[u/mrichter/AliRoot.git] / HBTAN / AliHBTRun.h

#ifndef ALIHBTRUN_H
#define ALIHBTRUN_H
//____________________
///////////////////////////////////////////////////////
//                                                   //
// AliHBTRun                                         //
//                                                   //
// Class storing and managing set events             //
// designed for fast acces                           //
//                                                   //
// Piotr.Skowronski@cern.ch                          //
// http://alisoft.cern.ch/people/skowron/analyzer    //
//                                                   //
///////////////////////////////////////////////////////


#include "AliHBTEvent.h"
#include <TObjArray.h>

class AliHBTParticle;

class AliHBTEvent;

class AliHBTRun: public TObject
 {
  public:
    AliHBTRun();
    virtual ~AliHBTRun();

    void            AddParticle(Int_t event, AliHBTParticle* part); //inerface to AliHBTEvent::AddParticle(AliHBTParticle*) 
    void            AddParticle(Int_t event, TParticle* part, Int_t idx);//inerface to AliHBTEvent::AddParticle(TParticle*) 
    
    //inerface to AliHBTEvent::AddParticle(Int_t.Double_t,Double_t,Double_t,Double_t,Double_t,Double_t,Double_t,Double_t,Double_t)
    void            AddParticle(Int_t event, Int_t pdg, Int_t idx,
                                Double_t px, Double_t py, Double_t pz, Double_t etot,
                                Double_t vx, Double_t vy, Double_t vz, Double_t time); 
    
    AliHBTParticle* GetParticle(Int_t event, Int_t n); //returns nth particle from event
    AliHBTEvent*    GetEvent(Int_t event) const; //returns AliHBTEvent number "event"
    
    Int_t           GetNumberOfEvents() const; //returns number of events
    Int_t         	GetNumberOfParticlesInEvent(Int_t event) const; //returns number of particles in event number "event"
    void            Reset();//clears all events in the array (deletes)
  protected:
    TObjArray* fEvents;//!Array containig AliHBTEvents
  private:
    
  public:
    ClassDef(AliHBTRun,1)
 };
 
 
/**************************************************************************/

inline
AliHBTEvent* AliHBTRun::GetEvent(Int_t event) const
{
//returns pointer to AliHBTEvent number "event"
  //check if array is enough big - protect from error massage from array "Out Of Bounds"
  if (event>=fEvents->GetSize()) return 0x0;//WARNING, that line relies 
                                            //on index of first object in TObjArray is 0
		    //== LowerBound = 0
  return (AliHBTEvent*)fEvents->At(event);
}
/**************************************************************************/
inline
AliHBTParticle* AliHBTRun::GetParticle(Int_t event, Int_t n) 
{
 //returns nth particle from event number event
  AliHBTEvent* e = GetEvent(event);
  return (e)?e->GetParticle(n):0x0;
}

/**************************************************************************/

inline
Int_t AliHBTRun::GetNumberOfEvents() const
 {
//returns number of events in collection

   return fEvents->GetEntriesFast(); //there may be empty slots but we do not care
                                     //Analysis checks it if return is not NULL
 }
/**************************************************************************/

inline
Int_t AliHBTRun::GetNumberOfParticlesInEvent(Int_t event) const
{
//returns number of Particles in event 
  AliHBTEvent* e = GetEvent(event);
  return (e)?e->GetNumberOfParticles():0x0;
}
 
#endif
Commit	Line	Data
1b446896	1	#ifndef ALIHBTRUN_H
1b446896	2	#define ALIHBTRUN_H
e1c43ab8	3	//____________________
	4	///////////////////////////////////////////////////////
	5	// //
	6	// AliHBTRun //
	7	// //
	8	// Class storing and managing set events //
	9	// designed for fast acces //
	10	// //
	11	// Piotr.Skowronski@cern.ch //
	12	// http://alisoft.cern.ch/people/skowron/analyzer //
	13	// //
	14	///////////////////////////////////////////////////////
	15
1b446896	16
	17	#include "AliHBTEvent.h"
	18	#include <TObjArray.h>
	19
1b446896	20	class AliHBTParticle;
	21
	22	class AliHBTEvent;
	23
	24	class AliHBTRun: public TObject
	25	{
	26	public:
	27	AliHBTRun();
	28	virtual ~AliHBTRun();
	29
	30	void AddParticle(Int_t event, AliHBTParticle* part); //inerface to AliHBTEvent::AddParticle(AliHBTParticle*)
8089a083	31	void AddParticle(Int_t event, TParticle* part, Int_t idx);//inerface to AliHBTEvent::AddParticle(TParticle*)
1b446896	32
1b446896	33	//inerface to AliHBTEvent::AddParticle(Int_t.Double_t,Double_t,Double_t,Double_t,Double_t,Double_t,Double_t,Double_t,Double_t)
8089a083	34	void AddParticle(Int_t event, Int_t pdg, Int_t idx,
1b446896	35	Double_t px, Double_t py, Double_t pz, Double_t etot,
	36	Double_t vx, Double_t vy, Double_t vz, Double_t time);
	37
	38	AliHBTParticle* GetParticle(Int_t event, Int_t n); //returns nth particle from event
	39	AliHBTEvent* GetEvent(Int_t event) const; //returns AliHBTEvent number "event"
	40
	41	Int_t GetNumberOfEvents() const; //returns number of events
	42	Int_t GetNumberOfParticlesInEvent(Int_t event) const; //returns number of particles in event number "event"
	43	void Reset();//clears all events in the array (deletes)
	44	protected:
	45	TObjArray* fEvents;//!Array containig AliHBTEvents
	46	private:
	47
	48	public:
	49	ClassDef(AliHBTRun,1)
	50	};
	51
	52
	53	/**************************************************************************/
	54
	55	inline
	56	AliHBTEvent* AliHBTRun::GetEvent(Int_t event) const
	57	{
	58	//returns pointer to AliHBTEvent number "event"
e1c43ab8	59	//check if array is enough big - protect from error massage from array "Out Of Bounds"
	60	if (event>=fEvents->GetSize()) return 0x0;//WARNING, that line relies
	61	//on index of first object in TObjArray is 0
	62	//== LowerBound = 0
1b446896	63	return (AliHBTEvent*)fEvents->At(event);
	64	}
	65	/**************************************************************************/
	66	inline
	67	AliHBTParticle* AliHBTRun::GetParticle(Int_t event, Int_t n)
	68	{
	69	//returns nth particle from event number event
e1c43ab8	70	AliHBTEvent* e = GetEvent(event);
e1c43ab8	71	return (e)?e->GetParticle(n):0x0;
1b446896	72	}
	73
	74	/**************************************************************************/
	75
	76	inline
	77	Int_t AliHBTRun::GetNumberOfEvents() const
	78	{
	79	//returns number of events in collection
	80
	81	return fEvents->GetEntriesFast(); //there may be empty slots but we do not care
	82	//Analysis checks it if return is not NULL
	83	}
	84	/**************************************************************************/
	85
	86	inline
	87	Int_t AliHBTRun::GetNumberOfParticlesInEvent(Int_t event) const
	88	{
	89	//returns number of Particles in event
e1c43ab8	90	AliHBTEvent* e = GetEvent(event);
e1c43ab8	91	return (e)?e->GetNumberOfParticles():0x0;
1b446896	92	}
	93
	94	#endif