com.cloudera.oryx.common.lang

Class OryxShutdownHook

java.lang.Object

com.cloudera.oryx.common.lang.OryxShutdownHook

All Implemented Interfaces:

Runnable

public final class OryxShutdownHook
extends Object
implements Runnable

Intended for use with Runtime.addShutdownHook(Thread) or similar mechanisms, this is a Runnable that is configured with a list of Closeables that are to be closed at shutdown, when its run() is called.

Constructor Summary

Constructors

Constructor and Description
OryxShutdownHook()

Method Summary

Modifier and Type	Method and Description
boolean	addCloseable(Closeable closeable)
void	run()

Methods inherited from class java.lang.Object

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

Constructor Detail

OryxShutdownHook

public OryxShutdownHook()

Method Detail

run

public void run()

Specified by:

run in interface Runnable

addCloseable

public boolean addCloseable(Closeable closeable)

Parameters:

closeable - object to close at shutdown

Returns:

true iff this is the first object to be registered

Throws:

IllegalStateException - if already shutting down