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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 | |
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DestroyElementCommand(DestroyElementRequest request)
Constructs a new command to destroy a model element. |
Method Summary | |
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boolean |
canExecute()
Checks that the element to be modified by this command is of the correct kind. |
static void |
destroy(org.eclipse.emf.ecore.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 org.eclipse.emf.ecore.EObject |
getElementToDestroy()
Gets the element to be destroyed. |
protected void |
tearDownIncomingReferences(org.eclipse.emf.ecore.EObject destructee)
Tears down references to the object that we are destroying, from all other objects in the resource set. |
protected void |
tearDownOutgoingReferences(org.eclipse.emf.ecore.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 |
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getAffectedFiles, getEClass, getEClassToEdit, getElementToEdit, getRequest, isOK, setEClass, setElementToEdit |
Methods inherited from class org.eclipse.gmf.runtime.emf.commands.core.command.AbstractTransactionalCommand |
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aggregateStatuses, cleanup, compose, didRedo, didUndo, doExecute, doRedo, doUndo, getAffectedFiles, getCommandResult, getWorkspaceFiles, getWorkspaceFiles, internalSetResult, reduce, setResult |
Methods inherited from class org.eclipse.emf.workspace.AbstractEMFOperation |
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canRedo, canUndo, didCommit, dispose, execute, getChange, getEditingDomain, getOptions, redo, undo |
Methods inherited from class org.eclipse.core.commands.operations.AbstractOperation |
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addContext, getContexts, getLabel, hasContext, removeContext, setLabel, toString |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Methods inherited from interface org.eclipse.gmf.runtime.common.core.command.ICommand |
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setLabel |
Methods inherited from interface org.eclipse.core.commands.operations.IUndoableOperation |
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addContext, canRedo, canUndo, dispose, execute, getContexts, getLabel, hasContext, redo, removeContext, undo |
Constructor Detail |
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public DestroyElementCommand(DestroyElementRequest request)
request
- the destroy element requestMethod Detail |
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public static void destroy(org.eclipse.emf.ecore.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 destroyprotected CommandResult doExecuteWithResult(IProgressMonitor monitor, IAdaptable info) throws ExecutionException
AbstractTransactionalCommand
doExecuteWithResult
in class AbstractTransactionalCommand
monitor
- 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(org.eclipse.emf.ecore.EObject destructee)
destructee
- the object being destroyedprotected void tearDownOutgoingReferences(org.eclipse.emf.ecore.EObject destructee)
destructee
- the object being destroyedprotected org.eclipse.emf.ecore.EObject getElementToDestroy()
public boolean canExecute()
EditElementCommand
canExecute
in interface IUndoableOperation
canExecute
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.