/[PAMELA software]/PadmeAmidala/src/RunGlue.cpp
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Diff of /PadmeAmidala/src/RunGlue.cpp

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revision 1.5 by mocchiut, Tue Jan 9 10:19:54 2007 UTC revision 1.22 by mocchiut, Fri Oct 17 13:28:01 2014 UTC
# Line 25  RunGlue::RunGlue() { Line 25  RunGlue::RunGlue() {
25  RunGlue::RunGlue(TSQLServer *da, UInt_t ru, TString di, TString wrkdi) {  RunGlue::RunGlue(TSQLServer *da, UInt_t ru, TString di, TString wrkdi) {
26    fDBG = false;    fDBG = false;
27    li = new PamLevel2();    li = new PamLevel2();
28      //  li = 0;
29    this->Clear();    this->Clear();
30    dbc = da;    dbc = da;
31    run = ru;    run = ru;
32    dir = di;    dir = di;
33    //    //
34    TString wd = gSystem->WorkingDirectory();      wd = gSystem->WorkingDirectory();  
35    //    //
36    outdir = wrkdi;    outdir = wrkdi;
37    if ( !strcmp(outdir.Data(),"") ) outdir = wd;    if ( !strcmp(outdir.Data(),"") ) outdir = wd;
# Line 41  RunGlue::RunGlue(TSQLServer *da, UInt_t Line 42  RunGlue::RunGlue(TSQLServer *da, UInt_t
42      runmode = false;      runmode = false;
43      createlist = true;      createlist = true;
44    };    };
45      fUpgrade = true;
46    //    //
47    //  lList = new TList();    //  lList = new TList();
48    //    //
49  };  };
50    
   
51  void RunGlue::Clear() {  void RunGlue::Clear() {
52    fEnd = false;    fEnd = false;
53    run = 0;    run = 0;
# Line 75  void RunGlue::SetDList(TString list) { Line 76  void RunGlue::SetDList(TString list) {
76    if (list.Contains("+ALL", TString::kIgnoreCase)) RUN = true;    if (list.Contains("+ALL", TString::kIgnoreCase)) RUN = true;
77    //    //
78    fDList = list;    fDList = list;
79    li->SetWhichTrees(fDList);    //  li->SetWhichTrees(fDList);
80    //    //
81    if ( DebugMode() ) printf(" Detector list is %s \n",fDList.Data());    if ( DebugMode() ) printf(" Detector list is %s \n",fDList.Data());
82    //    //
83  };  };
84    
85  TList *RunGlue::GetRunList(){  TList *RunGlue::GetRunList(){
86    //    //  
87    lList = new TList();    lList = new TList();
88    lList->Clear();    lList->Clear();
89    TString thisrun;    TString thisrun;
# Line 114  TList *RunGlue::GetRunList(){ Line 115  TList *RunGlue::GetRunList(){
115      TTimeStamp *llim = new TTimeStamp(YY,MM,DD,0,0,0,0,true,0);      TTimeStamp *llim = new TTimeStamp(YY,MM,DD,0,0,0,0,true,0);
116      //      //
117      UInt_t lowerlimit = llim->GetSec();      UInt_t lowerlimit = llim->GetSec();
118      UInt_t upperlimit = lowerlimit + 86401;      UInt_t upperlimit = lowerlimit + 86400;
119      //      //
120      if ( DebugMode() ) printf(" YY %u MM %u DD %u ll %u ul %u \n",YY,MM,DD,lowerlimit,upperlimit);      if ( DebugMode() ) printf(" YY %u MM %u DD %u ll %u ul %u \n",YY,MM,DD,lowerlimit,upperlimit);
121      //      //
# Line 173  TList *RunGlue::GetRunList(){ Line 174  TList *RunGlue::GetRunList(){
174        if ( li->CheckLevel2File(thisrun) ){        if ( li->CheckLevel2File(thisrun) ){
175          lList->Add(su);          lList->Add(su);
176        } else {        } else {
177          if ( DebugMode() ) printf(" RUN %s DISCARDED \n",Row->GetField(0));                  if ( DebugMode() ) printf(" RUN %s DISCARDED \n",Row->GetField(0));
178        };        };
179        //        //
180      };      };
# Line 281  TList *RunGlue::GetRunList(){ Line 282  TList *RunGlue::GetRunList(){
282      TTimeStamp *llim = new TTimeStamp(YY,MM,DD,0,0,0,0,true,0);      TTimeStamp *llim = new TTimeStamp(YY,MM,DD,0,0,0,0,true,0);
283      //      //
284      UInt_t lowerlimit = llim->GetSec();      UInt_t lowerlimit = llim->GetSec();
285      UInt_t upperlimit = lowerlimit + 86401;      UInt_t upperlimit = lowerlimit + 86400;
286      //      //
287      if ( DebugMode() ) printf(" YY %u MM %u DD %u ll %u ul %u \n",YY,MM,DD,lowerlimit,upperlimit);      if ( DebugMode() ) printf(" YY %u MM %u DD %u ll %u ul %u \n",YY,MM,DD,lowerlimit,upperlimit);
288      //      //
# Line 382  Bool_t RunGlue::OpenFile(){ Line 383  Bool_t RunGlue::OpenFile(){
383    //    //
384    fOpen = false;    fOpen = false;
385    printf(" Check if output file already exists \n");    printf(" Check if output file already exists \n");
386    Target = TFile::Open((this->GetFilename()).Data(), "READ" );    ifstream myfile;
