33 #ifndef BESDataHandlerInterface_h_
34 #define BESDataHandlerInterface_h_ 1
63 ostream *output_stream ;
98 string err =
"output stream has already been set" ;
101 output_stream = strm ;
106 throw BESInternalError(
"output stream has not yet been set, cannot use", __FILE__, __LINE__ ) ;
107 return *output_stream ;
163 void dump( ostream &strm )
const ;
167 #endif // BESDataHandlerInterface_h_