C++ TMap::GetValue方法代码示例

//___________________________________________________________________
void MakeFileList(const char *searchdir, const char *pattern, const char* outputFileName="calib.list", Int_t timeOut=10)
{
  gSystem->Setenv("XRDCLIENTMAXWAIT",Form("%d",timeOut));
  gEnv->SetValue("XNet.RequestTimeout", timeOut);
  gEnv->SetValue("XNet.ConnectTimeout", timeOut);
  gEnv->SetValue("XNet.TransactionTimeout", timeOut);
  TFile::SetOpenTimeout(timeOut);

  TGrid::Connect("alien");

  TString command;
  command = Form("find %s %s", searchdir, pattern);
  cerr<<"command: "<<command<<endl;
  TGridResult *res = gGrid->Command(command);
  if (!res) return;
  TIter nextmap(res);
  TMap *map = 0;

  ofstream outputFile;
  outputFile.open(Form(outputFileName));

  //first identify the largest file and put it at the beginning
  Int_t largestFileSize=0;
  TString largestFile;
  TObject* largestObject;
  while((map=(TMap*)nextmap()))
  {
    TObjString *objs = dynamic_cast<TObjString*>(map->GetValue("turl"));
    TObjString *objsSize = dynamic_cast<TObjString*>(map->GetValue("size"));
    if (!objs || !objs->GetString().Length()) continue;
    if (!objsSize || !objsSize->GetString().Length()) continue;

    Int_t currentFileSize=objsSize->GetString().Atoi();
    if (currentFileSize>largestFileSize) 
    {
      largestFileSize=currentFileSize;
      largestFile=objs->GetString();
      largestObject=map;
    }
  }
  outputFile << largestFile.Data()<< endl;
  res->Remove(largestObject);
  
  //then write the rest of the entries to the file
  nextmap.Reset();
  while((map=(TMap*)nextmap()))
  {
    TObjString *objs = dynamic_cast<TObjString*>(map->GetValue("turl"));
    if (!objs || !objs->GetString().Length())
    {
      delete res;
      break;
    }

    TString src=Form("%s",objs->GetString().Data());
    outputFile << src.Data()<< endl;
  }
  outputFile.close();
  return;
}

void WriteMergeObjects( TFile *target ) {
  cout << "Writing the merged data." << endl;

  TIterator *nextobj = MergeObjects.MakeIterator();
  TObjString *pathname_obj;
  while( (pathname_obj = (TObjString *)nextobj->Next()) ) {
    TString path,name;
    SplitPathName(pathname_obj->String(),&path,&name);

    TObject *obj = MergeObjects.GetValue(pathname_obj);
    target->cd(path);

    obj->Write( name );

    delete obj;
  }
  MergeObjects.Clear();

  target->Write();

  // Temporarily let multiple root files remain if > 2GB
  // Prevent Target_1.root Target_2.root, ... from happening.
  //  long long max_tree_size = 200000000000LL; // 200 GB
  //  if(TTree::GetMaxTreeSize() < max_tree_size ) {
  //    TTree::SetMaxTreeSize(max_tree_size);
  //  }

  nextobj = MergeChains.MakeIterator();
  TObjString *pathname_obj;
  while( (pathname_obj = (TObjString *)nextobj->Next()) ) {
    TString path,name;
    SplitPathName(pathname_obj->String(),&path,&name);

    TChain *ch = (TChain *)MergeChains.GetValue(pathname_obj);
    target->cd(path);
    ch->Merge(target,0,"KEEP");

    delete ch;

	// in case of multiple objects with same pathname, must remove
	// this one from the list so we don't get the same (deleted)
	// one next time we look up the same name
	MergeChains.Remove(pathname_obj);
  }
  MergeChains.Clear();

  InitializedMergeObjects = false;
}

void MergeFlowd() 
{
	TGrid *alien = TGrid::Connect("alien");
	if (alien->IsZombie())
	{
		delete alien;
		cout << "Fatal: Alien is a zombie!" << endl;
		return;
	}