387    //    myfile.open((this->GetFilename()).Data());
388    if ( Target ){    if ( myfile ){
389      Target->Close();      //  Target = TFile::Open((this->GetFilename()).Data(), "READ" );
390        //
391        //  if ( Target ){
392        //    Target->Close();
393        myfile.close();
394      printf("Error opening target file, %s  already exist!\n",(this->GetFilename()).Data());      printf("Error opening target file, %s  already exist!\n",(this->GetFilename()).Data());
395      return(false);      return(false);
396    } else {    } else {
397      //      //
398        // try to lock tables and work on a db level to avoid multiple file simultaneous access
399        //
400        stringstream oss;
401        //  
402        if ( fUpgrade ){
403          oss.str("");
404          oss << "lock table GL_ROOT write;";
405          TSQLResult *result = 0;
406          TSQLRow *row = 0;
407          result = dbc->Query(oss.str().c_str());
408          oss.str("");
409          oss << "select ID from GL_ROOT where NAME='" << ((TString)gSystem->BaseName(this->GetFilename())).Data() << "';";
410          result = dbc->Query(oss.str().c_str());
411          row = result->Next();
412          if ( row ){
413            printf("Error opening target file (does %s exist? already in the DB? are the permissions ok?)\n",(this->GetFilename()).Data());
414            return(false);
415          } else {
416            oss.str("");
417            oss << "insert into GL_ROOT (PATH,NAME) values ('$PAM_L2','" << ((TString)gSystem->BaseName(this->GetFilename())).Data() << "');";      
418            result = dbc->Query(oss.str().c_str());
419          };
420          oss.str("");
421          oss << "unlock tables;";
422          result = dbc->Query(oss.str().c_str());
423        };
424        //    Target = TFile::Open((this->GetFilename()).Data(), "RECREATE" );
425        Target = TFile::Open((this->GetFilename()).Data(), "NEW" );    
426        //    
427      printf(" Output file does not exist, creating it\n");      printf(" Output file does not exist, creating it\n");
428      //      //
429      Long64_t maxsize = 99900000000LL;        Long64_t maxsize = 99900000000LL;  
430      //      //
431      Target = TFile::Open((this->GetFilename()).Data(), "RECREATE" );      if ( !Target || Target->IsZombie()) {
432          printf("Error opening target file (does %s exist? are the permissions ok?)\n",(this->GetFilename()).Data());
433          //      exit(1);
434          return(false);
435        }
436        //
437        Target->Write();
438        //
439      //fastMethod = kTRUE;      //fastMethod = kTRUE;
440      fastMethod = kFALSE;      fastMethod = kFALSE;
441      //          //    
     //      
     if ( !Target || Target->IsZombie()) {  
       printf("Error opening target file (does %s exist?)\n",(this->GetFilename()).Data());  
       exit(1);  
     }  
442      //      //
443      TTree::SetMaxTreeSize(maxsize);      TTree::SetMaxTreeSize(maxsize);
444      Target->SetCompressionLevel(2);      //    Target->SetCompressionLevel(2);
445        Target->SetCompressionLevel(3);
446        //Target->SetCompressionLevel(5);
447      //      //
448      fOpen = true;      fOpen = true;
449      return(true);      return(true);
# Line 467  void RunGlue::UpdateDB(TList *dlist){ Line 505  void RunGlue::UpdateDB(TList *dlist){
505    };    };
506    //    //
507    myquery.str("");    myquery.str("");
   myquery << "insert into GL_ROOT (ID_RAW,PATH,NAME) values (" << idr << ",'" << outdir.Data() << "','" << ((TString)gSystem->BaseName(this->GetFilename())).Data() << "');";  
   if ( DebugMode() ) printf(" query is %s \n",myquery.str().c_str());  
   //  
   pResult = dbc->Query(myquery.str().c_str());  
   if ( !pResult ){  
     printf(" ERROR WRITING ON DB!\n");  
     return;  
   };  
   myquery.str("");  
508    myquery << "select ID from GL_ROOT where NAME='" << ((TString)gSystem->BaseName(this->GetFilename())).Data() << "';";    myquery << "select ID from GL_ROOT where NAME='" << ((TString)gSystem->BaseName(this->GetFilename())).Data() << "';";
509    if ( DebugMode() ) printf(" query is %s \n",myquery.str().c_str());    if ( DebugMode() ) printf(" query is %s \n",myquery.str().c_str());
510    //    //
# Line 491  void RunGlue::UpdateDB(TList *dlist){ Line 520  void RunGlue::UpdateDB(TList *dlist){
520    } else {    } else {
