/**
 * \file CbmMatch2.h
 * \author Andrey Lebedev <andrey.lebedev@gsi.de>
 * \date 2013
 *
 * Base data class for storing RECO-to-MC matching information.
 **/

#ifndef CBMMATCH2_H_
#define CBMMATCH2_H_

#include "TObject.h"
#include "TList.h"
#include "CbmLink.h"
#include <string>
#include <vector>
#include <algorithm>

using std::string;
using std::vector;
using std::pair;

class CbmMatch2 : public TObject
{
public:
   /**
    * \brief Default constructor.
    */
   CbmMatch2();

   /**
    * \brief Destructor.
    */
   virtual ~CbmMatch2() { fLinks.Delete(); }

   /* Accessors */
   CbmLink* GetLink(Int_t i) const { return dynamic_cast<CbmLink*>(fLinks.At(i)); }
   const TList& GetLinks() { return fLinks; }
   CbmLink* GetMatchedLink() { return GetLink(fMatchedIndex); }
   Int_t GetNofLinks() const { return fLinks.GetSize(); }
   Double_t GetTotalWeight() const { return fTotalWeight; }

   /* Modifiers */
   void AddLinks(const CbmMatch2& match);
   void AddLink(CbmLink* newLink);
   void AddLink(Double_t weight, Int_t index, Int_t entry = -1, Int_t file = -1);
   void ClearLinks();

   /**
    * \brief Return string representation of the object.
    * \return String representation of the object.
    **/
   virtual string ToString() const;

protected:
   TList fLinks; // List of links to MC
   Double_t fTotalWeight; // Sum of all reference weights
   Int_t fMatchedIndex; // Index of the matched reference in fReferences array

   ClassDef(CbmMatch2, 1);
};

#endif /* CBMMATCH2_H_ */