/*
$Log$
+Revision 1.4 1999/09/29 09:24:12 fca
+Introduction of the Copyright and cvs Log
+
*/
-#include "AliGenerator.h"
#include "AliGenCocktail.h"
+#include "AliGenCocktailEntry.h"
#include "AliRun.h"
-#include <TDirectory.h>
-#include <TFile.h>
-#include <TTree.h>
#include <stdlib.h>
-ClassImp(AliGenCocktailEntry)
-void AliGenCocktailEntry::PrintInfo()
-{
-printf("\n Generator: %s Generated Events: %d First: %d Last: %d",
- (const char *) fName, fGenerator->NumberParticles(), fFirst, fLast);
-}
ClassImp(AliGenCocktail)
AliGenCocktail::AliGenCocktail()
:AliGenerator()
{
+// Constructor
fEntries = new TList;
fNGenerators=0;
}
+AliGenCocktail::AliGenCocktail(const AliGenCocktail & cocktail)
+{
+// copy constructor
+}
AliGenCocktail::~AliGenCocktail()
{
+// Destructor
delete fEntries;
}
Generator->SetTrackingFlag(fTrackIt);
//
// Add generator to list
- AliGenCocktailEntry *Entry =
+ AliGenCocktailEntry *entry =
new AliGenCocktailEntry(Generator, Name, RateExp);
- fEntries->Add(Entry);
+ fEntries->Add(entry);
fNGenerators++;
}
void AliGenCocktail::Init()
- {
- TIter next(fEntries);
- AliGenCocktailEntry *Entry;
- //
- // Loop over generators and initialize
- while((Entry = (AliGenCocktailEntry*)next())) {
- Entry->Generator()->Init();
- }
- }
+{
+// Initialisation
+ TIter next(fEntries);
+ AliGenCocktailEntry *entry;
+ //
+ // Loop over generators and initialize
+ while((entry = (AliGenCocktailEntry*)next())) {
+ entry->Generator()->Init();
+ }
+}
void AliGenCocktail::Generate()
- {
- TIter next(fEntries);
- AliGenCocktailEntry *Entry;
- AliGenCocktailEntry *e1;
- AliGenCocktailEntry *e2;
- TClonesArray *PartArray = gAlice->Particles();
- //
- // Loop over generators and generate events
- Int_t igen=0;
- while((Entry = (AliGenCocktailEntry*)next())) {
- igen++;
- if (igen ==1) {
- Entry->SetFirst(0);
- } else {
- Entry->SetFirst((PartArray->GetEntriesFast())+1);
- }
- Entry->Generator()->Generate();
- Entry->SetLast(PartArray->GetEntriesFast());
- }
- next.Reset();
- while((Entry = (AliGenCocktailEntry*)next())) {
- Entry->PrintInfo();
- }
- for (Entry=FirstGenerator();
- Entry;
- Entry=NextGenerator()
- ) {
- Entry->PrintInfo();
- }
- for (FirstGeneratorPair(e1,e2);
- (e1&&e2);
- NextGeneratorPair(e1,e2)
- ){
- printf("\n -----------------------------");
- e1->PrintInfo();
- e2->PrintInfo();
- }
- }
+{
+//
+// Generate event
+ TIter next(fEntries);
+ AliGenCocktailEntry *entry;
+ AliGenCocktailEntry *e1;
+ AliGenCocktailEntry *e2;
+ TClonesArray *partArray = gAlice->Particles();
+ //
+ // Loop over generators and generate events
+ Int_t igen=0;
+ while((entry = (AliGenCocktailEntry*)next())) {
+ igen++;
+ if (igen ==1) {
+ entry->SetFirst(0);
+ } else {
+ entry->SetFirst((partArray->GetEntriesFast())+1);
+ }
+ entry->Generator()->Generate();
+ entry->SetLast(partArray->GetEntriesFast());
+ }
+ next.Reset();
+ while((entry = (AliGenCocktailEntry*)next())) {
+ entry->PrintInfo();
+ }
+ for (entry=FirstGenerator();
+ entry;
+ entry=NextGenerator()
+ ) {
+ entry->PrintInfo();
+ }
+ for (FirstGeneratorPair(e1,e2);
+ (e1&&e2);
+ NextGeneratorPair(e1,e2)
+ ){
+ printf("\n -----------------------------");
+ e1->PrintInfo();
+ e2->PrintInfo();
+ }
+}
AliGenCocktailEntry * AliGenCocktail::FirstGenerator()
{
+// Iterator over generators: Initialisation
flnk1 = fEntries->FirstLink();
if (flnk1) {
return (AliGenCocktailEntry*) (flnk1->GetObject());
AliGenCocktailEntry* AliGenCocktail::NextGenerator()
{
+// Iterator over generators: Increment
flnk1 = flnk1->Next();
if (flnk1) {
return (AliGenCocktailEntry*) (flnk1->GetObject());
void AliGenCocktail::
FirstGeneratorPair(AliGenCocktailEntry*& e1, AliGenCocktailEntry*& e2)
{
+// Iterator over generator pairs: Initialisation
flnk2 = flnk1 = fEntries->FirstLink();
if (flnk1) {
e2 = e1 = (AliGenCocktailEntry*) (flnk1->GetObject());
void AliGenCocktail::
NextGeneratorPair(AliGenCocktailEntry*& e1, AliGenCocktailEntry*& e2)
{
+// Iterator over generators: Increment
flnk2 = flnk2->Next();
if (flnk2) {
e1 = (AliGenCocktailEntry*) (flnk1->GetObject());
void AliGenCocktail::Streamer(TBuffer &R__b)
{
- // Stream an object of class AliGenCocktail.
