Moving the AliStrLine and AliTracker classes from libESD.so back to libSTEER.so....
[u/mrichter/AliRoot.git] / PWG0 / CreateESDChain.C
CommitLineData
49dc84d9 1TChain* CreateESDChain(const char* aDataDir, Int_t aRuns = 20, Bool_t aAddHeader = kTRUE)
539b6cb4 2{
3 if (!aDataDir)
4 return 0;
5
6 TChain* chain = new TChain("esdTree");
7 TChain* chaingAlice = 0;
8
9 if (aAddHeader != kFALSE)
10 chaingAlice = new TChain("TE");
11
12 TString execDir(gSystem->pwd());
13 TSystemDirectory* baseDir = new TSystemDirectory(".", aDataDir);
14 TList* dirList = baseDir->GetListOfFiles();
15 Int_t nDirs = dirList->GetEntries();
16 gSystem->cd(execDir);
17
49dc84d9 18 Int_t count = 0;
19
539b6cb4 20 for (Int_t iDir=0; iDir<nDirs; ++iDir)
21 {
22 TSystemFile* presentDir = (TSystemFile*) dirList->At(iDir);
23 if (!presentDir || !presentDir->IsDirectory() || strcmp(presentDir->GetName(), ".") == 0 || strcmp(presentDir->GetName(), "..") == 0)
24 continue;
25
49dc84d9 26 if (count++ == aRuns)
27 break;
28
539b6cb4 29 TString presentDirName(aDataDir);
30 presentDirName += "/";
31 presentDirName += presentDir->GetName();
32
33 chain->Add(presentDirName + "/AliESDs.root/esdTree");
34
35 if (aAddHeader != kFALSE)
36 chaingAlice->Add(presentDirName + "/galice.root/TE");
37 }
38
39 if (aAddHeader != kFALSE)
40 chain->AddFriend(chaingAlice);
41
42 return chain;
43}