Processor p = (Processor) getChildItem(Controller.PROCESSOR);
Processor p = (Processor) getChild(Controller.PROCESSOR);
    private void process(String a, DomainModel dm) throws Exception {        Processor p = (Processor) getChildItem(Controller.PROCESSOR);        if (p != null) {            p.process(a, dm);        } else {            throw new Exception("Could not process model. The processor is null.");        }    }