00001 #ifndef IECHO_H 00002 #define IECHO_H 00003 #include <doil/ImplBase.h> 00004 #include <string> 00005 #include <iostream> 00006 //------------------------------------------------------------ 00007 // Implementation class 00008 //------------------------------------------------------------ 00009 class IEcho 00010 { 00011 public: 00012 virtual ~IEcho(){}; 00013 virtual void echo(std::string msg) = 0; 00014 }; 00015 00016 #endif // IECHO_H