@Override
    protected void perform(final Wave wave) throws CommandException {
        this.stackName = wave.get(UndoRedoWaves.STACK_NAME);
        getService(UndoRedoService.class, this.stackName).undo();
    }
@ Override protected void perform ( final Wave wave ) throws CommandException { this . stackName = wave . get ( UndoRedoWaves . STACK_NAME ) ; getService ( UndoRedoService . class , this . stackName ) . undo ( ) ; }
{@inheritDoc}