521      idl2 = (UInt_t)atoll(Row->GetField(0));      idl2 = (UInt_t)atoll(Row->GetField(0));
522    };    };
523      myquery.str("");
524      //  myquery << "insert into GL_ROOT (ID_RAW,PATH,NAME) values (" << idr << ",'" << outdir.Data() << "','" << ((TString)gSystem->BaseName(this->GetFilename())).Data() << "');";
525      //  myquery << "insert into GL_ROOT (ID_RAW,PATH,NAME) values (" << idr << ",'$PAM_L2','" << ((TString)gSystem->BaseName(this->GetFilename())).Data() << "');";
526      myquery << "update GL_ROOT set ID_RAW=" << idr << " where ID=" << idl2 << ";";
527      if ( DebugMode() ) printf(" query is %s \n",myquery.str().c_str());
528      //
529      pResult = dbc->Query(myquery.str().c_str());
530      if ( !pResult ){
531        printf(" ERROR WRITING ON DB!\n");
532        return;
533      };
534    //    //
535    //    //
536    //    //
# Line 523  void RunGlue::UpdateDB(TList *dlist){ Line 563  void RunGlue::UpdateDB(TList *dlist){
563  //  //
564  void RunGlue::MergeRootfile(TList *sourcelist) {  void RunGlue::MergeRootfile(TList *sourcelist) {
565    //    //
566    merged = false;    merged = true;
   //  
   TDirectory *target = Target;  
   //  
   if ( DebugMode() ) printf("\nTarget path is: %s \n",target->GetPath());  
567    //    //
568    TString path( (char*)strstr( target->GetPath(), ":" ) );    //  if ( li ) li->Delete();
569    path.Remove(0,2);    PamLevel2 *nli = new PamLevel2(wd,sourcelist,fDList);
570    //    nli->SetSELLI(2);
571    TDirectory *first_source = (TDirectory*)sourcelist->First();    //
572    THashList allNames;    Target->cd();
573    //    //
574    while ( first_source ){    nli->CreateCloneTrees(Target);
575      //    //
576      TDirectory *current_sourcedir = first_source->GetDirectory(path);    /*  nli->GetCloneTree("Tracker")->SetAutoSave(900000000000000LL);
577      //    nli->GetCloneTree("Trigger")->SetAutoSave(900000000000000LL);
578      if ( !current_sourcedir ){    nli->GetCloneTree("Calorimeter")->SetAutoSave(900000000000000LL);
579        first_source = (TDirectory*)sourcelist->After(first_source);    nli->GetCloneTree("S4")->SetAutoSave(900000000000000LL);
580        continue;    nli->GetCloneTree("Anticounter")->SetAutoSave(900000000000000LL);
581      nli->GetCloneTree("NeutronD")->SetAutoSave(900000000000000LL);
582      nli->GetCloneTree("OrbitalInfo")->SetAutoSave(900000000000000LL);
583      nli->GetCloneTree("Run")->SetAutoSave(900000000000000LL);
584      nli->GetCloneTree("ToF")->SetAutoSave(900000000000000LL);*/
585      //
586      ULong64_t nevents = nli->GetEntries();        
587      printf(" NEVENTS %llu \n",nevents);
588      for(ULong64_t iev=0; iev<nevents; iev++){
589        nli->Clear();
590        if( nli->GetEntry(iev) ){
591          nli->FillCloneTrees();
592        };
593      };
594      Target->cd();
595      nli->WriteCloneTrees();
596      printf("Written file %s \n",Target->GetName());
597      //  Target->Write();
598      //  TTree *slist = (TTree*)Target->Get("SelectionList");
599      //  slist->Delete("all");
600      if ( !nli->GetCloneTree("ProcessingInfo") ){
601        TChain *P = new TChain("ProcessingInfo");
602        // loop over files and create chains
603        TIter next(sourcelist);
604        TSystemFile *questo = 0;
605        while ((questo = (TSystemFile*) next())) {
606          TString name = questo->GetName();
607          P->Add(name);
608      }      }
609      //      if ( P->GetEntries() ){
610      // loop over all keys in this directory        TTree *Pclone = P->CloneTree();
611      //        Target->cd();
612      TChain *globChain = 0;        Pclone->Write("ProcessingInfo",TObject::kOverwrite);
613      TIter nextkey( current_sourcedir->GetListOfKeys() );        P->Delete();
614      TKey *key = 0;        P=0;
615      TKey *oldkey = 0;      }
616      TH1::AddDirectory(kFALSE); // gain time, do not add the objects in the list in memory    }
617      //    //  
618      while ( (key = (TKey*)nextkey()) ) {    Target->Close();
619        //  
620        //      printf(" target ls \n");  //   //
621        //      Target->ls();  //   TDirectory *target = Target;
622        //  //   //
623        if ( current_sourcedir == target ) break;  //   if ( DebugMode() ) printf("\nTarget path is: %s \n",target->GetPath());
624        //  //   //