  Int_t runlist[] = {                                                               // Counter
    /*170309, 170308, 170306, 170270, 170269, 170268, 170230, 170228,*/ 170204, 170203, // 10
    170193, 170163, 170159, 170155, 170081, 170027, 169859, 169858, 169855, 169846, // 20
    169838, 169837, 169835, 169417, 169415, 169411, 169238, 169167, 169160, 169156, // 30
    169148, 169145, 169144, 169138, 169094, 169091, 169035, 168992, 168988, 168826, // 40
    168777, 168514, 168512, 168511, 168467, 168464, 168460, 168458, 168362, 168361, // 50
    168342, 168341, 168325, 168322, 168311, 168310, 167988, 167987                  // 58
  };	

  TFileMerger merger;
  TString dataBaseDir = "/alice/cern.ch/user/m/mpuccio/Flowd_PbPb2011/output/000";
  merger.OutputFile("FileMerger.root");
  for (int iRun = 0; iRun < 1; ++iRun)
  {
  	TString runDir = Form("%s%i",dataBaseDir.Data(),runlist[iRun]);
  	TGridResult *res = alien->Command(Form("find %s */mpuccio_Flowd.root",runDir.Data()));
  	TIter iter(res);
  	TMap *map;
  	while ((map = (TMap*)iter())) 
  	{
  		TObjString *obj = dynamic_cast<TObjString*>(map->GetValue("turl"));
  		if (!obj || !obj->String().Length())
  		{
  			delete res;
  			break;
  		}

  		TFile *f = TFile::Open(obj->String().Data());
  		if (!f->IsOpen())
  		{
  			cout << "File " << obj->String().Data() << " has some problems..." << endl;
  			continue;
  		}
  		merger.AddFile(f);
  		merger.PartialMerge();
  		f->Close();
  	}
  }
  merger.Merge();
  merger.Write();
}

bool FindDataSample(const TMap &lookup, TObjArray &sampleinfis){
        //
        // Find Data sample in the list of samples
        //
        TObjArray *entry = dynamic_cast<TObjArray *>(lookup.GetValue(g_sample.Data()));
        if(!entry){
                printf("Sample %s not found in the list of samples", g_sample.Data());
                return false;
        }
        // Copy to output container
        sampleinfis.SetOwner(kFALSE);
        for(int ival = 0; ival < 4; ival++) sampleinfis.AddAt(entry->At(ival), ival);
        return true;
}

void MergeRootfile( TDirectory *target, TString source_name ) {

  TFile *source = NULL;
  if( !InitializedMergeObjects ) {
    InitializedMergeObjects = true;
    source = TFile::Open(source_name);
    cout << "Initializing merge objects from " << source_name << endl;
    InitMergeObjects( target, source );
    delete source;
    return;
  }

  // loop over all objects to be merged
  TIterator *nextobj = MergeObjects.MakeIterator();
  TObjString *pathname_obj;
  while( (pathname_obj = (TObjString *)nextobj->Next()) ) {
    TString path,name;
    SplitPathName(pathname_obj->String(),&path,&name);

    TObject *obj = MergeObjects.GetValue(pathname_obj);

    if ( obj->IsA()->InheritsFrom( "TH1" ) ) {
      // descendant of TH1 -> merge it

      TH1 *h1 = (TH1*)obj;

      if( !source ) {
        source = TFile::Open(source_name);
      }
      // make sure we are at the correct directory level by cd'ing to path
      source->cd( path );
      TH1 *h2 = (TH1*)gDirectory->Get( h1->GetName() );
      if ( h2 ) {
        h1->Add( h2 );
        delete h2;
      }
    }
  }

  delete nextobj;
  nextobj = NULL;

  // loop over all chains to be merged
  nextobj = MergeChains.MakeIterator();
  TObjString *pathname_obj;
  while( (pathname_obj = (TObjString *)nextobj->Next()) ) {
    TString path,name;
    SplitPathName(pathname_obj->String(),&path,&name);

