Eclipse GMF Guide (Galileo) - DeferredSetValueCommand (Eclipse GMF Documentation)

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org.eclipse.gmf.runtime.emf.type.core.commands
Class DeferredSetValueCommand

java.lang.Object
  

org.eclipse.core.commands.operations.AbstractOperation
      org.eclipse.emf.workspace.AbstractEMFOperation
          

org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand
              

org.eclipse.gmf.runtime.emf.type.core.commands.EditElementCommand
                  

org.eclipse.gmf.runtime.emf.type.core.commands.SetValueCommand
                      
org.eclipse.gmf.runtime.emf.type.core.commands.DeferredSetValueCommand

All Implemented Interfaces:: IUndoableOperation, ICommand, org.eclipse.gmf.runtime.common.core.internal.command.ICommandWithSettableResult

public class DeferredSetValueCommand
extends SetValueCommand
extends SetValueCommand

Command to set the value of a feature of a model element. The model element is not known at the time of command construction. Subclasses can override EditElementCommand.getElementToEdit() to compute or find the elementToEdit.

Constructor Summary

DeferredSetValueCommand ( SetRequest request)
Constructs a new command.

Method Summary

boolean canExecute ()
Always executable when we can't get the elementToEdit.

Methods inherited from class org.eclipse.gmf.runtime.emf.type.core.commands. SetValueCommand

doExecuteWithResult

Methods inherited from class org.eclipse.gmf.runtime.emf.type.core.commands. EditElementCommand

getAffectedFiles, getEClass, getEClassToEdit, getElementToEdit, getRequest, isOK, setEClass, setElementToEdit

Methods inherited from class org.eclipse.gmf.runtime.emf.commands.core.command. AbstractTransactionalCommand

aggregateStatuses, cleanup, compose, didRedo, didUndo, doExecute, doRedo, doUndo, getAffectedFiles, getCommandResult, getWorkspaceFiles, getWorkspaceFiles, internalSetResult, reduce, setResult

Methods inherited from class org.eclipse.emf.workspace.AbstractEMFOperation

canRedo, canSetOptions, canUndo, didCommit, dispose, execute, getChange, getEditingDomain, getOptions, isReuseParentTransaction, redo, setOptions, setReuseParentTransaction, undo

Methods inherited from class org.eclipse.core.commands.operations. AbstractOperation

addContext, getContexts, getLabel, hasContext, removeContext, setLabel, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.eclipse.gmf.runtime.common.core.command. ICommand

setLabel

Methods inherited from interface org.eclipse.core.commands.operations. IUndoableOperation

addContext, canRedo, canUndo, dispose, execute, getContexts, getLabel, hasContext, redo, removeContext, undo

Constructor Detail

DeferredSetValueCommand

public DeferredSetValueCommand(
SetRequest request)

Constructs a new command.

Parameters:: request - the set value request

Method Detail

canExecute

public boolean canExecute()

Always executable when we can't get the elementToEdit.

Specified by:: canExecute in interface IUndoableOperation
Overrides:: canExecute in class SetValueCommand