// -------------------------------------------------------------------------
// -----                       FairEventHeader header file                      -----
// -----          Created 08/09/04                 D.Bertini           -----
// -------------------------------------------------------------------------

#ifndef FAIREVENTHEADER_H
#define FAIREVENTHEADER_H


#include "TNamed.h"

/**
 *  Event Header Class
  **@author D.Bertini <d.bertini@gsi.de>
  **@author M.Al-Turany <m.al-turany@gsi.de>
 */
class FairEventHeader : public TNamed
{

  public:

    /** Default constructor */
    FairEventHeader();

    /** Get the run ID for this run*/
    UInt_t GetRunId() {return fRunId;}

    /** Get the MC time for this event*/
    Double_t GetEventTime() {return fEventTime;}

    /** Get the MC input file Id for this event*/
    Int_t GetInputFileId() {return fInputFileId;}

    /**The entry number in the original MC chain */
    Int_t GetMCEntryNumber() {return fMCEntryNo;}

    /** Set the run ID for this run
    * @param runid : unique run id
    */
    void SetRunId(UInt_t runid) {fRunId=runid;}

    /** Set the MC time for this event
     * @param time : time in ns
     */
    void SetEventTime(Double_t time) {fEventTime=time;}

    /** Set the Signal file Id for this event*/
    void SetInputFileId(Int_t id) {fInputFileId=id;}

    /**The entry number in the original MC chain */
    void SetMCEntryNumber(Int_t id) {fMCEntryNo=id;}

    /**
     * Destructor
     */
    virtual ~FairEventHeader();
    virtual void Register();
  protected:

    /** Run Id */
    UInt_t fRunId;
    /** Event Time **/
    Double_t  fEventTime;
    /** Input file identifier, the file description is in the File header*/
    Int_t     fInputFileId;
    /**MC entry number from input chain*/
    Int_t     fMCEntryNo;


    ClassDef(FairEventHeader,3)

};
#endif