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AlephInteractiveHandler.h

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//
// CLASS AlephInteractiveHandler.h
// handles the communication with the external world 
// for interactive sessions
//
// Author :  C. Delaere
//


#ifndef _ALEPHINTERACTIVEHANDLER_H_
#define _ALEPHINTERACTIVEHANDLER_H_

#include <vector>

class AlphaBanks;
class AlephAbstractInteractiveFunction;

class AlephInteractiveHandler
{
        public:
                // the instance function of the  Singleton
                static AlephInteractiveHandler* TheAlephInteractiveHandler();
                // the list of interactive functions
                static vector<AlephAbstractInteractiveFunction*> InteractiveFunctionsList;
                // configure the communications
                void ConfigureProtocol(string myname, string yourname);
                // prepare the run (send list of user's functions, finish with ready
                void InitiateConnection(int& ier);
                // communicate with the external world using driver and user's functions
                int HandleEvent(AlphaBanks& bb);
                // terminate the session by sending the 999 message.
                void CloseConnection();
                // Do we want all the events or just selected ones ?
                bool KeepAllEvents() {return kae;}

        protected:
                // constructor and destructor
                AlephInteractiveHandler();
                ~AlephInteractiveHandler();

        private:
                // the pointer to the single static instance
                static AlephInteractiveHandler* _theAlephInteractiveHandler;
                // reset the InteractiveFunctionsList
                void ClearAll();
                // the protocol
                void SendMessage(int code, vector<float>& options, string comment);
                vector<float> ReceiveMessage(int& code, string& comment);
                // Do we want all the events or just selected ones ?
                bool kae;
                // some parameters for the communication
                string me, you;
        friend class AlephAbstractInteractiveFunction;
};

#endif

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