625        if ( oldkey && !strcmp(oldkey->GetName(),key->GetName()) ) continue; //keep only the highest cycle number for each key  //   TString path( (char*)strstr( target->GetPath(), ":" ) );
626        //  //   path.Remove(0,2);
627        if ( allNames.FindObject(key->GetName()) ) continue;  //   //
628        //  //   TDirectory *first_source = (TDirectory*)sourcelist->First();
629        if ( DebugMode() ) printf(" Key name is -%s- \n",key->GetName());  //   THashList allNames;
630        //  //   //
631        //  //   while ( first_source ){
632        //  //     //
633        if ( !strcmp(key->GetName(),"Tracker") && !li->TRK2 && !li->TRK1 && !li->TRKh ) continue;  //     TDirectory *current_sourcedir = first_source->GetDirectory(path);
634        //  //     //
635        if ( !strcmp(key->GetName(),"Calorimeter") && !li->CAL2 && !li->CAL1 ) continue;  //     if ( !current_sourcedir ){
636        //  //       first_source = (TDirectory*)sourcelist->After(first_source);
637        if ( !strcmp(key->GetName(),"ToF") && !li->TOF ) continue;  //       continue;
638        //  //     }
639        if ( !strcmp(key->GetName(),"Trigger") && !li->TRG ) continue;  //     //
640        //  //     // loop over all keys in this directory
641        if ( !strcmp(key->GetName(),"Anticounter") && !li->AC ) continue;  //     //
642        //  //     TChain *globChain = 0;    
643        if ( !strcmp(key->GetName(),"S4") && !li->S4 ) continue;  //     TIter nextkey( current_sourcedir->GetListOfKeys() );
644        //  //     TKey *key = 0;
645        if ( !strcmp(key->GetName(),"NeutronD") && !li->ND ) continue;  //     TKey *oldkey = 0;
646        //  //     TH1::AddDirectory(kFALSE); // gain time, do not add the objects in the list in memory
647        if ( !strcmp(key->GetName(),"OrbitalInfo") && !li->ORB ) continue;  //     //
648        //  //     while ( (key = (TKey*)nextkey()) ) {
649        if ( !strcmp(key->GetName(),"Run") && !RUN ) continue;  //       //
650        //  //       //      printf(" target ls \n");
651        if ( strcmp(key->GetName(),"Calorimeter") && strcmp(key->GetName(),"Tracker") && strcmp(key->GetName(),"ToF") && strcmp(key->GetName(),"Trigger") && strcmp(key->GetName(),"Anticounter") && strcmp(key->GetName(),"S4") && strcmp(key->GetName(),"NeutronD") && strcmp(key->GetName(),"OrbitalInfo") && strcmp(key->GetName(),"Run") && strcmp(key->GetName(),"ProcessID0") ){  //       //      Target->ls();
652          if ( DebugMode() ) printf(" ERROR UNKNOWN KEY %s !\n",key->GetName());  //       //
653          continue;  //       if ( current_sourcedir == target ) break;
654        };  //       //
655        //  //       if ( oldkey && !strcmp(oldkey->GetName(),key->GetName()) ) continue; //keep only the highest cycle number for each key
656        allNames.Add(new TObjString(key->GetName()));  //       //
657        //  //       if ( allNames.FindObject(key->GetName()) ) continue;
658        // read object from first source file  //       //
659        //  //       if ( DebugMode() ) printf(" Key name is -%s- \n",key->GetName());
660        current_sourcedir->cd();  //       //
661        TObject *obj = key->ReadObj();  //       //
662        //  //       //
663        if ( obj->IsA()->InheritsFrom("TTree") ){  //       if ( !strcmp(key->GetName(),"Tracker") && !li->IsTRK2() && !li->IsTRK1() && !li->IsTRKh() ) continue;
664          //  //       //
665          // loop over all source files create a chain of Trees "globChain"  //       if ( !strcmp(key->GetName(),"Calorimeter") && !li->IsCAL2() && !li->IsCAL1() ) continue;
666          //  //       //
667          TString obj_name;  //       if ( !strcmp(key->GetName(),"ToF") && !li->IsTOF() ) continue;
668          //  //       //
669          if ( path.Length() ) {  //       if ( !strcmp(key->GetName(),"Trigger") && !li->IsTRG() ) continue;
670            obj_name = path + "/" + obj->GetName();  //       //
671          } else {  //       if ( !strcmp(key->GetName(),"Anticounter") && !li->IsAC() ) continue;
672            obj_name = obj->GetName();  //       //
673          };  //       if ( !strcmp(key->GetName(),"S4") && !li->IsS4() ) continue;
674          //  //       //
675          globChain = new TChain(obj_name);  //       if ( !strcmp(key->GetName(),"NeutronD") && !li->IsND() ) continue;
676          //  //       //
677          globChain->Add(first_source->GetName());  //       if ( !strcmp(key->GetName(),"OrbitalInfo") && !li->IsORB() ) continue;
