org.apache.hadoop.yarn.server.nodemanager
Class DeletionService

java.lang.Object
  org.apache.hadoop.yarn.service.AbstractService
      org.apache.hadoop.yarn.server.nodemanager.DeletionService

All Implemented Interfaces:

org.apache.hadoop.yarn.service.Service

public class DeletionService
extends org.apache.hadoop.yarn.service.AbstractService

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.hadoop.yarn.service.Service

org.apache.hadoop.yarn.service.Service.STATE

Constructor Summary

DeletionService(ContainerExecutor exec)

Method Summary

void	delete(String user, org.apache.hadoop.fs.Path subDir, org.apache.hadoop.fs.Path... baseDirs) /** Delete the path(s) as this user.
void	init(org.apache.hadoop.conf.Configuration conf)
boolean	isTerminated() Determine if the service has completely stopped.
void	stop()

Methods inherited from class org.apache.hadoop.yarn.service.AbstractService

getConfig, getName, getServiceState, getStartTime, register, start, unregister

Methods inherited from class java.lang.Object

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

Constructor Detail

DeletionService

public DeletionService(ContainerExecutor exec)

Method Detail

delete

public void delete(String user,
                   org.apache.hadoop.fs.Path subDir,
                   org.apache.hadoop.fs.Path... baseDirs)

/** Delete the path(s) as this user.

Parameters:

user - The user to delete as, or the JVM user if null

subDir - the sub directory name

baseDirs - the base directories which contains the subDir's

init

public void init(org.apache.hadoop.conf.Configuration conf)

Specified by:

init in interface org.apache.hadoop.yarn.service.Service

Overrides:

init in class org.apache.hadoop.yarn.service.AbstractService

stop

public void stop()

Specified by:

stop in interface org.apache.hadoop.yarn.service.Service

Overrides:

stop in class org.apache.hadoop.yarn.service.AbstractService

isTerminated

@InterfaceAudience.Private
public boolean isTerminated()

Determine if the service has completely stopped. Used only by unit tests

Returns:

true if service has completely stopped