com.vividsolutions.jump.workbench.model

Class UndoableCommand

java.lang.Object

com.vividsolutions.jump.workbench.model.UndoableCommand

public abstract class UndoableCommand
extends Object

An action that can be rolled back. Similar to an UndoableEdit, but assumes that the action is yet to be executed, whereas an UndoableEdit assumes that the action has already been executed (i.e. it has a #redo method but not a #do method).

See Also:

UndoableEdit

Field Summary

Fields

Modifier and Type	Field and Description
static UndoableCommand	DUMMY

Constructor Summary

Constructors

Constructor and Description
UndoableCommand(String name)

Method Summary

Methods

Modifier and Type	Method and Description
protected void	dispose() Releases resources.
abstract void	execute() If there is an exception that leaves this UndoableCommand execution partially complete and non-unexecutable, be sure to call #reportIrreversibleChange() on the UndoableEditReceiver (which can be obtained from the LayerManager).
String	getName()
UndoableEdit	toUndoableEdit()
abstract void	unexecute()

Methods inherited from class java.lang.Object

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

Field Detail

DUMMY

public static final UndoableCommand DUMMY

Constructor Detail

UndoableCommand

public UndoableCommand(String name)

Method Detail

dispose

protected void dispose()

Releases resources.

execute

public abstract void execute()

If there is an exception that leaves this UndoableCommand execution partially complete and non-unexecutable, be sure to call #reportIrreversibleChange() on the UndoableEditReceiver (which can be obtained from the LayerManager).

See Also:

UndoableEditReceiver.reportIrreversibleChange()

unexecute

public abstract void unexecute()

toUndoableEdit

public UndoableEdit toUndoableEdit()

getName

public String getName()