678          //  //       //
679          TFile *nextsource = (TFile*)sourcelist->After( first_source );  //       if ( !strcmp(key->GetName(),"Run") && !li->IsRUN() ) continue;
680          //  //       //
681          while ( nextsource ) {              //       if ( strcmp(key->GetName(),"Calorimeter") && strcmp(key->GetName(),"Tracker") && strcmp(key->GetName(),"ToF") && strcmp(key->GetName(),"Trigger") && strcmp(key->GetName(),"Anticounter") && strcmp(key->GetName(),"S4") && strcmp(key->GetName(),"NeutronD") && strcmp(key->GetName(),"OrbitalInfo") && strcmp(key->GetName(),"Run") && strcmp(key->GetName(),"ProcessID0") ){
682            //  //      if ( DebugMode() ) printf(" ERROR UNKNOWN KEY %s !\n",key->GetName());
683            //do not add to the list a file that does not contain this Tree  //      continue;
684            //  //       };
685            TFile *curf = TFile::Open(nextsource->GetName());  //       //
686            //  //       printf(" 1 \n");
687            if ( curf ) {  //       allNames.Add(new TObjString(key->GetName()));
688              //  //       printf(" 2 \n");
689              Bool_t mustAdd = kFALSE;  //       //
690              //  //       // read object from first source file
691              if (curf->FindKey(obj_name)) {  //       //
692                //  //       current_sourcedir->cd();
693                mustAdd = kTRUE;  //       TObject *obj = key->ReadObj();
694                //  //       printf(" 3 \n");
695              } else {  //       //
696                //  //       if ( obj->IsA()->InheritsFrom("TTree") ){
697                //we could be more clever here. No need to import the object  //      //
698                //we are missing a function in TDirectory  //              // loop over all source files create a chain of Trees "globChain"
699                //  //      //
700                TObject *aobj = curf->Get(obj_name);  //      TString obj_name;
701                //  //      printf(" 4 \n");
702                if ( aobj ){  //      //
703                  mustAdd = kTRUE;  //      if ( path.Length() ) {
704                  delete aobj;  //        obj_name = path + "/" + obj->GetName();
705                };  //      } else {
706              };  //        obj_name = obj->GetName();
707              if (mustAdd) {  //      };
708                globChain->Add(nextsource->GetName());  //      //
709              };  //      globChain = new TChain(obj_name);
710            };  //      //
711            delete curf;  //      globChain->SetCacheSize(0);
712            nextsource = (TFile*)sourcelist->After(nextsource);  //      //
713          };  //      printf(" 5 \n");
714          //  //      globChain->Add(first_source->GetName());
715          delete nextsource;  //      printf(" 6 \n");
716          //  //      //
717        } else {  //      TFile *nextsource = (TFile*)sourcelist->After( first_source );
718          //  //      //
719          // object is of no type that we know or can handle  //      while ( nextsource ) {            
720          //  //        //
721          if ( DebugMode() ) cout << "Unknown object type, name: "  //        //do not add to the list a file that does not contain this Tree
722               << obj->GetName() << " title: " << obj->GetTitle() << endl;  //        //
723        };  //        printf(" 7 \n");
724        //  //        TFile *curf = TFile::Open(nextsource->GetName());
725        // now write the merged histogram (which is "in" obj) to the target file  //        //
726        // note that this will just store obj in the current directory level,  //        if ( curf ) {
727        // which is not persistent until the complete directory itself is stored  //          //
728        // by "target->Write()" below  //          Bool_t mustAdd = kFALSE;
729        //  //          //
730        if ( obj ){  //          if (curf->FindKey(obj_name)) {
731          //  //            //
732          target->cd();  //            mustAdd = kTRUE;
733          //  //            //
734          if( obj->IsA()->InheritsFrom("TTree") ) {  //          } else {
735            //  //            //
736            Long64_t nfiles = 0;  //            //we could be more clever here. No need to import the object
737            if ( fastMethod ){  //            //we are missing a function in TDirectory
