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/Go4Queue/TGo4BufferQueue.h

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//---------------------------------------------------------------
//        Go4 Release Package v2.10-5 (build 21005) 
//                      03-Nov-2005
//---------------------------------------------------------------
//       The GSI Online Offline Object Oriented (Go4) Project
//       Experiment Data Processing at DVEE department, GSI
//---------------------------------------------------------------
//
//Copyright (C) 2000- Gesellschaft f. Schwerionenforschung, GSI
//                    Planckstr. 1, 64291 Darmstadt, Germany
//Contact:            http://go4.gsi.de
//----------------------------------------------------------------
//This software can be used under the license agreements as stated
//in Go4License.txt file which is part of the distribution.
//----------------------------------------------------------------
#ifndef TGO4BUFFERQUEUE_H
#define TGO4BUFFERQUEUE_H

#include "TGo4Queue.h"

class TMutex;
class TIterator;
class TList;
class TBuffer;

class TGo4BufferQueue : public TGo4Queue {
    
   public:

      TGo4BufferQueue() ;

      TGo4BufferQueue(const char* name);

      void AddBufferFromObject(TObject * object);

      void AddBuffer(TBuffer * buffer, Bool_t clone=kFALSE);

      void FreeBuffer(TBuffer * buffer);

      virtual void Clear(Option_t* opt="");

      TBuffer * WaitBuffer();

      TObject * WaitObjectFromBuffer();

      virtual ~TGo4BufferQueue() ;

    static TBuffer* CreateValueBuffer(UInt_t val);

    static Int_t DecodeValueBuffer(TBuffer* buf);


    static const Int_t fgiISOWNER;

   private:
      void InitBuffers();

      void Realloc(TBuffer* buffer, Int_t oldsize, Int_t newsize);

      TBuffer* NewEntry();



      TList* fxBufferList; 

      TList* fxFreeList;   
      TMutex * fxBufferMutex; 
      Int_t fiOverflowcount;

      TIterator * fxBufferIterator; 

      Int_t fiMaxBuffers;

};

#endif //TGO4BUFFERQUEUE_H

//----------------------------END OF GO4 SOURCE FILE ---------------------

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