com.hp.util.observer

Interface Store<T>

Type Parameters:

T - type of the item.

All Known Implementing Classes:

StrongReferenceListenerStore, WeakReferenceListenerStore

public interface Store<T>

A store represents a group of objects, known as its items

Author:

Fabiel Zuniga

Method Summary

Methods

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

Method Detail

add

void add(T item)

Adds an item to the store.

Parameters:

item - listener to add.

remove

void remove(T item)

Removes an item from the store.

Parameters:

item - listener to remove.

contains

boolean contains(T item)

Verifies if the given item is contained in the store.

Parameters:

item - item to check.

Returns:

true if item belongs to the store, false otherwise.

getContent

Collection<T> getContent()

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.

Returns:

the store content.