738              //      globChain->Merge(target->GetFile(),0,"C keep fast");  //            //
739              nfiles=this->Mergy((TChain*)globChain,target->GetFile(),0,"C keep fast");  //            TObject *aobj = curf->Get(obj_name);
740            } else {  //            //
741              //globChain->Merge(target->GetFile(),0,"C keep");  //            if ( aobj ){
742              nfiles=this->Mergy((TChain*)globChain,target->GetFile(),0,"C keep");  //              mustAdd = kTRUE;
743            };  //              delete aobj;
744            //  //            };
745            merged = true;  //          };
746            //  //          if (mustAdd) {
747            if ( DebugMode() ){  //            printf(" 8 \n");
748              printf(" Merged %i files\n",(int)nfiles);  //            globChain->Add(nextsource->GetName());
749              globChain->ls();  //            printf(" 9 \n");
750            };  //          };
751            //  //        };
752            delete globChain;  //        delete curf;
753            //      return;  //        nextsource = (TFile*)sourcelist->After(nextsource);
754            //  //      };
755          } else {  //      //
756            //  //      printf(" 10 \n");      
757            //      obj->Write( key->GetName() ); // <==================================================================================  //      delete nextsource;
758            //  //      printf(" 11 \n");
759          };  //      //
760        };  //       } else {
761        delete obj;  //      //
762        oldkey = key;  //      // object is of no type that we know or can handle
763      };  //      //
764      //  //      if ( DebugMode() ) cout << "Unknown object type, name: "
765      first_source = (TDirectory*)sourcelist->After(first_source);  //           << obj->GetName() << " title: " << obj->GetTitle() << endl;
766      //  //       };
767    };  //       //
768    // save modifications to target file  //       // now write the merged histogram (which is "in" obj) to the target file
769    //  //       // note that this will just store obj in the current directory level,
770    target->SaveSelf(kTRUE);  //       // which is not persistent until the complete directory itself is stored
771    //  //       // by "target->Write()" below
772    //       //
773    //       printf(" 12 \n");
774    //       if ( obj ){
775    //      //
776    //      target->cd();
777    //      //
778    //      if( obj->IsA()->InheritsFrom("TTree") ) {
779    //        //
780    //        Long64_t nfiles = 0;
781    //        if ( fastMethod ){
782    //          //      globChain->Merge(target->GetFile(),0,"C keep fast");
783    //          nfiles=this->Mergy((TChain*)globChain,target->GetFile(),0,"C keep fast");
784    //        } else {
785    //          //globChain->Merge(target->GetFile(),0,"C keep");
786    //          printf(" 13 %llu \n",globChain->GetEntries());          
787    //          nfiles=this->Mergy((TChain*)globChain,target->GetFile(),0,"C keep");
788    //          printf(" 14 \n");
789    //        };
790    //        //
791    //        merged = true;
792    //        //
793    //        if ( DebugMode() ){
794    //          printf(" Merged %i files\n",(int)nfiles);
795    //          globChain->ls();
796    //        };
797    //        //
798    //        delete globChain;
799    //        //      return;
800    //        //
801    //      } else {
802    //        //
803    //        //      obj->Write( key->GetName() ); // <==================================================================================
804    //        //
805    //      };
806    //       };
807    //       delete obj;
808    //       oldkey = key;
809    //     };
810    //     //
811    //     first_source = (TDirectory*)sourcelist->After(first_source);
812    //     //
813    //   };
814    //   // save modifications to target file
815    //   //
816    //   target->SaveSelf(kTRUE);
817    //   //
818  };  };
819    
820    
821  Long64_t RunGlue::Mergy(TChain *mychain, TFile* file, Int_t basketsize, Option_t* option){  // Long64_t RunGlue::Mergy(TChain *mychain, TFile* file, Int_t basketsize, Option_t* option){
822     // We must have been passed a file, we will use it  //    // We must have been passed a file, we will use it
823     // later to reset the compression level of the branches.  //    // later to reset the compression level of the branches.
