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org.eclipse.emf.transaction.util
Interface ConditionalRedoCommand

All Superinterfaces:
Command
All Known Implementing Classes:
ConditionalRedoCommand.Compound, EMFOperationCommand, RecordingCommand, TriggerCommand

public interface ConditionalRedoCommand
extends Command

A specialization of the EMF Command API that accounts for conditional redoable-ness. This interface adds a canRedo() operation in conjunction with the Command.canUndo().

This interface is intended to be implemented by clients.


Nested Class Summary
static class ConditionalRedoCommand.Compound
          A conditionally redoable compound command.
 
Method Summary
 boolean canRedo ()
          Queries whether I can be redone.
 
Methods inherited from interface org.eclipse.emf.common.command. Command
canExecute, canUndo, chain, dispose, execute, getAffectedObjects, getDescription, getLabel, getResult, redo, undo
 

Method Detail

canRedo

boolean canRedo()
Queries whether I can be redone. The result of calling this operation is undefined until I have been undone. Note that it is acceptable for a conditionally redoable command not to be redoable if it has successfully been undone, or even after having been successfully redone at least once before.

Returns:
true if I can be redone; false, otherwise

Copyright 2002, 2007 IBM Corporation and others.
All Rights Reserved.


 
 
  Published under the terms of the Eclipse Public License Version 1.0 ("EPL") Design by Interspire