org.apache.catalina.util

Class LifecycleSupport


public final class LifecycleSupport
extends java.lang.Object

Support class to assist in firing LifecycleEvent notifications to registered LifecycleListeners.

Version:
$Id: LifecycleSupport.java,v 1.2 2004/02/27 14:58:50 yoavs Exp $

Author:
Craig R. McClanahan

Constructor Summary

LifecycleSupport(Lifecycle lifecycle)
Construct a new LifecycleSupport object associated with the specified Lifecycle component.

Method Summary

void
addLifecycleListener(LifecycleListener listener)
Add a lifecycle event listener to this component.
LifecycleListener[]
findLifecycleListeners()
Get the lifecycle listeners associated with this lifecycle.
void
fireLifecycleEvent(String type, Object data)
Notify all lifecycle event listeners that a particular event has occurred for this Container.
void
removeLifecycleListener(LifecycleListener listener)
Remove a lifecycle event listener from this component.

Constructor Details

LifecycleSupport

public LifecycleSupport(Lifecycle lifecycle)
Construct a new LifecycleSupport object associated with the specified Lifecycle component.

Parameters:
lifecycle - The Lifecycle component that will be the source of events that we fire

Method Details

addLifecycleListener

public void addLifecycleListener(LifecycleListener listener)
Add a lifecycle event listener to this component.

Parameters:
listener - The listener to add


findLifecycleListeners

public LifecycleListener[] findLifecycleListeners()
Get the lifecycle listeners associated with this lifecycle. If this Lifecycle has no listeners registered, a zero-length array is returned.


fireLifecycleEvent

public void fireLifecycleEvent(String type,
                               Object data)
Notify all lifecycle event listeners that a particular event has occurred for this Container. The default implementation performs this notification synchronously using the calling thread.

Parameters:
type - Event type
data - Event data


removeLifecycleListener

public void removeLifecycleListener(LifecycleListener listener)
Remove a lifecycle event listener from this component.

Parameters:
listener - The listener to remove


Copyright B) 2000-2003 Apache Software Foundation. All Rights Reserved.