- TIter next(fEntries);
- AliGenCocktailEntry *Entry;
-
- if (R__b.IsReading()) {
- Version_t R__v = R__b.ReadVersion(); if (R__v) { }
- AliGenerator::Streamer(R__b);
- R__b >> fNGenerators;
- R__b >> fEntries;
+ // Stream an object of class AliGenCocktail.
+ TIter next(fEntries);
+ AliGenCocktailEntry *entry;
+
+ if (R__b.IsReading()) {
+ Version_t R__v = R__b.ReadVersion(); if (R__v) { }
+ AliGenerator::Streamer(R__b);
+ R__b >> fNGenerators;
+ R__b >> fEntries;
// Stream generation related information
- while((Entry = (AliGenCocktailEntry*)next())) {
- Entry->Streamer(R__b);
- }
- } else {
- R__b.WriteVersion(AliGenCocktail::IsA());
- AliGenerator::Streamer(R__b);
- R__b << fNGenerators;
- R__b << fEntries;
+ while((entry = (AliGenCocktailEntry*)next())) {
+ entry->Streamer(R__b);
+ }
+ } else {
+ R__b.WriteVersion(AliGenCocktail::IsA());
+ AliGenerator::Streamer(R__b);
+ R__b << fNGenerators;
+ R__b << fEntries;
// Stream generation related information
- while((Entry = (AliGenCocktailEntry*)next())) {
- Entry->Streamer(R__b);
- }
- }
+ while((entry = (AliGenCocktailEntry*)next())) {
+ entry->Streamer(R__b);
+ }
+ }
+}
+
+AliGenCocktail& AliGenCocktail::operator=(const AliGenCocktail& rhs)
+{
+// Assignment operator
+ return *this;
}
/* $Id$ */
-///////////////////////////////////////////////////////////
-// //
-// Class to generate the particles for the MC //
-// The base class is empty //
-// //
-///////////////////////////////////////////////////////////
-
#include "AliGenerator.h"
-#include <TClass.h>
-#include <TNamed.h>
-#include <TF1.h>
-#include <TArrayF.h>
-#include <TTree.h>
-
-class AliGenCocktailEntry : public TObject
-{
- protected:
- AliGenerator *fGenerator;
- Int_t fNGenerated;
- Int_t fFirst;
- Int_t fLast;
- Float_t fRate;
- Float_t fKineBias;
- Float_t fBias;
- TString fName;
- public:
- AliGenCocktailEntry()
- {
- fGenerator =0;
- fNGenerated=0;
- fFirst=-1;
- fLast=-1;
- fRate=0;
- fKineBias=1;
- fBias=1;
- fName="unknown";
- }
-
- AliGenCocktailEntry
- (AliGenerator* Generator, TString Name, Float_t RateExp)
- {
- fGenerator=Generator;
- fNGenerated=0;
- fFirst=-1;
- fLast=-1;
- fRate=RateExp;
- fName=Name;
-//
- fKineBias=1;
- fBias=1;
-
- }
- ~AliGenCocktailEntry(){;}
- AliGenerator* Generator() {return fGenerator;}
- void SetGenerator(AliGenerator* generator){fGenerator=generator;}
- void SetFirst(Int_t first){fFirst=first;}
- void SetLast (Int_t last ){fLast =last;}
- Int_t GetFirst(){return fFirst;}
- Int_t GetLast (){return fLast;}
- Float_t Rate(){return fRate;}
- void PrintInfo();
- private:
- ClassDef(AliGenCocktailEntry,1)
-};
+class AliGenCocktailEntry;
class AliGenCocktail : public AliGenerator
{
- protected:
- //
- // Number of generators booked
-
- Int_t fNGenerators;
- //
- // List of Generators
- TList *fEntries;
- // Iterators
- TObjLink *flnk1;
- TObjLink *flnk2;
public:
AliGenCocktail();
+ AliGenCocktail(const AliGenCocktail &cocktail);
+
virtual ~AliGenCocktail();
virtual void Init();
virtual void Generate();
// Iterators
AliGenCocktailEntry* FirstGenerator();
AliGenCocktailEntry* NextGenerator();
- void FirstGeneratorPair(AliGenCocktailEntry*&, AliGenCocktailEntry*&);
- void NextGeneratorPair (AliGenCocktailEntry*&, AliGenCocktailEntry*&);
- ClassDef(AliGenCocktail,1)
+ void FirstGeneratorPair(AliGenCocktailEntry*&e1, AliGenCocktailEntry*&e2);
+ void NextGeneratorPair (AliGenCocktailEntry*&e1, AliGenCocktailEntry*&e2);
+ AliGenCocktail & operator=(const AliGenCocktail & rhs);
+
+ protected:
+ Int_t fNGenerators; // Number of generators booked
+ TList *fEntries; // List of Generators
+ TObjLink *flnk1; // Iterator for first generator
+ TObjLink *flnk2; // Iterator for second generator
//
+ ClassDef(AliGenCocktail,1) // Particle cocktail generator a la SHAKER
};
#endif