Line data    Source code

       1             : /**************************************************************************
       2             :  * Copyright(c) 1998-2007, ALICE Experiment at CERN, All rights reserved. *
       3             :  *                                                                        *
       4             :  * Author: The ALICE Off-line Project.                                    *
       5             :  * Contributors are mentioned in the code where appropriate.              *
       6             :  *                                                                        *
       7             :  * Permission to use, copy, modify and distribute this software and its   *
       8             :  * documentation strictly for non-commercial purposes is hereby granted   *
       9             :  * without fee, provided that the above copyright notice appears in all   *
      10             :  * copies and that both the copyright notice and this permission notice   *
      11             :  * appear in the supporting documentation. The authors make no claims     *
      12             :  * about the suitability of this software for any purpose. It is          *
      13             :  * provided "as is" without express or implied warranty.                  *
      14             :  **************************************************************************/
      15             : 
      16             : /* $Id$ */
      17             : 
      18             : //-------------------------------------------------------------------------
      19             : //     Event handler for event input 
      20             : //     Author: Andreas Morsch, CERN
      21             : //-------------------------------------------------------------------------
      22             : 
      23             : 
      24             : #include "AliInputEventHandler.h"
      25             : #include "AliVEvent.h"
      26             : #include "AliVCuts.h"
      27             : #include "AliLog.h"
      28             : 
      29             : 
      30         176 : ClassImp(AliInputEventHandler)
      31             : 
      32             : //______________________________________________________________________________
      33             : AliInputEventHandler::AliInputEventHandler() :
      34           3 :     AliVEventHandler(),
      35           3 :     fTree(0),
      36           3 :     fBranches(),
      37           3 :     fBranchesOn(),
      38           3 :     fInputFileName(),
      39           3 :     fNewEvent(kTRUE),
      40           3 :     fEventCuts(0),
      41           3 :     fIsSelectedResult(0),
      42           3 :     fMixingHandler(0),
      43           3 :     fParentHandler(0),
      44           3 :     fUserInfo(0)
      45           9 : {
      46             :   // default constructor
      47           3 : }
      48             : 
      49             : //______________________________________________________________________________
      50             : AliInputEventHandler::~AliInputEventHandler() 
      51           0 : {
      52             : // destructor
      53           0 : }
      54             : 
      55             : //______________________________________________________________________________
      56             : AliInputEventHandler::AliInputEventHandler(const char* name, const char* title):
      57           0 :     AliVEventHandler(name, title),
      58           0 :     fTree(0),
      59           0 :     fBranches(),
      60           0 :     fBranchesOn(),
      61           0 :     fInputFileName(),
      62           0 :     fNewEvent(kTRUE),
      63           0 :     fEventCuts(0),
      64           0 :     fIsSelectedResult(0),
      65           0 :     fMixingHandler(0),
      66           0 :     fParentHandler(0),
      67           0 :     fUserInfo(0)
      68           0 : {
      69             : // Named constructor.
      70           0 : }
      71             : 
      72             : //______________________________________________________________________________
      73             : void AliInputEventHandler::SwitchOffBranches() const {
      74             :   //
      75             :   // Switch of branches on user request
      76           6 :     TObjArray * tokens = fBranches.Tokenize(" ");
      77           2 :     Int_t ntok = tokens->GetEntries();
      78           4 :     for (Int_t i = 0; i < ntok; i++)  {
      79           0 :         TString str = ((TObjString*) tokens->At(i))->GetString();
      80           0 :         if (str.Length() == 0)
      81           0 :             continue;
      82           0 :         fTree->SetBranchStatus(Form("%s%s%s","*", str.Data(), "*"), 0);
      83           0 :         AliDebug(1,Form("Branch %s switched off", str.Data()));
      84           0 :     }
      85           4 :   delete tokens;
      86           2 : }
      87             : 
      88             : //______________________________________________________________________________
      89             : void AliInputEventHandler::SwitchOnBranches() const {
      90             :   //
      91             :   // Switch of branches on user request
      92           6 :   TObjArray * tokens = fBranchesOn.Tokenize(" ");
      93           2 :   Int_t ntok = tokens->GetEntries();
      94             : 
      95           4 :   for (Int_t i = 0; i < ntok; i++)  {
      96           0 :       TString str = ((TObjString*) tokens->At(i))->GetString();
      97           0 :       if (str.Length() == 0)
      98           0 :           continue;
      99           0 :       fTree->SetBranchStatus(Form("%s%s%s","*", str.Data(), "*"), 1);
     100           0 :       AliDebug(1,Form("Branch %s switched on", str.Data()));
     101           0 :   }
     102           4 :   delete tokens;
     103           2 : }
     104             : 
     105             : //______________________________________________________________________________
     106             : TObject *AliInputEventHandler::GetStatistics(Option_t *) const
     107             : {
     108             : // Returns the statistics object(s) (TH2F histogram) produced by the physics
     109             : // selection. Implementations both for ESD and AOD input handlers.
     110           0 :   return NULL;
     111             : }
     112             :    
     113             : Long64_t AliInputEventHandler::GetReadEntry() const 
     114             : {
     115             :   // Get the current entry.
     116          56 :   return fTree->GetReadEntry();
     117             : }
     118             : 
     119             : //______________________________________________________________________________
     120             : void AliInputEventHandler::SetInputFileName(const char* fname)
     121             : {
     122             : // Set the input file name to be analyzed. Done automatically by the manager, but
     123             : // in case this needs to be done at an earlier stage has to be done manually.
     124           4 :    if (!strlen(fname)) return;
     125           2 :    if (fInputFileName.Length()) {
     126           0 :       Error("SetInputFileName", "Input file name already set to: %s\n", fInputFileName.Data());
     127           0 :       return;
     128             :    }
     129           2 :    fInputFileName  = fname;
     130           4 : }