dsto.dfc.databeans.io
Class DataObjectPersister

java.lang.Object
  java.util.TimerTask
      dsto.dfc.databeans.io.DataObjectPersister

All Implemented Interfaces:

PropertyListener, Runnable, EventListener

public class DataObjectPersister
extends TimerTask
implements PropertyListener

A java.util.Timer task that saves a data object at periodic intervals when it has been modified.

See Also:

DataObjectPersister2

Field Summary

protected File	file
protected long	lastModified
protected long	maxSaveInterval
protected boolean	modified
protected long	nextSave
protected IDataObject	object
protected long	saveInterval
protected XmlOutput	xmlOutput

Constructor Summary

DataObjectPersister(IDataObject object, File file)

DataObjectPersister(IDataObject object, String filename)

Method Summary

void	dispose()
int	getMaxSaveInterval()
int	getSaveInterval()
XmlOutput	getXmlOutput()
void	propertyValueChanged(PropertyEvent e)
void	run()
void	setMaxSaveInterval(int maxSaveInterval) Set the maximum the persister will allow a modified object to remain unsaved.
void	setModified(boolean value)
void	setSaveInterval(int saveInterval) Set the interval that must pass without modifications before a modified object is saved.

Methods inherited from class java.util.TimerTask

cancel, scheduledExecutionTime

Methods inherited from class java.lang.Object

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

Field Detail

object

protected IDataObject object

file

protected File file

xmlOutput

protected XmlOutput xmlOutput

modified

protected boolean modified

lastModified

protected long lastModified

nextSave

protected long nextSave

saveInterval

protected long saveInterval

maxSaveInterval

protected long maxSaveInterval

Constructor Detail

DataObjectPersister

public DataObjectPersister(IDataObject object,
                           String filename)

DataObjectPersister

public DataObjectPersister(IDataObject object,
                           File file)

Method Detail

dispose

public void dispose()

getXmlOutput

public XmlOutput getXmlOutput()

getMaxSaveInterval

public int getMaxSaveInterval()

setMaxSaveInterval

public void setMaxSaveInterval(int maxSaveInterval)

Set the maximum the persister will allow a modified object to remain unsaved.

Parameters:

maxSaveInterval - interval in seconds.

getSaveInterval

public int getSaveInterval()

setSaveInterval

public void setSaveInterval(int saveInterval)

Set the interval that must pass without modifications before a modified object is saved.

Parameters:

saveInterval - The interval in seconds.

run

public void run()

Specified by:

run in interface Runnable

Specified by:

run in class TimerTask

setModified

public void setModified(boolean value)

propertyValueChanged

public void propertyValueChanged(PropertyEvent e)

Specified by:

propertyValueChanged in interface PropertyListener