org.apache.slider.server.services.utility

Class EndOfServiceWaiter

java.lang.Object

org.apache.slider.server.services.utility.EndOfServiceWaiter

All Implemented Interfaces:

org.apache.hadoop.service.ServiceStateChangeListener

public class EndOfServiceWaiter
extends Object
implements org.apache.hadoop.service.ServiceStateChangeListener

Wait for a service to stop. WARNING: the notification may come in as soon as the service enters the stopped state: it may take some time for the actual stop operation to complete.

Constructor Summary

Constructors

Constructor and Description
EndOfServiceWaiter(org.apache.hadoop.service.Service service) Wait for a service; use the service name as this instance's name
EndOfServiceWaiter(String name, org.apache.hadoop.service.Service service) Wait for a service

Method Summary

Methods

Modifier and Type	Method and Description
void	stateChanged(org.apache.hadoop.service.Service service) Wait for service state change callbacks; notify self if the service has now stopped
void	waitForServiceToStop(long timeout)

Methods inherited from class java.lang.Object

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

Constructor Detail

EndOfServiceWaiter

public EndOfServiceWaiter(org.apache.hadoop.service.Service service)

Wait for a service; use the service name as this instance's name

Parameters:

service - service

EndOfServiceWaiter

public EndOfServiceWaiter(String name,
                  org.apache.hadoop.service.Service service)

Wait for a service

Parameters:

name - name for messages

service - service

Method Detail

waitForServiceToStop

public void waitForServiceToStop(long timeout)
                          throws InterruptedException,
                                 TimeoutException

Throws:

InterruptedException

TimeoutException

stateChanged

public void stateChanged(org.apache.hadoop.service.Service service)

Wait for service state change callbacks; notify self if the service has now stopped

Specified by:

stateChanged in interface org.apache.hadoop.service.ServiceStateChangeListener

Parameters:

service - service