C++ TObjArray::ls方法代码示例

int rdMu2histoExample( int nEve=5000 ){

  Int_t nFiles  = 1; 
  char* file="st_physics_12108020_raw_1020001.MuDst.root";
  char* inDir   = "/star/data05/scratch/balewski/mu2011/";
  TString fullName=file;

  gROOT->LoadMacro("$STAR/StRoot/StMuDSTMaker/COMMON/macros/loadSharedLibraries.C");
  loadSharedLibraries();
  cout << " loading done " << endl;
  gSystem->Load("StDbLib");
  gSystem->Load("StDbBroker");
  gSystem->Load("St_db_Maker");
  gSystem->Load("StEEmcUtil");  
  gSystem->Load("StEEmcDbMaker");
  gSystem->Load("StEzExample");

  // create chain    
  chain = new StChain("StChain"); 

  printf("adding muDst from run '%s' ....\n",fullName.Data());

  // Now we add Makers to the chain...   
  muMk = new StMuDstMaker(0,0,inDir,fullName,".MuDst.root",nFiles);
  //switch on only ETOW branch I need
  muMk->SetStatus("*",0);
  muMk->SetStatus("MuEvent",1);
  muMk->SetStatus("EmcTow",1);

  TChain* tree=muMk->chain(); assert(tree); 
  int nEntries=tree->GetEntries();
  printf("total eve in chain =%d\n",nEntries);



  St_db_Maker *dbMk = new St_db_Maker("StarDb", "MySQL:StarDb");
  new StEEmcDbMaker("eemcDb");
  gMessMgr->SwitchOff("D");
  gMessMgr->SwitchOff("I");

  TObjArray  HList;

  myMk3=new StEEtowerExampleMaker("eeExample","MuDst");
  myMk3->Set(&HList);

  chain->ls();
  chain->Init();
  //  return;

  // read one event first to init DB, excluded from timing measurement

  chain->Clear();
  stat = chain->Make();

  int eventCounter=0;
  int stat=0;
  int t1=time(0);
  //---------------------------------------------------
  while ( stat==0 ) {// loop over events
    if(eventCounter>=nEve) break;
    eventCounter++;
    chain->Clear();
    stat = chain->Make();
    if(eventCounter%500==0)
      printf("\n ====================%d  processing  ============\n", eventCounter);
    
  }
  printf("sorting done, nEve=%d of %d\n",nEve, nEntries);
  //  return;
  int t2=time(0);
  if(t2==t1) t2=t1+1;
  float rate=1.*nEve/(t2-t1);
  printf("sorting done %d of   nEve=%d, CPU rate=%.1f Hz\n",eventCounter,nEntries,rate);

   chain->Finish();

   // save output histograms

   HList.ls();
   myMk3->saveHisto("aaa");

}

void KVAvailableRunsFile::ReadFile()
{
   // Read all infos in available runs file and store as KVNameValueList objects in fAvailableRuns.
   // For each run in the file we add a KVNameValueList with the following fields:
   //
   // Name = run number
   // Occurs = number of times run appears in file
   // Filename[0] = name of first file for run
   // Filename[1] =
   //  ...
   // Filename[Occurs-1] = name of last file for run
   // Date[0] = date & time of generation of first file etc.
   // KVVersion[0] = name of KaliVeda version used to generate first file etc. (if known)
   // Username[0] = name of user who generated first file etc. (if known)
   
   //does runlist exist ?
   if (!OpenAvailableRunsFile()) {
      Error("ReadFile", "Cannot open available runs file");
      return;
   }

   if(fAvailableRuns) delete fAvailableRuns;
   fAvailableRuns = new KVHashList;
   fAvailableRuns->SetOwner(kTRUE);
   
   TString fLine;
   Int_t line_number=1;
   fLine.ReadLine(fRunlist);

   KVNumberList duplicate_lines;

   Int_t fRunNumber;

   while (fRunlist.good()) {

      TObjArray *toks = fLine.Tokenize('|');    // split into fields
      
      // number of fields can vary
      // nfields = 2: run number, date
      // nfields = 3: run number, date, filename
      // nfields = 5: run number, date, filename, KaliVeda version, username
      Int_t nfields = toks->GetEntries();
      KVString kvs(((TObjString *) toks->At(0))->GetString());
      fRunNumber = kvs.Atoi();
      if(nfields<2){
            Warning("ReadFile", "Less than 2 fields in entry for run %d (line:%d)???",fRunNumber,line_number);
			toks->ls();
			continue;
		}
      //get date string
      KVString datestring(((TObjString *) toks->At(1))->GetString());
      
      // is run already in list ?
      KVNameValueList* NVL = (KVNameValueList*)fAvailableRuns->FindObject(kvs);
      Int_t Occurs = (NVL ? NVL->GetIntValue("Occurs") : 0);
      if(!NVL) {
         NVL = new KVNameValueList(kvs);
         fAvailableRuns->Add(NVL);
      }
      else
      {
         // check date for run is different to any others
         Bool_t ok = kTRUE;
         for(Int_t ii=0;ii<Occurs;ii++){
            KVString olddate = NVL->GetStringValue(Form("Date[%d]",ii));
            if(olddate==datestring){               
               ok=kFALSE;
               duplicate_lines.Add(line_number);
               break;
            }
         }
         if(!ok){
            delete toks;
             line_number++;
            fLine.ReadLine(fRunlist);
            continue;
         }
      }
      Occurs++;
      NVL->SetValue("Occurs", Occurs);
      
      NVL->SetValue(Form("Date[%d]",Occurs-1), datestring.Data());

      //backwards compatibility
      //an old available_runs file will not have the filename field
      //in this case we assume that the name of the file is given by the
      //dataset's base file name (i.e. with no date/time suffix)
      KVString filename;
      if (nfields > 2) {
         filename = ((TObjString *) toks->At(2))->GetString();
      } else {
         filename = fDataSet->GetBaseFileName(GetDataType(), fRunNumber);
      }
      NVL->SetValue(Form("Filename[%d]",Occurs-1), filename.Data());
      KVString kvversion,username;
      if (nfields > 4) {
         kvversion = ((TObjString *) toks->At(3))->GetString();
         username = ((TObjString *) toks->At(4))->GetString();
         NVL->SetValue(Form("KVVersion[%d]",Occurs-1), kvversion.Data());
         NVL->SetValue(Form("Username[%d]",Occurs-1), username.Data());
//.........这里部分代码省略.........