This commit was generated by cvs2svn to compensate for changes in r1018,

[u/mrichter/AliRoot.git] / ALIFAST / AliFMaker.cxx

diff --git a/ALIFAST/AliFMaker.cxx b/ALIFAST/AliFMaker.cxx
new file mode 100644 (file)
index 0000000..cc711f0
--- /dev/null
+++ b/ALIFAST/AliFMaker.cxx
@@ -0,0 +1,216 @@
+
+//////////////////////////////////////////////////////////////////////////
+//                                                                      //
+// AliFast virtual base class for Makers                                //
+//                                                                      //
+//////////////////////////////////////////////////////////////////////////
+
+#include <TChain.h>
+#include <TTree.h>
+#include <TList.h>
+#include <TClonesArray.h>
+#include <TBrowser.h>
+
+#include "AliFMaker.h"
+#include "AliFast.h"
+
+ClassImp(AliFMaker)
+
+//_____________________________________________________________________________
+AliFMaker::AliFMaker()
+{
+   fBranchName = "";
+   fSave       = 0;
+   fHistograms = 0;
+   fFruits     = 0;
+   fClones     = 0;
+   fIsClonable = kTRUE;
+}
+
+//_____________________________________________________________________________
+AliFMaker::AliFMaker(const char *name, const char *title)
+       :TNamed(name,title)
+{
+   fBranchName = "";
+   fSave       = 0;
+   fHistograms = new TList();
+   fClones     = 0;
+   fIsClonable = kTRUE;
+   
+   gAliFast->Makers()->Add(this);
+}
+
+//_____________________________________________________________________________
+AliFMaker::~AliFMaker()
+{
+  delete fFruits;
+  delete fClones;
+}
+
+//______________________________________________________________________________
+void AliFMaker::Browse(TBrowser *b)
+{
+//  Insert Maker objects in the list of objects to browsed.
+
+  char name[64];
+  if( b == 0  || fFruits == 0) return;
+  TObject *obj;
+
+// If fFruits is a ClonesArray, insert all the objects in the list
+// of browsable objects
+  if (fFruits->InheritsFrom("TClonesArray")) {
+     TClonesArray *clones = (TClonesArray*)fFruits;
+     Int_t nobjects = clones->GetEntries();
+     for (Int_t i=0;i<nobjects;i++) {
+        obj = clones->At(i);
+        sprintf(name,"%s_%d",obj->GetName(),i);
+        if (strstr(name,"AliF")) b->Add(obj, &name[4]);
+        else                     b->Add(obj, &name[0]);
+     }
+// fFruits points to an object in general. Insert this object in the browser
+  } else {
+      b->Add( fFruits, fFruits->GetName());
+  }
+}
+
+//_____________________________________________________________________________
+void AliFMaker::Clear(Option_t *option)
+{
+  if (fFruits) fFruits->Clear(option);
+  delete fClones;
+  fClones = 0;
+}
+
+//_____________________________________________________________________________
+void AliFMaker::Draw(Option_t *)
+{
+//    Insert products of this maker in graphics pad list
+
+  TObject *obj;
+
+// If fFruits is a ClonesArray, insert all the objects in the list
+// of objects to be painted
+  if (fFruits->InheritsFrom("TClonesArray")) {
+     TClonesArray *clones = (TClonesArray*)fFruits;
+     Int_t nobjects = clones->GetEntries();
+     for (Int_t i=0;i<nobjects;i++) {
+        obj = clones->At(i);
+        if (obj) obj->AppendPad();
+     }
+// fFruits points to an object in general. Insert this object in the pad
+  } else {
+     fFruits->AppendPad();
+  }
+}
+
+//_____________________________________________________________________________
+void AliFMaker::FillClone()
+{
+//   Copy original fruits in a separate list (clones)
+
+   if (!fIsClonable || fFruits == 0) return;
+   fClones = fFruits->Clone();
+}
+
+//_____________________________________________________________________________
+void AliFMaker::Init()
+{
+   //dummy
+}
+
+//_____________________________________________________________________________
+void AliFMaker::Finish()
+{
+
+   //dummy
+}
+
+//_____________________________________________________________________________
+void AliFMaker::Make()
+{
+
+   Warning("Make","Dummy function called");
+}
+
+//_____________________________________________________________________________
+void AliFMaker::PrintInfo()
+{
+   printf("*************************************************************\n");
+   printf("*                                                           *\n");
+   printf("*            %25s                      *\n",GetName());
+   printf("*                                                           *\n");
+   printf("*************************************************************\n");
+
+   Dump();
+}
+
+//_____________________________________________________________________________
+void AliFMaker::MakeBranch()
+{
+//   Adds the list of physics objects to the AliFast tree as a new branch
+
+   if (fSave == 0) return;
+
+   TTree *tree = gAliFast->Tree();
+   if (tree == 0  || fFruits == 0  || fBranchName.Length() == 0) return;
+
+//  Make a branch tree if a branch name has been set
+   Int_t buffersize = 4000;
+   if (fFruits->InheritsFrom("TClonesArray")) {
+      tree->Branch(fBranchName.Data(), &fFruits, buffersize);
+   } else {
+      tree->Branch(fBranchName.Data(),fFruits->ClassName(), &fFruits, buffersize);
+   }
+}
+
+//_____________________________________________________________________________
+void AliFMaker::SetChainAddress(TChain *chain)
+{
+//   Set branch address in a chain of files
+
+   if (chain == 0) return;
+
+   chain->SetBranchAddress(fBranchName.Data(), &fFruits);
+}
+
+//______________________________________________________________________________
+void AliFMaker::Streamer(TBuffer &R__b)
+{
+   // Stream an object of class AliFMaker.
+
+   if (R__b.IsReading()) {
+      R__b.ReadVersion(); // Version_t R__v = R__b.ReadVersion();
+      TNamed::Streamer(R__b);
+      R__b >> fSave;
+      R__b >> fFruits;
+      fBranchName.Streamer(R__b);
+      R__b >> fHistograms;
+          //this is an addition to the standard rootcint version of Streamer
+          //branch address for this maker is set automatically
+      TTree *tree = gAliFast->Tree();
+      if (tree == 0  || fFruits == 0  || fBranchName.Length() == 0) return;
+      TBranch *branch = tree->GetBranch(fBranchName.Data());
+      if (branch)  branch->SetAddress(&fFruits);
+   } else {
+      R__b.WriteVersion(AliFMaker::IsA());
+      TNamed::Streamer(R__b);
+      R__b << fSave;
+      R__b << fFruits;
+      fBranchName.Streamer(R__b);
+      R__b << fHistograms;
+   }
+}
+
+
+
+
+
+
+
+
+
+
+
+
+
+