Message/include/Tourist/Message/MessageTypeData.h

   1 #ifndef MESSAGETYPEDATA_
   2 #define MESSAGETYPEDATA_
   3
   4 #include "Tourist/AbstractMessage.h"
   5 #include "Poco/DynamicFactory.h"
   6 #include "Poco/Instantiator.h"
   7
   8 using Tourist::AbstractMessage;
   9 using Poco::DynamicFactory;
  10 using Poco::AbstractInstantiator;
  11
  12 namespace Tourist {
  13 namespace Message {
  14
  15 /**
  16  * Handles mapping between message type and actual object that
  17  * contains logic for serialization and deserialization for that
  18  * object.
  19  */
  20
  21 class MessageTypeData
  22 {
  23 public:
  24   MessageTypeData();
  25
  26   ~MessageTypeData();
  27
  28   typedef AbstractInstantiator<AbstractMessage> MessageInstantiator;
  29
  30   int registerMessageObj(int type, MessageInstantiator * instance);
  31
  32   AbstractMessage* createInstance(int type);
  33
  34   // cache transfer reuqest object id
  35   const static int CACHE_XFER_REQ;
  36
  37   // cache transfer reply object id
  38   const static int CACHE_XFER_REP;
  39
  40   //boot strap request method id
  41   const static int BOOTSTRAP_REQ;
  42
  43   const static int BOOTSTRAP_REP;
  44
  45   const static int PEER_ANNOUNCE;
  46
  47         const static int MULTICAST;
  48
  49 private:
  50   DynamicFactory<AbstractMessage> dynFactory;
  51
  52   //register builtin message objects.
  53   void registerBuiltIns();
  54
  55
  56 };
  57
  58 } // namespace Message
  59 } // namespace Tourist
  60
  61 #endif /*MESSAGETYPEDATA_*/