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java.lang.Objectorg.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.DestroyElementCommand
public class DestroyElementCommand
Command to create a model element using the EMF action protocol.
| Constructor Summary | |
|---|---|
DestroyElementCommand(DestroyElementRequest request)
Constructs a new command to destroy a model element. |
|
| Method Summary | |
|---|---|
boolean |
canExecute()
Checks that the element to be modified by this command is of the correct kind. |
static void |
destroy(EObject eObject)
Convenience method for destroying the specified object by executing a DestroyElementCommand on it, if it is attached to a
resource. |
protected CommandResult |
doExecuteWithResult(IProgressMonitor monitor,
IAdaptable info)
Implemented by subclasses to perform the model changes. |
protected EObject |
getElementToDestroy()
Gets the element to be destroyed. |
protected void |
tearDownIncomingReferences(EObject destructee)
Tears down references to the object that we are destroying, from all other objects in the resource set. |
protected void |
tearDownOutgoingReferences(EObject destructee)
Tears down outgoing unidirectional references from the object being destroyed to all other elements in the resource set. |
| 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, canUndo, didCommit, dispose, execute, getChange, getEditingDomain, getOptions, redo, 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 |
|---|
public DestroyElementCommand(DestroyElementRequest request)
request - the destroy element request| Method Detail |
|---|
public static void destroy(EObject eObject)
DestroyElementCommand on it, if it is attached to a
resource. Detached elements cannot be destroyed.
Note that the command will not be executed on the operation history.
eObject - an element to destroy
protected CommandResult doExecuteWithResult(IProgressMonitor monitor,
IAdaptable info)
throws ExecutionException
AbstractTransactionalCommand
doExecuteWithResult in class AbstractTransactionalCommandmonitor - the progress monitor provided by the operation historyinfo - the adaptable provided by the operation history
ExecutionException - if, for some reason, I fail to complete
the operationprotected void tearDownIncomingReferences(EObject destructee)
destructee - the object being destroyedprotected void tearDownOutgoingReferences(EObject destructee)
destructee - the object being destroyedprotected EObject getElementToDestroy()
public boolean canExecute()
EditElementCommand
canExecute in interface IUndoableOperationcanExecute in class EditElementCommand
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Guidelines for using Eclipse APIs.
Copyright (c) IBM Corp., Borland Software Corp., and others 2005,2006. All rights reserved.