Package org.eclipse.nebula.widgets.nattable.datachange

Class PersistenceUpdateDataChange

java.lang.Object

org.eclipse.nebula.widgets.nattable.datachange.UpdateDataChange

org.eclipse.nebula.widgets.nattable.datachange.PersistenceUpdateDataChange

All Implemented Interfaces:

DataChange

public class PersistenceUpdateDataChange
extends UpdateDataChange

DataChange implementation that tracks data updates. Contains an UpdateDataCommand that is created as result of a DataUpdateEvent and can be used to revert the data update.

Since:

1.6

Constructor Summary

Constructors

Constructor	Description
PersistenceUpdateDataChange(Object key, Object oldValue, CellKeyHandler<?> keyHandler)	Create an PersistenceUpdateDataChange that is able to revert the performed data update.

Method Summary

Modifier and Type	Method	Description
void	discard(DataChangeLayer layer)	Discard the change.
void	save(DataChangeLayer layer)	Save the change.

Methods inherited from class org.eclipse.nebula.widgets.nattable.datachange.UpdateDataChange

getKey, getUpdateDataCommand, getValue, updateKey

Methods inherited from class java.lang.Object

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

Constructor Details

PersistenceUpdateDataChange

public PersistenceUpdateDataChange(Object key,
 Object oldValue,
 CellKeyHandler<?> keyHandler)

Create an PersistenceUpdateDataChange that is able to revert the performed data update.

Parameters:

key - The key under which the cell can be found that should be updated.

oldValue - The old value that should be re-applied on discard.

keyHandler - The CellKeyHandler used to get indexes out of the key.

Method Details

discard

public void discard(DataChangeLayer layer)

Description copied from interface: DataChange

Discard the change.

Parameters:

layer - The DataChangeLayer used to perform index-position transformations and to trigger the necessary commands to save.

save

public void save(DataChangeLayer layer)

Description copied from interface: DataChange

Save the change.

Parameters:

layer - The DataChangeLayer used to perform index-position transformations and to trigger the necessary commands to save.