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/home/weinberg/src/BIE/persistence/Backend.h // This is really -*- C++ -*- #ifndef Backend_h #define Backend_h #include <string> #include <cc++/config.h> #include <boost/serialization/vector.hpp> #include "UserState.h" class Backend { public: Backend() {}; virtual ~Backend() {}; /* virtual void setSession(const std::string session) = 0; */ /* virtual std::string getSession() = 0; */ /* virtual uint32 makeNewVersion() = 0; */ /* virtual void setVersion(uint32 ver) = 0; */ /* virtual uint32 getVersion() = 0; */ virtual void listSessions(std::vector<std::string>& list) = 0; virtual bool listVersions(std::vector<uint32>& list, const std::string& session) = 0; virtual std::istream& getInputStream(const UserState* userState, const std::string& filename) = 0; virtual std::istream& getInputStream(const std::string& session, uint32 version, const std::string& filename) = 0; virtual std::ostream& getOutputStream(const UserState* userState, const std::string& filename) = 0; virtual std::ostream& getOutputStream(const std::string& session, uint32 version, const std::string& filename) = 0; }; #endif