdentity

public java.lang.String makeIdentity(Schedulable obj)

Description copied from interface: IdentityProvider

Return the string used for scheduling.

Specified by:

makeIdentity in interface IdentityProvider

Parameters:

obj - the schedulable to use.

Returns:

string identity, or null if no identity could be made.