    TChain *ch = (TChain *)MergeChains.GetValue(pathname_obj);

    ch->Add(source_name);
  }

  delete nextobj;
  nextobj = NULL;

  if( source ) {
    delete source;
  }
}

void r3ball(Int_t nEvents = 1,
	    TMap& fDetList,
            TString Target = "LeadTarget",
            Bool_t fVis = kFALSE,
            TString fMC = "TGeant3",
            TString fGenerator = "box",
            Bool_t fUserPList = kFALSE,
            Bool_t fR3BMagnet = kTRUE,
            Bool_t fCalifaHitFinder = kFALSE,
            Bool_t fStarTrackHitFinder = kFALSE,
            Double_t fMeasCurrent = 2000.,
            TString OutFile = "r3bsim.root",
            TString ParFile = "r3bpar.root",
            TString InFile = "evt_gen.dat",
            double energy1, double energy2)
{


  TString dir = getenv("VMCWORKDIR");
  TString r3bdir = dir + "/macros";
  
  TString r3b_geomdir = dir + "/geometry";
  gSystem->Setenv("GEOMPATH",r3b_geomdir.Data());
  
  TString r3b_confdir = dir + "gconfig";
  gSystem->Setenv("CONFIG_DIR",r3b_confdir.Data());
  
  // In general, the following parts need not be touched
  // ========================================================================
  
  // ----    Debug option   -------------------------------------------------
  gDebug = 0;
  // ------------------------------------------------------------------------
  
  // -----   Timer   --------------------------------------------------------
  TStopwatch timer;
  timer.Start();
  // ------------------------------------------------------------------------
  
  
  // -----   Create simulation run   ----------------------------------------
  FairRunSim* run = new FairRunSim();
  run->SetName(fMC.Data());              // Transport engine
  run->SetOutputFile(OutFile.Data());          // Output file
  FairRuntimeDb* rtdb = run->GetRuntimeDb();
  
  FairLogger::GetLogger()->SetLogScreenLevel("DEBUG");
  
  //  R3B Special Physics List in G4 case
  if ( (fUserPList  == kTRUE ) &&
       (fMC.CompareTo("TGeant4")   == 0)
      ){
    run->SetUserConfig("g4R3bConfig.C");
    run->SetUserCuts("SetCuts.C");
  }
  
  
  // -----   Create media   -------------------------------------------------
  run->SetMaterials("media_r3b.geo");       // Materials
  
  
  // Magnetic field map type
  Int_t fFieldMap = 0;
  
  
  // Global Transformations
  //- Two ways for a Volume Rotation are supported
  //-- 1) Global Rotation (Euler Angles definition)
  //-- This represent the composition of : first a rotation about Z axis with
  //-- angle phi, then a rotation with theta about the rotated X axis, and
  //-- finally a rotation with psi about the new Z axis.
  Double_t phi,theta,psi;
  
  //-- 2) Rotation in Ref. Frame of the Volume
  //-- Rotation is Using Local Ref. Frame axis angles
  Double_t thetaX,thetaY,thetaZ;
  

  //- Global Translation  Lab. frame.
  Double_t tx,ty,tz;
  
  
  // -----   Create R3B geometry --------------------------------------------
  //R3B Cave definition
  FairModule* cave= new R3BCave("CAVE");
  cave->SetGeometryFileName("r3b_cave.geo");
  run->AddModule(cave);
  

  //R3B Target definition
  if (fDetList.FindObject("TARGET") ) {
    R3BModule* target= new R3BTarget(Target.Data());
    target->SetGeometryFileName(((TObjString*)fDetList.GetValue("TARGET"))->GetString().Data());
    run->AddModule(target);
  }
  
  //R3B SiTracker Cooling definition
  if (fDetList.FindObject("VACVESSELCOOL") ) {
    R3BModule* vesselcool= new R3BVacVesselCool(Target.Data());
    vesselcool->SetGeometryFileName(((TObjString*)fDetList.GetValue("VACVESSELCOOL"))->GetString().Data());
//.........这里部分代码省略.........

