X-Git-Url: http://git.uio.no/git/?a=blobdiff_plain;f=STEER%2FAliESDInputHandler.cxx;h=d2ab9338d029a98147b563c9dbd71b1575fbf985;hb=dd5ac86bb4a9188a3628c3a4f5b6271240233c8e;hp=1b3459bbdda9aae75b2a3c48882676ad7dafbe0c;hpb=13054f41ea92053a180f339d8f8d9b0f654acefe;p=u%2Fmrichter%2FAliRoot.git

diff --git a/STEER/AliESDInputHandler.cxx b/STEER/AliESDInputHandler.cxx
index 1b3459bbdda..d2ab9338d02 100644
--- a/STEER/AliESDInputHandler.cxx
+++ b/STEER/AliESDInputHandler.cxx
@@ -21,17 +21,39 @@
 //-------------------------------------------------------------------------
 
 #include <TTree.h>
+#include <TChain.h>
+#include <TFile.h>
+#include <TArchiveFile.h>
+#include <TObjArray.h>
+#include <TSystem.h>
+#include <TString.h>
+#include <TObjString.h>
+#include <TProcessID.h>
 
 #include "AliESDInputHandler.h"
 #include "AliESDEvent.h"
 #include "AliESD.h"
+#include "AliRunTag.h"
+#include "AliEventTag.h"
+#include "AliLog.h"
 
 ClassImp(AliESDInputHandler)
 
+static Option_t *gESDDataType = "ESD";
+
 //______________________________________________________________________________
-AliESDInputHandler::AliESDInputHandler():
-    AliInputEventHandler(),
-    fEvent(0)
+AliESDInputHandler::AliESDInputHandler() :
+  AliInputEventHandler(),
+  fEvent(0x0),
+  fAnalysisType(0),
+  fNEvents(0),
+  fHLTEvent(0x0),
+  fHLTTree(0x0),
+  fUseHLT(kFALSE),
+  fUseTags(kFALSE),
+  fChainT(0),
+  fTreeT(0),
+  fRunTag(0)
 {
   // default constructor
 }
@@ -39,32 +61,173 @@ AliESDInputHandler::AliESDInputHandler():
 //______________________________________________________________________________
 AliESDInputHandler::~AliESDInputHandler() 
 {
-// destructor
+  //  destructor
+  //  delete fEvent;
 }
 
 //______________________________________________________________________________
 AliESDInputHandler::AliESDInputHandler(const char* name, const char* title):
-    AliInputEventHandler(name, title)
+    AliInputEventHandler(name, title), fEvent(0x0), fAnalysisType(0),
+     fNEvents(0),  fHLTEvent(0x0), fHLTTree(0x0), fUseHLT(kFALSE), fUseTags(kFALSE), fChainT(0), fTreeT(0), fRunTag(0)
 {
+    // Constructor
 }
 
-Bool_t AliESDInputHandler::InitIO(Option_t* /*opt*/)
+Bool_t AliESDInputHandler::Init(TTree* tree,  Option_t* opt)
 {
+    // Initialisation necessary for each new tree 
+    fAnalysisType = opt;
+    fTree         = tree;
+    
     if (!fTree) return kFALSE;
+    fTree->GetEntry(0);
+    
     // Get pointer to ESD event
-    fEvent = new AliESDEvent();
+    SwitchOffBranches();
+    SwitchOnBranches();
+    
+    if (!fEvent) fEvent = new AliESDEvent();
     fEvent->ReadFromTree(fTree);
+    fNEvents = fTree->GetEntries();
+
+
     return kTRUE;
 }
 
