IDatabaseObject.h

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#ifndef IDatabaseObject_h
#define IDatabaseObject_h

#include "util/RefCount.h"
#include "zg/INetworkTimeProvider.h"
#include "zg/ZGNameSpace.h"

namespace zg
{

class ZGDatabasePeerSession;

class IDatabaseObject : public RefCountable, public INetworkTimeProvider
{
public:
   IDatabaseObject() : _session(NULL) {/* empty */}

   virtual ~IDatabaseObject() {/* empty */}

   virtual void SetToDefaultState() = 0;

   virtual status_t SetFromArchive(const ConstMessageRef & archive) = 0;

   virtual status_t SaveToArchive(const MessageRef & archive) const = 0;

   virtual uint32 GetCurrentChecksum() const = 0;

   virtual uint32 CalculateChecksum() const = 0;

   virtual ConstMessageRef SeniorUpdate(const ConstMessageRef & seniorDoMsg) = 0;

   virtual status_t JuniorUpdate(const ConstMessageRef & juniorDoMsg) = 0;

   virtual String ToString() const = 0;

   ZGDatabasePeerSession * GetDatabasePeerSession() {return _session;}

   const ZGDatabasePeerSession * GetDatabasePeerSession() const {return _session;}

protected:
   const IDatabaseObject * GetDatabaseObject(uint32 whichDatabase) const;

   bool IsPeerOnline(const ZGPeerID & pid) const;

   const Hashtable<ZGPeerID, ConstMessageRef> & GetOnlinePeers() const;

   virtual uint64 GetNetworkTime64() const;

   virtual uint64 GetRunTime64ForNetworkTime64(uint64 networkTime64TimeStamp) const;

   virtual uint64 GetNetworkTime64ForRunTime64(uint64 runTime64TimeStamp) const;

   virtual int64 GetToNetworkTimeOffset() const;

private:
   friend class ZGDatabasePeerSession;

   ZGDatabasePeerSession * _session;
};
DECLARE_REFTYPES(IDatabaseObject);

};  // end namespace zg

#endif