void raw2treeGrid_collection()
{

  // reading RAW data from test LCS
  // filling histograms
  // fillinf tree
  //  gROOT->LoadMacro("loadlibs.C");
  //  loadlibs();
  Int_t allData[220][5];
  TGrid::Connect("alien://");
  TTree *fT0OutTree=new TTree("t0tree","None here");
 TAlienCollection *collnum = TAlienCollection::Open("wn.xml");
  Int_t numrun;
  collnum->Reset();
  collnum->Next();
  TString buf_runnum;
  TString buf_path = collnum->GetTURL() ;
  for(int i=0; i<buf_path.Length();i++)	{
    if(buf_path(i,4)=="/raw")	{
      buf_runnum = buf_path(i-6,6);
      numrun = buf_runnum.Atoi();
      break;
    }
  }
  
  TString names[220];
  Int_t chvalue[220], meanchvalue[220];
  AliT0LookUpKey* lookkey= new AliT0LookUpKey();
  AliT0LookUpValue*  lookvalue= new AliT0LookUpValue();
  AliCDBManager * man = AliCDBManager::Instance();
  man->SetDefaultStorage("raw://");
  man->SetRun(numrun);
  AliT0Parameters *fParam = AliT0Parameters::Instance();
  fParam->Init(); 
  TMap *lookup = fParam->GetMapLookup();
  TMapIter *iter = new TMapIter(lookup);
  for( Int_t iline=0; iline<212; iline++)
    {
      lookvalue = ( AliT0LookUpValue*) iter->Next();
      lookkey = (AliT0LookUpKey*) lookup->GetValue((TObject*)lookvalue);      
      if(lookkey){
	Int_t key=lookkey->GetKey();
	names[key]=lookkey->GetChannelName();
	fT0OutTree->Branch(Form("%s",names[key].Data()), &chvalue[key]);
      }
      else
	{printf(" no such value %i \n", iline);}
    } 
  Float_t meanCFD[24], meanQT1[24];
 
  for (int ich=0; ich<24; ich++) {
    meanCFD[ich] = fParam->GetCFD(ich);
    meanQT1[ich] = fParam->GetQT1(ich);
  }
  Float_t meanOrA = fParam->GetMeanOrA();
  Float_t meanOrC = fParam->GetMeanOrC();
  Float_t meanTVDC = fParam->GetMeanVertex();
  //new QTC

  Float_t qt01mean[28] = {18712.5, 18487.5, 18487.5, 18537.5, 
  			  18562.5, 18462.5, 18537.5, 18537.5, 
			  18537.5, 18587.5, 18587.5, 18512.5,
			   18512.5, 18512.5, 18487.5, 18562.5,
			    18537.5, 18512.5, 18537.5, 18537.5,
			     18512.5, 18587.5, 18562.5, 18512.5,
		      18358, 18350, 18374, 18362};
  Float_t qt11mean[28] = {18705, 18495, 18465, 18555, 
  			18555, 18435, 18525, 18525, 
			18525, 18585, 18585, 18495, 
			18495, 18525, 18465, 18555, 
			18525, 18495, 18555, 18495, 
			18495, 18585, 18585, 18495,
		      18358, 18350, 18374, 18362};
  Int_t ind[26];
  for (int iii=0; iii<12; iii++) ind[iii]=25;
  for (int iii=12; iii<24; iii++) ind[iii]=57;

  UInt_t event;
   fT0OutTree->Branch("event", &event);
   ULong64_t triggerMask;
   fT0OutTree->Branch("triggers", &triggerMask);
    TAlienCollection *coll = TAlienCollection::Open("wn.xml");
      coll->Reset();
    
   AliRawReader *reader;
while (coll->Next()) {
    TString	fFileName=coll->GetTURL();
     //READ DATA
 //     TString	fFileName=Form("alien:///alice/data/2015/LHC15i/000%i/raw/15000%i028.%i.root", numrun, numrun, chunk);
      reader = new AliRawReaderRoot(fFileName);
     if(!reader) continue;

     reader = new AliRawReaderRoot(fFileName);     
     if(!reader) continue;
//     reader->LoadEquipmentIdsMap("T0map.txt");
     reader->RequireHeader(kTRUE);
     for (Int_t i0=0; i0<220; i0++) {
       chvalue[i0] = 0;
       for (Int_t j0=0; j0<5; j0++)  allData[i0][j0]=0; 
     }
//.........这里部分代码省略.........