zinger.util.recycling
Class SynchronizedObjectPool

java.lang.Object
  zinger.util.recycling.SynchronizedObjectPool

All Implemented Interfaces:

ObjectPool

public class SynchronizedObjectPool
extends java.lang.Object
implements ObjectPool

Field Summary

protected ObjectPool

pool

Constructor Summary

SynchronizedObjectPool(ObjectPool pool)

Method Summary

void	clearCache() Clears existing cache.
java.lang.Object	getObject() Gets an instance out of the pool with default initialization.
java.lang.Object	getObject(java.lang.Object arg) Gets an instance out of the pool and initializes it using the specified parameter object.
boolean	recycleObject(java.lang.Object obj) Returns an object into the pool.

Methods inherited from class java.lang.Object

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

Field Detail

pool

protected final ObjectPool pool

Constructor Detail

SynchronizedObjectPool

public SynchronizedObjectPool(ObjectPool pool)

Method Detail

getObject

public java.lang.Object getObject()
                           throws java.lang.IllegalArgumentException

Description copied from interface: ObjectPool

Gets an instance out of the pool with default initialization. This is equivalent to calling getObject(null).

Specified by:

getObject in interface ObjectPool

Throws:

java.lang.IllegalArgumentException

See Also:

ObjectPool.getObject(java.lang.Object)

getObject

public java.lang.Object getObject(java.lang.Object arg)
                           throws java.lang.IllegalArgumentException

Description copied from interface: ObjectPool

Gets an instance out of the pool and initializes it using the specified parameter object.

Specified by:

getObject in interface ObjectPool

Parameters:

arg - Initialization parameter. If null, default initialziation is used.

Throws:

java.lang.IllegalArgumentException

recycleObject

public boolean recycleObject(java.lang.Object obj)

Description copied from interface: ObjectPool

Returns an object into the pool. By calling this method, the user guarantees not to perform any more operation on the passed-in instance. The pool does not guarantee the passed-in instance will be accepted, or if accepted that it will ever be returned by getObject() or getObject(arg).

Specified by:

recycleObject in interface ObjectPool

See Also:

ObjectPool.getObject(), ObjectPool.getObject(java.lang.Object)

clearCache

public void clearCache()

Description copied from interface: ObjectPool

Clears existing cache. This could be useful if a memory monitor was connected to this instance and ran in the background. It could know to discard cache when activity is down and memory usage is high.

Specified by:

clearCache in interface ObjectPool