shareDO.setPrioritaet(prio);
    public void setPriority(int prio) {        if (isLeaf()) {            shareDO.setPrioritaet(prio);            ApplejuiceFassade.getInstance().setPrioritaet(shareDO.getId(), prio);        }        else {            Iterator it = children.values().iterator();            while (it.hasNext()) {                ( (ShareNode) it.next()).setPriority(prio);            }        }    }