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java.lang.Object | +--org.eclipse.emf.common.command.AbstractCommand | +--org.eclipse.emf.common.command.UnexecutableCommand
A singleton INSTANCE
that cannot execute.
Field Summary | |
---|---|
static UnexecutableCommand |
INSTANCE
The one instance of this object. |
Fields inherited from class org.eclipse.emf.common.command.AbstractCommand |
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description, isExecutable, isPrepared, label |
Method Summary | |
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boolean |
canExecute()
Returns false . |
boolean |
canUndo()
Returns false . |
void |
execute()
Throws an exception if it should ever be called. |
void |
redo()
Throws an exception if it should ever be called. |
Methods inherited from class org.eclipse.emf.common.command.AbstractCommand |
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chain, dispose, getAffectedObjects, getDescription, getLabel, getResult, prepare, setDescription, setLabel, toString, undo |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
public static final UnexecutableCommand INSTANCE
Method Detail |
public boolean canExecute()
false
.canExecute
in class AbstractCommand
false
.public void execute()
UnsupportedOperationException
- always.public boolean canUndo()
false
.canUndo
in class AbstractCommand
false
.public void redo()
UnsupportedOperationException
- always.
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Copyright 2001-2003 IBM Corporation and others. All Rights Reserved. |
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