se.jiderhamn.classloader.leak.prevention.cleanup

Class ShutdownHookCleanUp

java.lang.Object

se.jiderhamn.classloader.leak.prevention.cleanup.ShutdownHookCleanUp

All Implemented Interfaces:

ClassLoaderPreMortemCleanUp

public class ShutdownHookCleanUp
extends Object
implements ClassLoaderPreMortemCleanUp

Find and deregister shutdown hooks. Will by default execute the hooks immediately after removing them.

Author:

Mattias Jiderhamn

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	executeShutdownHooks Should shutdown hooks registered from the application be executed at application shutdown?
static int	SHUTDOWN_HOOK_WAIT_MS_DEFAULT Default no of milliseconds to wait for shutdown hook to finish execution
protected int	shutdownHookWaitMs No of milliseconds to wait for shutdown hooks to finish execution, before stopping them.

Constructor Summary

Constructors

Constructor and Description
ShutdownHookCleanUp() Constructor for test case
ShutdownHookCleanUp(boolean executeShutdownHooks, int shutdownHookWaitMs)

Method Summary

Modifier and Type	Method and Description
void	cleanUp(ClassLoaderLeakPreventor preventor) Perform cleanup actions needed to make provided ClassLoaderLeakPreventor.classLoader ready for garbage collection.
protected void	removeShutdownHook(ClassLoaderLeakPreventor preventor, Thread shutdownHook) Deregister shutdown hook and execute it immediately
void	setExecuteShutdownHooks(boolean executeShutdownHooks)
void	setShutdownHookWaitMs(int shutdownHookWaitMs)

Methods inherited from class java.lang.Object

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

Field Detail

SHUTDOWN_HOOK_WAIT_MS_DEFAULT

public static final int SHUTDOWN_HOOK_WAIT_MS_DEFAULT

Default no of milliseconds to wait for shutdown hook to finish execution

See Also:

Constant Field Values

executeShutdownHooks

protected boolean executeShutdownHooks

Should shutdown hooks registered from the application be executed at application shutdown?

shutdownHookWaitMs

protected int shutdownHookWaitMs

No of milliseconds to wait for shutdown hooks to finish execution, before stopping them. If set to -1 there will be no waiting at all, but Thread is allowed to run until finished.

Constructor Detail

ShutdownHookCleanUp

public ShutdownHookCleanUp()

Constructor for test case

ShutdownHookCleanUp

public ShutdownHookCleanUp(boolean executeShutdownHooks,
                           int shutdownHookWaitMs)

Method Detail

setExecuteShutdownHooks

public void setExecuteShutdownHooks(boolean executeShutdownHooks)

setShutdownHookWaitMs

public void setShutdownHookWaitMs(int shutdownHookWaitMs)

cleanUp

public void cleanUp(ClassLoaderLeakPreventor preventor)

Description copied from interface: ClassLoaderPreMortemCleanUp

Perform cleanup actions needed to make provided ClassLoaderLeakPreventor.classLoader ready for garbage collection.

Specified by:

cleanUp in interface ClassLoaderPreMortemCleanUp

removeShutdownHook

protected void removeShutdownHook(ClassLoaderLeakPreventor preventor,
                                  Thread shutdownHook)

Deregister shutdown hook and execute it immediately