// creating only one AliTrack instance in the main programme and using the
// AliTrack::Reset() and AliTrack parameter setting memberfunctions.
//
+// See also the documentation provided for the memberfunction SetOwner().
+//
// Coding example to make 2 jets j1 and j2.
// ----------------------------------------
// j1 contains the AliTracks t1 and t2
// tx->Reset();
// }
//
-// j1.Info();
-// j2.Info("sph");
+// j1.Data();
+// j2.Data("sph");
//
// Float_t e1=j1.GetEnergy();
// Float_t pnorm=j1->GetMomentum();
///////////////////////////////////////////////////////////////////////////
#include "AliJet.h"
+#include "Riostream.h"
ClassImp(AliJet) // Class implementation to enable ROOT I/O
-AliJet::AliJet()
+AliJet::AliJet() : TObject(),Ali4Vector()
{
// Default constructor
// All variables initialised to 0
// Initial maximum number of tracks is set to the default value
- fTracks=0;
- fNtinit=0;
- fTrackCopy=0;
+ Init();
Reset();
SetNtinit();
}
///////////////////////////////////////////////////////////////////////////
-AliJet::AliJet(Int_t n)
+void AliJet::Init()
{
-// Create a jet to hold initially a maximum of n tracks
-// All variables initialised to 0
+// Initialisation of pointers etc...
fTracks=0;
fNtinit=0;
fTrackCopy=0;
+}
+///////////////////////////////////////////////////////////////////////////
+AliJet::AliJet(Int_t n) : TObject(),Ali4Vector()
+{
+// Create a jet to hold initially a maximum of n tracks
+// All variables initialised to 0
+ Init();
Reset();
if (n > 0)
{
// Default destructor
if (fTracks)
{
- if (fTrackCopy) fTracks->Delete();
delete fTracks;
fTracks=0;
}
}
///////////////////////////////////////////////////////////////////////////
+void AliJet::SetOwner(Bool_t own)
+{
+// Set ownership of all added objects.
+// The default parameter is own=kTRUE.
+//
+// Invokation of this memberfunction also sets all the copy modes
+// (e.g. TrackCopy & co.) according to the value of own.
+//
+// This function (with own=kTRUE) is particularly useful when reading data
+// from a tree/file, since Reset() will then actually remove all the
+// added objects from memory irrespective of the copy mode settings
+// during the tree/file creation process. In this way it provides a nice way
+// of preventing possible memory leaks in the reading/analysis process.
+//
+// In addition this memberfunction can also be used as a shortcut to set all
+// copy modes in one go during a tree/file creation process.
+// However, in this case the user has to take care to only set/change the
+// ownership (and copy mode) for empty objects (e.g. newly created objects
+// or after invokation of the Reset() memberfunction) otherwise it will
+// very likely result in inconsistent destructor behaviour.
+
+ Int_t mode=1;
+ if (!own) mode=0;
+ if (fTracks) fTracks->SetOwner(own);
+ fTrackCopy=mode;
+}
+///////////////////////////////////////////////////////////////////////////
+AliJet::AliJet(AliJet& j) : TObject(j),Ali4Vector(j)
+{
+// Copy constructor
+ fNtinit=j.fNtinit;
+ fNtmax=j.fNtmax;
+ fQ=j.fQ;
+ fNtrk=j.fNtrk;
+ fTrackCopy=j.fTrackCopy;
+ fUserId=j.fUserId;
+
+ fTracks=0;
+ if (fNtrk)
+ {
+ fTracks=new TObjArray(fNtmax);
+ if (fTrackCopy) fTracks->SetOwner();
+ }
+
+ for (Int_t i=1; i<=fNtrk; i++)
+ {
+ AliTrack* tx=j.GetTrack(i);
+ if (fTrackCopy)
+ {
+ fTracks->Add(new AliTrack(*tx));
+ }
+ else
+ {
+ fTracks->Add(tx);
+ }
+ }
+}
+///////////////////////////////////////////////////////////////////////////
void AliJet::SetNtinit(Int_t n)
{
// Set the initial maximum number of tracks for this jet
fNtmax=n;
if (fTracks)
{
- if (fTrackCopy) fTracks->Delete();
delete fTracks;
fTracks=0;
}
void AliJet::AddTrack(AliTrack& t)
{
// Add a track to the jet.
-// Note : In case TrackCopy is set, the originally entered track
-// will be automatically reset.
// In case the maximum number of tracks has been reached
// space will be extended to hold an additional amount of tracks as
// was initially reserved.
- if (!fTracks) fTracks=new TObjArray(fNtmax);
+// See SetTrackCopy() to tailor the functionality of the stored structures.
+ AddTrack(t,1);
+}
+///////////////////////////////////////////////////////////////////////////
+void AliJet::AddTrack(AliTrack& t,Int_t copy)
+{
+// Internal memberfunction to actually add a track to the jet.
+// In case the maximum number of tracks has been reached
+// space will be extended to hold an additional amount of tracks as
+// was initially reserved.
+//
+// If copy=0 NO copy of the track will be made, irrespective of the setting
+// of the TrackCopy flag.
+// This allows a proper treatment of automatically generated connecting
+// tracks between vertices.
+ if (!fTracks)
+ {
+ fTracks=new TObjArray(fNtmax);
+ if (fTrackCopy) fTracks->SetOwner();
+ }
if (fNtrk == fNtmax) // Check if maximum track number is reached
{
fNtmax+=fNtinit;
// Add the track to this jet
fNtrk++;
- if (fTrackCopy)
+ if (fTrackCopy && copy)
{
- fTracks->Add(t.Clone());
+ fTracks->Add(new AliTrack(t));
}
else
{
}
///////////////////////////////////////////////////////////////////////////
-void AliJet::Info(TString f)
+void AliJet::Data(TString f)
{
// Provide jet information within the coordinate frame f
- cout << " *AliJet::Info* Id : " << fUserId << " Invmass : " << GetInvmass() << " Charge : " << fQ
+ cout << " *AliJet::Data* Id : " << fUserId << " Invmass : " << GetInvmass() << " Charge : " << fQ
<< " Momentum : " << GetMomentum() << " Ntracks : " << fNtrk << endl;
- cout << " ";
- Ali4Vector::Info(f);
+
+ Ali4Vector::Data(f);
}
///////////////////////////////////////////////////////////////////////////
void AliJet::List(TString f)
{
// Provide jet and primary track information within the coordinate frame f
- Info(f); // Information of the current jet
+ Data(f); // Information of the current jet
// The tracks of this jet
AliTrack* t;
{
cout << " ---Track no. " << it << endl;
cout << " ";
- t->Info(f);
+ t->Data(f);
}
else
{
{
// Provide jet and prim.+sec. track information within the coordinate frame f
- Info(f); // Information of the current jet
+ Data(f); // Information of the current jet
// The tracks of this jet
AliTrack* t;
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff