TGo4FileSource.h

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// $Id$
//-----------------------------------------------------------------------
//       The GSI Online Offline Object Oriented (Go4) Project
//         Experiment Data Processing at EE department, GSI
//-----------------------------------------------------------------------
// Copyright (C) 2000- GSI Helmholtzzentrum fuer 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 TGO4FILESOURCE_H
#define TGO4FILESOURCE_H

#include "TGo4EventSource.h"

#include "TString.h"

class TFile;
class TTree;
class TList;
class TGo4FileSourceParameter;
class TGo4EventElement;

class TGo4FileSource : public TGo4EventSource {

  public:

    TGo4FileSource();

    TGo4FileSource(TGo4FileSourceParameter *par);

    TGo4FileSource(const char *name);

    virtual ~TGo4FileSource();

    Bool_t BuildEvent(TGo4EventElement *dest) override;

    static TList *ProducesFilesList(const char *mask);

  private:

    TFile *fxFile{nullptr}; 

    TTree *fxTree{nullptr}; 

    Long64_t fiMaxEvents{0};

    Long64_t fiCurrentEvent{0};

    long int fiGlobalEvent{0};   

    Bool_t fbActivated{kFALSE}; 

    TGo4EventElement *fxTopEvent{nullptr}; 

    TList *fxFilesNames{nullptr}; 

    TString fxCurrentFileName;  

    Bool_t OpenNextFile();

    Bool_t CloseCurrentFile();

  ClassDefOverride(TGo4FileSource,2)
};

#endif //TGO4FILESOURCE_H