51 parentRegistry = NULL);
56 virtual void emptyList();
73 virtual bool removeConnection(
const DtString& source,
78 virtual bool removeAllConnectionsFrom(
const DtString& source);
82 virtual bool removeAllConnectionsTo(
const DtString& destination);
86 virtual bool removeConnections(
const std::list<DtConnectionDescriptor*> removeList);
97 virtual bool hasSystemOutput(
const DtString& outputPortName)
const;
101 virtual bool hasSystemInput(
const DtString& inputPortName)
const;
111 virtual DtlObjPtr
getData(DtlObjPtr args,
const DtFilename& searchPath,