824     if (!file) {  //    if (!file) {
825        // FIXME: We need an error message here.  //       // FIXME: We need an error message here.
826       return 0;  //      printf(" 19 \n");
827     }  //      return 0;
828    //    }
829     // Options  //    printf(" 20 \n");
830     Bool_t fastClone = kFALSE;  
831     TString opt = option;  //    // Options
832     opt.ToLower();  //    Bool_t fastClone = kFALSE;
833     if (opt.Contains("fast")) {  //    TString opt = option;
834        fastClone = kTRUE;  //    opt.ToLower();
835     }  //    if (opt.Contains("fast")) {
836    //       fastClone = kTRUE;
837     // The chain tree must have a list of branches  //       printf(" 21 \n");
838     // because we may try to change their basket  //    }
839     // size later.  //    // The chain tree must have a list of branches
840     TObjArray* lbranches = mychain->GetListOfBranches();  //    // because we may try to change their basket
841     if (!lbranches) {  //    // size later.
842        // FIXME: We need an error message here.  //    TObjArray* lbranches = mychain->GetListOfBranches();
843        return 0;  //    if (!lbranches) {
844     }  //       // FIXME: We need an error message here.
845    //      printf(" 22 \n");
846     // The chain must have a current tree because  //       return 0;
847     // that is the one we will clone.  //    }
848     //   if (!fTree) {  
849        // -- LoadTree() has not yet been called, no current tree.  //    //   file->cd();
850        // FIXME: We need an error message here.  //    // The chain must have a current tree because
851     //      return 0;  //    // that is the one we will clone.
852     //   }  //    //   if (!fTree) {
853    //       // -- LoadTree() has not yet been called, no current tree.
854     // Copy the chain's current tree without  //       // FIXME: We need an error message here.
855     // copying any entries, we will do that later.  //    //      return 0;
856     TTree* newTree = mychain->CloneTree(0);  //    //   }
857     if (!newTree) {  
858        // FIXME: We need an error message here.  //    // Copy the chain's current tree without
859        return 0;  //    // copying any entries, we will do that later.
860     }  //    printf(" 23 \n");
861    //    TTree* newTree = mychain->CloneTree(0);
862     // Strip out the (potential) directory name.  //    if (!newTree) {
863     // FIXME: The merged chain may or may not have the  //       // FIXME: We need an error message here.
864     //        same name as the original chain.  This is  //      printf(" 24 \n");
865     //        bad because the chain name determines the  //       return 0;
866     //        names of the trees in the chain by default.  //    }
867     newTree->SetName(gSystem->BaseName(mychain->GetName()));  //    printf(" 25 \n");
868    
869     // FIXME: Why do we do this?  
870     //   newTree->SetAutoSave(-1);  //    // Strip out the (potential) directory name.
871     newTree->SetAutoSave(900000000000000LL);  //    // FIXME: The merged chain may or may not have the
872    //    //        same name as the original chain.  This is
873     // Circularity is incompatible with merging, it may  //    //        bad because the chain name determines the
874     // force us to throw away entries, which is not what  //    //        names of the trees in the chain by default.
875     // we are supposed to do.  //    printf(" 26 \n");
876     newTree->SetCircular(0);  //    newTree->SetName(gSystem->BaseName(mychain->GetName()));
877    //    printf(" 27 \n");
878     // Reset the compression level of the branches.  
879     if (opt.Contains("c")) {  //    // FIXME: Why do we do this?
880        TBranch* branch = 0;  //    //   newTree->SetAutoSave(-1);
881        TIter nextb(newTree->GetListOfBranches());  //    newTree->SetAutoSave(900000000000000LL);
882        while ((branch = (TBranch*) nextb())) {  
883           branch->SetCompressionLevel(file->GetCompressionLevel());  //    printf(" 28 \n");
884        }  //    // Circularity is incompatible with merging, it may
885     }  //    // force us to throw away entries, which is not what
886    //    // we are supposed to do.
