net.sf.jasperreports.engine.fill
Class JRClonePool

java.lang.Object
  net.sf.jasperreports.engine.fill.JRClonePool

public class JRClonePool
extends java.lang.Object

Working clones pooling utility used at fill time.

Version:

$Id: JRClonePool.java 5180 2012-03-29 13:23:12Z teodord $

Author:

Lucian Chirita (lucianc@users.sourceforge.net)

Constructor Summary

JRClonePool(JRFillCloneable original, boolean trackLockedClones, boolean useOriginal)
Creates a clone pool.

Method Summary

java.lang.Object	getClone() Retrieves a clone from the pool.
void	releaseClone(java.lang.Object clone) Release the clone back to the pool.

Methods inherited from class java.lang.Object

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

Constructor Detail

JRClonePool

public JRClonePool(JRFillCloneable original,
                   boolean trackLockedClones,
                   boolean useOriginal)

Creates a clone pool.

Parameters:

original - the original element that will be cloned

trackLockedClones - whether to track clones retrieved from the pool

If set, the pool will keep a set of in-use clones and the caller will always have to release the clones back to the pool.

useOriginal - whether the original object can be used as a working clone

Method Detail

getClone

public java.lang.Object getClone()

Retrieves a clone from the pool.

The clone is reserved to the caller who will need to call releaseClone(Object) to release it back to the pool.

Returns:

a clone of the original object

releaseClone

public void releaseClone(java.lang.Object clone)

Release the clone back to the pool. The clone will be available for other clients.

Parameters:

clone - the clone to be released