-Bool_t AliESDInputHandler::BeginEvent(Long64_t /*entry*/)
+Bool_t AliESDInputHandler::BeginEvent(Long64_t entry)
 {
     // Copy from old to new format if necessary
-    AliESD* old = ((AliESDEvent*) fEvent)->GetAliESDOld();
-    if (old) {
+  AliESD* old = ((AliESDEvent*) fEvent)->GetAliESDOld();
+  if (old) {
 	((AliESDEvent*)fEvent)->CopyFromOldESD();
 	old->Reset();
+  }
+
+  if (fHLTTree) {
+      fHLTTree->GetEntry(entry);
+  }
+  
+  return kTRUE;
+}
+
+Bool_t  AliESDInputHandler::FinishEvent()
+{
+    // Finish the event 
+    if(fEvent)fEvent->Reset();
+    return kTRUE;
+} 
+
+Bool_t AliESDInputHandler::Notify(const char* path)
+{
+    // Notify a directory change
+    AliInfo(Form("Directory change %s \n", path));
+    //
+    if (fUseHLT) {
+	// Get HLTesdTree from current file
+	TTree* cTree = fTree;
+	if (fTree->GetTree()) cTree = fTree->GetTree();
+	TFile* cFile = cTree->GetCurrentFile();
+	cFile->GetObject("HLTesdTree", fHLTTree);
+	
+	if (fHLTTree) {
+	  if (!fHLTEvent) fHLTEvent = new AliESDEvent();
+	  fHLTEvent->ReadFromTree(fHLTTree);
+	}
+    }
+
+    if (!fUseTags) return (kTRUE);
+    
+    Bool_t zip = kFALSE;
+    
+    TString fileName(path);
+    if(fileName.Contains("#AliESDs.root")){
+	zip = kTRUE;
+    } 
+    else if (fileName.Contains("AliESDs.root")){
+	fileName.ReplaceAll("AliESDs.root", "");
+    }
+    else if(fileName.Contains("#AliAOD.root")){
+	zip = kTRUE;
+    }
+    else if(fileName.Contains("AliAOD.root")){
+	fileName.ReplaceAll("AliAOD.root", "");
+    }
+    else if(fileName.Contains("#galice.root")){
+	// For running with galice and kinematics alone...
+	zip = kTRUE;
     }
+    else if(fileName.Contains("galice.root")){
+	// For running with galice and kinematics alone...
+	fileName.ReplaceAll("galice.root", "");
+    }
+
+    
+    TString pathName("./");
+    if (fileName.Length() != 0) {
+	pathName = fileName;
+    }
+    
+    printf("AliESDInputHandler::Notify() Path: %s\n", pathName.Data());
+
+    if (fRunTag) {
+	fRunTag->Clear();
+    } else {
+	fRunTag = new AliRunTag();
+    }
+    
+    delete fTreeT; fTreeT = 0;
+    
+    if (fChainT) {
+	delete fChainT;
+	fChainT = 0;
+    }
+    
+    if (!fChainT) {
+	fChainT = new TChain("T");
+    }
+    
+
+
+    const char* tagPattern = "ESD.tag.root";
+    const char* name = 0x0;
+    TString tagFilename;
+    if (zip) {
+	TFile* file = fTree->GetCurrentFile();
+	TArchiveFile* arch = file->GetArchive();
+	TObjArray* arr = arch->GetMembers();
+	TIter next(arr);
+	
+	while ((file = (TFile*) next())) {
+	    name = file->GetName();
+	    if (strstr(name,tagPattern)) { 
+		tagFilename = pathName.Data();
+		tagFilename += "#";
+		tagFilename += name;
+		fChainT->Add(tagFilename);  
+		AliInfo(Form("Adding %s to tag chain \n", tagFilename.Data()));
+	    }//pattern check
+	} // archive file loop
+    } else {
+	void * dirp = gSystem->OpenDirectory(pathName.Data());
+	while((name = gSystem->GetDirEntry(dirp))) {
+	    if (strstr(name,tagPattern)) { 
+		tagFilename = pathName.Data();
+		tagFilename += "/";
+		tagFilename += name;
+		fChainT->Add(tagFilename);  
+		AliInfo(Form("Adding %s to tag chain \n", tagFilename.Data()));
+	    }//pattern check
+	}//directory loop
+    }
+    fChainT->SetBranchAddress("AliTAG",&fRunTag);
+    fChainT->GetEntry(0);
     return kTRUE;
 }
 
+
+
+Option_t *AliESDInputHandler::GetDataType() const
+{
+// Returns handled data type.
+   return gESDDataType;
+}