PassiveNode passiveDestNode = (PassiveNode) destNode;
    public boolean isProducingForNode(PassiveNode destNode) {        PassiveNode passiveDestNode = (PassiveNode) destNode;        List currentNodesConnected = getDestNodes();        for (Iterator iter = currentNodesConnected.iterator(); iter.hasNext();) {            ModuleNode currentNode = (ModuleNode) iter.next();            if (currentNode.getClass().equals(destNode.getClass()))                return true;        }        return false;    }