Package org.eclipse.equinox.p2.core

Class WeakPool<T>

java.lang.Object

org.eclipse.equinox.p2.core.WeakPool<T>

All Implemented Interfaces:

IPool<T>

public class WeakPool<T>
extends Object
implements IPool<T>

An object pool backed by weak references. Objects stored in this pool will be garbage collected once all strong references to the objects are broken.

Since WeakReference are not particularly light-weight, a client could use a StrongPool if the pool will be short lived and explicitly nulled by the client.

Since:

2.1

Constructor Summary

Constructors

Constructor	Description
WeakPool()

Method Summary

Modifier and Type	Method	Description
T	add(T newObject)	Returns the first object from this pool which is equal to the given object.

Methods inherited from class java.lang.Object

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

Constructor Detail

WeakPool

public WeakPool()

Method Detail

add

public T add(T newObject)

Description copied from interface: IPool

Returns the first object from this pool which is equal to the given object. If the pool contains no such object then the object is added to the pool and returned. If the object is null, null is returned.

Specified by:

add in interface IPool<T>

Parameters:

newObject - the object to add

Returns:

a shared object that is equal to the given object or null