jfun.yan
Class CachingPool

java.lang.Object
  jfun.yan.CachingPool

All Implemented Interfaces:

Pool, java.io.Serializable

Direct Known Subclasses:

GlobalScope

public class CachingPool

extends java.lang.Object

implements Pool

A thread-unsafe implementation of Pool that does simple caching.

Author:

Ben Yu Feb 2, 2006 12:13:08 PM

See Also:

Serialized Form

Constructor Summary

CachingPool()

Method Summary

java.lang.Object	getInstance(Factory factory) Apply the pooling strategy and return an instance from either the pool or the factory.
java.lang.Object	getPooledInstance(java.lang.Object def) Get the instance that's already pooled.
boolean	isPooled() Is this pool currently having something in cache?

Methods inherited from class java.lang.Object

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

Constructor Detail

CachingPool

public CachingPool()

Method Detail

getInstance

public java.lang.Object getInstance(Factory factory)

Description copied from interface: Pool

Apply the pooling strategy and return an instance from either the pool or the factory.

Specified by:

getInstance in interface Pool

Parameters:

factory - the factory to create the object instance.

Returns:

the object instance.

getPooledInstance

public java.lang.Object getPooledInstance(java.lang.Object def)

Description copied from interface: Pool

Get the instance that's already pooled.

Specified by:

getPooledInstance in interface Pool

Parameters:

def - the default value to return if there's no pooled instance.

Returns:

the pooled instance or the default object.

isPooled

public boolean isPooled()

Is this pool currently having something in cache?

Specified by:

isPooled in interface Pool