Package com.sun.xml.ws.db.toplink

Class ObjectPool<T>

java.lang.Object

com.sun.xml.ws.db.toplink.ObjectPool<T>

Type Parameters:

T - the type of the object to pool

public abstract class ObjectPool<T>
extends java.lang.Object

Object pool allocator that leverages a ConcurrentLinkedQueue for synchronization.

Constructor Summary

Constructors

Constructor	Description
ObjectPool()

Method Summary

Modifier and Type	Method	Description
T	allocate()	Allocate an object from the pool or create a new one if we cannot get one from the queue.
protected abstract T	newInstance()	Subclasses must override the object creation method.
void	replace(T value)	Return an object to the pool.

Methods inherited from class java.lang.Object

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

Constructor Detail

ObjectPool

public ObjectPool()

Method Detail

allocate

public final T allocate()

Allocate an object from the pool or create a new one if we cannot get one from the queue.

Returns:

the queued or newly-created object

replace

public final void replace(T value)

Return an object to the pool.

Parameters:

value - the object being returned

newInstance

protected abstract T newInstance()

Subclasses must override the object creation method.

Returns:

a new instance of the object.