mi32/containeritemsync.h

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#ifndef  INC_MI32_CONTAINERITEMSYNC_H
#define  INC_MI32_CONTAINERITEMSYNC_H

#ifndef  INC_MI32_CRITSEC_H
   #include <mi32/critsec.h>
#endif

#ifndef  INC_MI32_INTERLOCKEDINT32_H
   #include <mi32/interlockedint32.h>
#endif

#ifdef MISYSTEMDLL
   #define CLASSLIBEXPORT MI_DLLCLASSEXPORT
#else
   #define CLASSLIBEXPORT MI_DLLCLASSIMPORT
#endif

namespace MITHREAD {

class CLASSLIBEXPORT CONTAINERITEMSYNC {
   private:
      #ifndef GENERATING_DOXYGEN_OUTPUT
      class PRIV;
      #endif // GENERATING_DOXYGEN_OUTPUT
      
   public:
      class OBJECT {
         public:
            OBJECT (
               ) : m_Counter(0) { }
            
            ~OBJECT (
               ) { Release(); }
         
            void Release (
               ) {
               if (m_Counter != 0) {
                  (*m_Counter)--;
                  m_CacheLock.Release();
                  m_Counter = 0;
                  }
               return;
               }
               
         private:
            #ifndef GENERATING_DOXYGEN_OUTPUT
            CRITICALSECTION::LOCK m_CacheLock;
            INTERLOCKEDINT32* m_Counter;

            OBJECT (const OBJECT& rhs);
            OBJECT& operator=(const OBJECT& rhs);

            friend class CONTAINERITEMSYNC::PRIV;
            #endif // GENERATING_DOXYGEN_OUTPUT
         };

      CONTAINERITEMSYNC ();

      ~CONTAINERITEMSYNC ();

      void AcquireSyncObject (
         PTRUINT ItemID,         
         OBJECT& SyncObject      
         );

   private:
      #ifndef GENERATING_DOXYGEN_OUTPUT
      PRIV* m_pPriv;

      CONTAINERITEMSYNC (const CONTAINERITEMSYNC& rhs);
      CONTAINERITEMSYNC& operator=(const CONTAINERITEMSYNC& rhs);
      #endif // GENERATING_DOXYGEN_OUTPUT
   };

}     // End of MITHREAD namespace

#undef   CLASSLIBEXPORT
#endif   

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