net.grinder.util

Class ListenerSupport<T>

java.lang.Object

net.grinder.util.ListenerSupport<T>

Type Parameters:

T - Listener type.

public final class ListenerSupport<T>
extends Object

Generic support for listeners.

Author:

Philip Aston

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ListenerSupport.HandlingInformer<K> Adapter interface for use with apply(net.grinder.util.ListenerSupport.HandlingInformer).
static interface	ListenerSupport.Informer<K> Adapter interface for use with apply(net.grinder.util.ListenerSupport.Informer).

Constructor Summary

Constructors

Constructor and Description
ListenerSupport()

Method Summary

Methods

Modifier and Type	Method and Description
void	add(T listener) Add a listener.
boolean	apply(ListenerSupport.HandlingInformer<? super T> handler) Notify the listeners of an event.
void	apply(ListenerSupport.Informer<? super T> informer) Notify the listeners of an event.
void	remove(T listener) Remove all instances of the given listener.

Methods inherited from class java.lang.Object

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

Constructor Detail

ListenerSupport

public ListenerSupport()

Method Detail

add

public void add(T listener)

Add a listener.

Parameters:

listener - The listener.

remove

public void remove(T listener)

Remove all instances of the given listener.

Parameters:

listener - The listener.

apply

public void apply(ListenerSupport.Informer<? super T> informer)

Notify the listeners of an event.

Parameters:

informer - An adapter to be applied to each listener.

apply

public boolean apply(ListenerSupport.HandlingInformer<? super T> handler)

Notify the listeners of an event.

Parameters:

handler - An adapter to be applied to each listener.

Returns:

true => a listener handled the event.