Go4EventServer/TGo4MainTree.h

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// $Id: TGo4MainTree.h 478 2009-10-29 12:26:09Z linev $
//-----------------------------------------------------------------------
//       The GSI Online Offline Object Oriented (Go4) Project
//         Experiment Data Processing at EE department, GSI
//-----------------------------------------------------------------------
// Copyright (C) 2000- GSI Helmholtzzentrum für Schwerionenforschung GmbH
//                     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 TGO4MAINTREE_H
#define TGO4MAINTREE_H

#include "TObject.h"

class TTree;
class TFile;

class TGo4MainTree : public TObject {
  friend class TGo4TreeSource;
  friend class TGo4TreeStore;

  protected:
    TTree* GetTree() { return fxTree; }

    TGo4MainTree();

  public:

    virtual ~TGo4MainTree();

    static const char* fgcTREENAME; 

    static const char* fgcFILENAME; 

    static const Int_t fgiCOMPRESS; 

    static const Int_t fgiAUTOSAVESIZE; 

    static TGo4MainTree * Instance();

    static Bool_t Exists() { return fxInstance!=0; }

    Int_t GetCurrentIndex() const { return fiCurrentIndex; }

    Int_t IncCurrentIndex() { return (++fiCurrentIndex); }

    void SetCurrentIndex(Int_t number=0) { fiCurrentIndex = number; }

    Int_t GetMaxIndex();

    void SetAutoSave(Int_t bytesinterval);

    void Update();

    virtual Int_t Write(const char* dummy=0, Int_t option=0, Int_t bufsize=0);
    virtual Int_t Write(const char* dummy=0, Int_t option=0, Int_t bufsize=0) const;

  private:

    static TGo4MainTree * fxInstance; 

    TFile* fxFile; 

    TTree * fxTree; 

    Int_t fiMaxIndex;

    Int_t fiCurrentIndex;

  ClassDef(TGo4MainTree,1)
};

#endif //TGO4MAINTREE_H