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

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

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

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

Direct Known Subclasses:: DeferredSetValueCommand

public class SetValueCommand
extends EditElementCommand
extends EditElementCommand

Command to set the value of a feature of a model element.

Constructor Summary

SetValueCommand ( SetRequest request)
          Constructs a new command to set the value of a feature of a model element.

Method Summary

boolean canExecute ()
          Checks that the feature is a modifiable feature of the element whose value will be set by this command.

protected CommandResult doExecuteWithResult ( IProgressMonitor monitor, IAdaptable info)
          Implemented by subclasses to perform the model changes.

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

SetValueCommand

public SetValueCommand(
SetRequest request)

Constructs a new command to set the value of a feature of a model element.

Parameters:: request - the set value request

Method Detail

doExecuteWithResult

protected 
CommandResult doExecuteWithResult(
IProgressMonitor monitor,
                                            
IAdaptable info)
                                     throws 
ExecutionException

Description copied from class: AbstractTransactionalCommand

Implemented by subclasses to perform the model changes. These changes are applied by manipulation of the EMF metamodel's API, not by executing commands on the editing domain's command stack.

Specified by:: doExecuteWithResult in class AbstractTransactionalCommand

Parameters:: monitor - the progress monitor provided by the operation history; info - the adaptable provided by the operation history
Returns:: the result of the execution
Throws:: ExecutionException - if, for some reason, I fail to complete the operation

canExecute

public boolean canExecute()

Checks that the feature is a modifiable feature of the element whose value will be set by this command. Also checks that the new value is of the correct type for the feature.

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