BmnLink.h

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/**
 * \file BmnLink.h
 * \author Andrey Lebedev <andrey.lebedev@gsi.de> - original author for CBM experiment
 * \author Sergey Merts <sergey.merts@gmail.com> - modifications for BMN experiment
 * \date 2013-2014
 *
 * Base data class for storing MC information link.
 **/
 
#ifndef BMNLINK_H_
#define BMNLINK_H_
 
#include "TObject.h"
 
#include <string>
 
using std::string;
 
class BmnLink : public TObject
{
  public:
    /**
     * \brief Constructor.
     */
    BmnLink();
 
    /**
     * \brief Standard constructor.
     */
    BmnLink(Float_t weight, Int_t index, Int_t entry = -1, Int_t file = -1);
 
    /**
     * \brief Destructor.
     */
    virtual ~BmnLink();
 
    /* Modifiers */
    Int_t GetFile() const { return fFile; }
    Int_t GetEntry() const { return fEntry; }
    Int_t GetIndex() const { return fIndex; }
    Float_t GetWeight() const { return fWeight; }
 
    /* Accessors */
    void SetFile(Int_t file) { fFile = file; }
    void SetEntry(Int_t entry) { fEntry = entry; }
    void SetIndex(Int_t index) { fIndex = index; }
    void SetWeight(Float_t weight) { fWeight = weight; }
 
    void AddWeight(Float_t weight) { fWeight += weight; }
 
    /**
     * \brief Return string representation of the object.
     * \return String representation of the object.
     **/
    virtual string ToString() const;
 
    friend Bool_t operator==(const BmnLink& lhs, const BmnLink& rhs)
    {
        return (lhs.GetFile() == rhs.GetFile() && lhs.GetEntry() == rhs.GetEntry() && lhs.GetIndex() == rhs.GetIndex());
    }
 
  private:
    Int_t fFile;       // File ID
    Int_t fEntry;      // Entry number
    Int_t fIndex;      // Index in array
    Float_t fWeight;   // Weight
 
    ClassDef(BmnLink, 1)
};
 
#endif /* BMNLINK_H_ */