-//
-// Class AliRsnPairDef
-//
-// Defines a decay channel for a resonance,
-// resulting in a specified PDG code for the mother,
-// and the particle type for the daughters, defined
-// according to the internal PID format of the package
-//
-// author: A. Pulvirenti (alberto.pulvirenti@ct.infn.it)
-//
-
#ifndef ALIRSNPAIRDEF_H
#define ALIRSNPAIRDEF_H
-#include <TString.h>
-
-#include "AliPID.h"
-
-class AliRsnDaughter;
-
-class AliRsnPairDef : public TObject
-{
- public:
-
- AliRsnPairDef();
- AliRsnPairDef(Char_t sign1, AliPID::EParticleType type1,
- Char_t sign2, AliPID::EParticleType type2, Int_t motherPDG = 0);
- AliRsnPairDef(AliPID::EParticleType type1, Char_t sign1,
- AliPID::EParticleType type2, Char_t sign2, Int_t motherPDG = 0);
- AliRsnPairDef(const AliRsnPairDef ©);
- const AliRsnPairDef& operator= (const AliRsnPairDef ©);
- virtual ~AliRsnPairDef() { }
-
- // getters
- Char_t GetCharge(Int_t i) const {if (i>=0&&i<2) return fCharge[i]; else return 0;}
- AliPID::EParticleType GetType(Int_t i) const {if (i>=0&&i<2) return fType[i]; else return AliPID::kUnknown;}
- Double_t GetMass(Int_t i) const {if (i>=0&&i<2) return fMass[i]; else return 0.0;}
- Int_t GetMotherPDG() const {return fMotherPDG;}
- TString GetPairName();
-
- // setters
- Bool_t SetPairElement(Int_t i, Char_t charge, AliPID::EParticleType pid);
- Bool_t SetPair(Char_t ch1, AliPID::EParticleType pid1, Char_t ch2, AliPID::EParticleType pid2);
- void SetMotherPDG(Int_t pdg) {fMotherPDG = pdg;}
-
- // pair information methods
- Bool_t IsLikeSign() {return (fCharge[0] == fCharge[1]);}
- Bool_t HasEqualTypes() {return (fType[0] == fType[1]);}
-
- private:
-
- // pair parameters
- Int_t fMotherPDG; // PDG code of true mother (if known)
- Double_t fMass[2]; // mass of particles
- Char_t fCharge[2]; // charge of particles
- AliPID::EParticleType fType[2]; // PID of particles
-
- // ROOT dictionary
- ClassDef(AliRsnPairDef, 1)
+/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
+ * See cxx source for full Copyright notice */
+
+////////////////////////////////////////////////////////////////////////////////
+//
+// Resonance decay tree definition.
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#include "AliRsnDaughter.h"
+#include "AliRsnDaughterDef.h"
+
+class AliRsnPairDef : public TObject {
+public:
+
+ AliRsnPairDef();
+ AliRsnPairDef(EPARTYPE type1, Char_t ch1, EPARTYPE type2, Char_t ch2, Int_t motherPDG = 0, Double_t motherMass = 0.0);
+ AliRsnPairDef(AliRsnDaughter::ESpecies type1, Char_t ch1, AliRsnDaughter::ESpecies type2, Char_t ch2, Int_t motherPDG = 0, Double_t motherMass = 0.0);
+ AliRsnPairDef(const AliRsnPairDef ©);
+ const AliRsnPairDef& operator= (const AliRsnPairDef ©);
+ virtual ~AliRsnPairDef() { }
+
+ virtual const char* GetName() const {return Form("%s_%s", fDef1.GetName(), fDef2.GetName());}
+ Int_t GetMotherPDG() const {return fMotherPDG;}
+ Double_t GetMotherMass() const {return fMotherMass;}
+ AliRsnDaughterDef& GetDef1() {return fDef1;}
+ AliRsnDaughterDef& GetDef2() {return fDef2;}
+ AliRsnDaughterDef& GetDef(Int_t i) {if (i<1) return GetDef1(); else return GetDef2();}
+
+ void SetMotherPDG(Int_t pdg) {fMotherPDG = pdg;}
+ void SetMotherMass(Double_t mass) {fMotherMass = mass;}
+ void SetDef1(AliRsnDaughterDef *def) {if (def) fDef1 = (*def);}
+ void SetDef2(AliRsnDaughterDef *def) {if (def) fDef2 = (*def);}
+ void SetDef(Int_t i, AliRsnDaughterDef *def) {if (!def) return; if (i<1) fDef1 = (*def); else fDef2 = (*def);}
+
+ Bool_t IsLikeSign() const {return (fDef1.GetChargeC() == fDef2.GetChargeC());}
+ Bool_t HasEqualPID() const {return (fDef1.GetPID() == fDef2.GetPID());}
+
+private:
+
+ Double_t fMotherMass; // nominal mass of true mother
+ Int_t fMotherPDG; // PDG code of true mother (if known)
+ AliRsnDaughterDef fDef1; // definitions for daughter #1 (see class)
+ AliRsnDaughterDef fDef2; // definitions for daughter #2 (see class)
+
+ // ROOT dictionary
+ ClassDef(AliRsnPairDef, 1)
};
#endif