887     // Reset the basket size of the branches.  //    newTree->SetCircular(0);
888     if (basketsize > 1000) {  
889        TBranch* branch = 0;  //    // Reset the compression level of the branches.
890        TIter nextb(newTree->GetListOfBranches());  //    if (opt.Contains("c")) {
891        while ((branch = (TBranch*) nextb())) {  //       TBranch* branch = 0;
892           branch->SetBasketSize(basketsize);  //       TIter nextb(newTree->GetListOfBranches());
893        }  //       while ((branch = (TBranch*) nextb())) {
894     }  //      printf(" 29 \n");
895    //          branch->SetCompressionLevel(file->GetCompressionLevel());
896     Long64_t nentries = mychain->GetEntriesFast();  //       }
897    //    }
898     // Copy the entries.  
899     if (fastClone) {  //    printf(" 30 \n");
900        // For each tree in the chain.  //    // Reset the basket size of the branches.
901        for (Long64_t i = 0; i < nentries; i += mychain->GetTree()->GetEntries()) {  //    if (basketsize > 1000) {
902           if (mychain->LoadTree(i) < 0) {  //       TBranch* branch = 0;
903              break;  //       TIter nextb(newTree->GetListOfBranches());
904           }  //       while ((branch = (TBranch*) nextb())) {
905           TTreeCloner cloner(mychain->GetTree(), newTree, option);  //      printf(" 31 \n");
906           if (cloner.IsValid()) {  //          branch->SetBasketSize(basketsize);
907              newTree->SetEntries(newTree->GetEntries() + mychain->GetTree()->GetEntries());  //       }
908              cloner.Exec();  //    }
909           } else {  
910              if (mychain->GetFile()) {  //    printf(" 32 \n");
911                printf("Merge Skipped file %s\n", mychain->GetFile()->GetName());  //    Long64_t nentries = mychain->GetEntriesFast();
912                 //            } else {  //    //Long64_t nentries = mychain->GetEntries();
913                 //               Warning("Merge", "Skipped file number %d\n", fTreeNumber);  
914              }  //    // Copy the entries.
915           }  //    if (fastClone) {
916        }  //       // For each tree in the chain.
917     } else {  //       for (Long64_t i = 0; i < nentries; i += mychain->GetTree()->GetEntries()) {
918        for (Long64_t i = 0; i < nentries; i++) {  //          if (mychain->LoadTree(i) < 0) {
919           if (mychain->GetEntry(i) <= 0) {  //             break;
920              break;  //          }
921           }  //          TTreeCloner cloner(mychain->GetTree(), newTree, option);
922           newTree->Fill();  //          if (cloner.IsValid()) {
923        }  //             newTree->SetEntries(newTree->GetEntries() + mychain->GetTree()->GetEntries());
924     }  //             cloner.Exec();
925    //          } else {
926     // Write the new tree header.  //             if (mychain->GetFile()) {
927     newTree->Write();  //            printf("Merge Skipped file %s\n", mychain->GetFile()->GetName());
928    //             //            } else {
929     // Get our return value.  //             //               Warning("Merge", "Skipped file number %d\n", fTreeNumber);
930     Int_t nfiles = newTree->GetFileNumber() + 1;  //             }
931    //          }
932     // Close and delete the current file of the new tree.  //       }
933     if (!opt.Contains("keep")) {  //    } else {
934        // FIXME: What happens to fDirectory in newTree here?  //      printf(" 33 %llu \n",nentries);
935        delete newTree->GetCurrentFile();  //      mychain->Print();
936     }  //      for (Long64_t i = 0; i < nentries; i++) {
937     return nfiles;  //        printf(" i %llu \n",i);
938  }  //        // for (Long64_t i = 0; i < 1; i++) {
939    //          if (mychain->GetEntry(i) <= 0) {
940    //             break;
941    //          }
942    //          newTree->Fill();
943    //       }
944    //       printf(" 34 \n");
945    //    }
946    
947    //    // Write the new tree header.
948    //    printf(" 35 \n");
949    //    newTree->Write();
950    
951    //    printf(" 36 \n");
952    //    // Get our return value.
953    //    Int_t nfiles = newTree->GetFileNumber() + 1;
954    
955    //    // Close and delete the current file of the new tree.
956    //    if (!opt.Contains("keep")) {
957    //       // FIXME: What happens to fDirectory in newTree here?
958    //       delete newTree->GetCurrentFile();
959    //    }
960    //    return nfiles;
961    // }
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