Bug 89031 [Undo/Redo] IWorkbench#getOperationSupport() marked experimental
IWorkbench#getOperationSupport() marked experimental
bundles/org.eclipse.core.commands/src/org/eclipse/core/commands/operations/AbstractOperation.java
public boolean canUndo() {
		return true;
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.core.commands.operations.IUndoableOperation#dispose()
	 */
	public void dispose() {
		
	}
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.core.commands.operations.IUndoableOperation#execute(org.eclipse.core.runtime.IProgressMonitor, org.eclipse.core.runtime.IAdaptable)
	 */
	public abstract IStatus execute(IProgressMonitor monitor, IAdaptable info) throws ExecutionException;
	public IUndoContext[] getContexts() {
		return (IUndoContext[]) contexts.toArray(new IUndoContext[contexts
				.size()]);
	}
	
	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.core.commands.operations.IUndoableOperation#getLabel()
	 */
	public String getLabel() {
		return label;
	}