Package net.sf.jasperreports.engine.fill

Class StoreVirtualizer

java.lang.Object

net.sf.jasperreports.engine.fill.JRAbstractLRUVirtualizer

net.sf.jasperreports.engine.fill.StoreVirtualizer

All Implemented Interfaces:

JRVirtualizer

Direct Known Subclasses:

JRSwapFileVirtualizer

public class StoreVirtualizer
extends JRAbstractLRUVirtualizer

Author:

Lucian Chirita (lucianc@users.sourceforge.net)

Nested Class Summary

Nested classes/interfaces inherited from class net.sf.jasperreports.engine.fill.JRAbstractLRUVirtualizer

JRAbstractLRUVirtualizer.Cache, JRAbstractLRUVirtualizer.CacheReference

Field Summary

Fields inherited from class net.sf.jasperreports.engine.fill.JRAbstractLRUVirtualizer

lastObjectMap, lastObjectRef, lastObjectSet, pagedIn, pagedOut, serializer

Constructor Summary

Constructors

Constructor	Description
StoreVirtualizer(int maxSize, VirtualizerStore store)

Method Summary

Modifier and Type	Method	Description
void	cleanup()	Called when we are done with the virtualizer and wish to cleanup any resources it has.
protected void	dispose(String id)	Removes the external data associated with a virtualizable object.
protected void	pageIn(JRVirtualizable o)	Reads a virtualizable object's data from an external storage.
protected void	pageOut(JRVirtualizable o)	Writes a virtualizable object's data to an external storage.

Methods inherited from class net.sf.jasperreports.engine.fill.JRAbstractLRUVirtualizer

clearData, contextChanged, deregisterObject, dispose, disposeAll, evict, finalize, isEvictable, isPagedOut, isPagedOutAndTouch, isReadOnly, isReadOnly, lastObject, readData, registerObject, requestData, reset, setLastObject, setReadOnly, touch, virtualizeData, writeData

Methods inherited from class java.lang.Object

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

Constructor Details

StoreVirtualizer

public StoreVirtualizer(int maxSize,
 VirtualizerStore store)

Method Details

pageOut

protected void pageOut(JRVirtualizable o)
                throws IOException

Description copied from class: JRAbstractLRUVirtualizer

Writes a virtualizable object's data to an external storage.

Specified by:

pageOut in class JRAbstractLRUVirtualizer

Parameters:

o - a virtualizable object

Throws:

IOException

pageIn

protected void pageIn(JRVirtualizable o)
               throws IOException

Description copied from class: JRAbstractLRUVirtualizer

Reads a virtualizable object's data from an external storage.

Specified by:

pageIn in class JRAbstractLRUVirtualizer

Parameters:

o - a virtualizable object

Throws:

IOException

dispose

protected void dispose(String id)

Description copied from class: JRAbstractLRUVirtualizer

Removes the external data associated with a virtualizable object.

Specified by:

dispose in class JRAbstractLRUVirtualizer

Parameters:

id - the ID of the virtualizable object

cleanup

public void cleanup()

Description copied from interface: JRVirtualizer

Called when we are done with the virtualizer and wish to cleanup any resources it has.