com.h3c.util.observer

Class WeakReferenceListenerStore<T>

java.lang.Object

com.h3c.util.observer.WeakReferenceListenerStore<T>

Type Parameters:

T - type of the listener.

All Implemented Interfaces:

Store<T>

public class WeakReferenceListenerStore<T>
extends Object
implements Store<T>

Weak reference listener store. See WeakReference.

Constructor Summary

Constructors

Constructor and Description
WeakReferenceListenerStore() Creates a listener store.

Method Summary

Methods

Modifier and Type	Method and Description
void	add(T listener) Adds an item to the store.
boolean	contains(T listener) Verifies if the given item is contained in the store.
Collection<T>	getContent() Gets an unmodifiable snapshot of the store.
void	remove(T listener) Removes an item from the store.

Methods inherited from class java.lang.Object

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

Constructor Detail

WeakReferenceListenerStore

public WeakReferenceListenerStore()

Creates a listener store.

Method Detail

add

public void add(T listener)

Description copied from interface: Store

Adds an item to the store.

Specified by:

add in interface Store<T>

Parameters:

listener - listener to add.

remove

public void remove(T listener)

Description copied from interface: Store

Removes an item from the store.

Specified by:

remove in interface Store<T>

Parameters:

listener - listener to remove.

contains

public boolean contains(T listener)

Description copied from interface: Store

Verifies if the given item is contained in the store.

Specified by:

contains in interface Store<T>

Parameters:

listener - item to check.

Returns:

true if item belongs to the store, false otherwise.

getContent

public Collection<T> getContent()

Description copied from interface: Store

Gets an unmodifiable snapshot of the store. The returned collection must not be affected by any addition or deletion that takes place after this method has been executed.

Specified by:

getContent in interface Store<T>

Returns:

the store content.