TreeMod/src/Analysis.cc

// $Id: Analysis.cc,v 1.5 2008/06/11 14:52:43 loizides Exp $

#include "MitAna/TreeMod/interface/Analysis.h"
#include <Riostream.h>
#include <TFile.h>
#include <TList.h>
#include <TDSet.h>
#include <TChain.h>
#include <TObjString.h>
#include <TSystem.h>
#include <TProof.h>
#include <TROOT.h>
#include <TBrowser.h>
#include "MitAna/DataUtil/interface/Debug.h"
#include "MitAna/DataTree/interface/Names.h"
#include "MitAna/TAM/interface/TAMVirtualLoader.h"
#include "MitAna/TAM/interface/TAModule.h"
#include "MitAna/TAM/interface/TAMSelector.h"

ClassImp(mithep::Analysis)

using namespace mithep;

//__________________________________________________________________________________________________
Analysis::Analysis(Bool_t useproof) : 
  fUseProof(useproof), 
  fHierachy(kTRUE), 
  fState(kPristine), 
  fNFriends(0), 
  fList(new TList), 
  fOutput(0), 
  fPackages(new TList), 
  fLoaders(new TList),
  fSuperMod(0), 
  fSelector(0), 
  fChain(0), 
  fSet(0), 
  fDeleteList(new TList),
  fTreeName(Names::gkMitTreeName),
  fCompLevel(2), 
  fProof(0),
  fDoNEvents(TChain::kBigNumber)
{
  // Default constructor.

  fList->SetOwner();
  fDeleteList->SetOwner();

  /* default packages for PROOF upload */
  fPackages->SetOwner();
  // nothing to be done since we do not use par files (yet?)
}

//__________________________________________________________________________________________________
Analysis::~Analysis()
{
  // Destructor.

  if (fState == kInit || fState == kRun)
    Terminate();

  delete fList;
  delete fDeleteList;
  delete fLoaders;
  delete fSelector;
  delete fPackages;
  fOutput   = 0;   // owned by TAM
  fSuperMod = 0;   // owned by user

  delete fProof;
}

//__________________________________________________________________________________________________
Bool_t Analysis::AddFile(const char *pname)
{
  // Add file with given name to the list of files to be processed. 
  // Using the token "|", you can specify an arbritray number
  // of paths to tree files that will be concatenated as friend 
  // trees.

  if (fState != kPristine) {
    Error("AddFile", "Analysis already initialized");
    return kFALSE;
  }

  TString pnamestr(pname);
  TString tok("|");
  TObjArray *arr = pnamestr.Tokenize(tok);
  TString msg;

  for(Int_t i=0; i<arr->GetEntries(); i++){
      
    TObjString *dummy = dynamic_cast<TObjString*>(arr->At(i));
    if(!dummy) continue;

    AddFile(dummy->GetName(),i);      
    if(i==0) msg=dummy->GetName();
    else {
      Info("AddFile", "Add file %s as friend to %s", 
           dummy->GetName(), msg.Data());
    }
  }
  delete arr;

  return kTRUE;
}

//________________________________________________________________________
void Analysis::AddFile(const char *pname, Int_t eventlist)
{
  // Add file name to the event list specified by eventlist. The lists
  // are used to hold filenames of different types of events. In case
  // you dont want friend trees, just give no eventlist argument (default 0).

  MitAssert("AddFile", pname != 0);

  TList *l = 0;
  if (eventlist >= 0 && eventlist < fNFriends) {
      
    l = dynamic_cast<TList*>(fList->At(eventlist));
    if (!l) {
      Fatal("AddFile", "Requested list %d not found!", eventlist);
      return;
    }

  } else if (eventlist == fNFriends) {
      
    l = new TList;
    l->SetOwner();
    fList->Add(l);
    fNFriends++;

  } else if (eventlist < 0 || eventlist > fNFriends) {
    Error("AddFile", "Specified list %d not in [0,%d]", eventlist, fNFriends);
    return;
  }
   
  if(!IsValidName(pname)) return;

  l->Add(new TObjString(pname));

  MDB(kAnalysis, 2)
    Info("AddFile", "Added %s to list of files.", pname);
}

//__________________________________________________________________________________________________
void Analysis::AddFile(const TObject *oname, Int_t eventlist)
{
  // Add file name to the event list specified by eventlist. The lists
  // are used to hold filenames of  different types of events. In case
  // you dont want mixing, just give no eventlist argument (default 0).

  MitAssert("AddFile", oname != 0);

  return AddFile(oname->GetName(), eventlist);
}

//________________________________________________________________________
Bool_t Analysis::AddFiles(const char *pname, Int_t nmax)
{
  // Add files from text file with given name. If nmax>0, 
  // maximum nmax files will be added.

  MitAssert("AddFiles", pname != 0);

  ifstream in;
  in.open(pname);
  if (!in) {
    Error("AddFiles", "Can not open file with name %s", pname);
    return kFALSE;
  }

  Int_t fc = 0;
  while (in) {
    TString line;
    line.ReadLine(in);
    cout << line << endl;
    if (!line.EndsWith(".root")) 
      continue;
    cout << line << endl;

    if (!AddFile(line)) {
      Error("AddFiles", "Error adding file with name %s", line.Data());
      return kFALSE;
    }

    ++fc;
    if(nmax>0 && fc>=nmax) {
      Info("AddFiles", "Maximal number (%d) of files added", nmax);
      break;
    }
  } 

  return kTRUE;
}

//__________________________________________________________________________________________________
void Analysis::AddList(TList *list, Int_t eventlist)
{
  // Add file name to the event list specified by eventlist. The lists
  // are used to hold filenames of  different types of events. In case
  // you dont want mixing, just give no eventlist argument (default 0).

  MitAssert("AddList", list != 0);

  TIter next(list);                           
  while (TObject *obj = next())                                
    AddFile(obj->GetName(), eventlist);
}

//__________________________________________________________________________________________________
void Analysis::AddLoader(TAMVirtualLoader *l)      
{ 
  // Add loader to the list of loaders.

  fLoaders->Add(l); 
}

//__________________________________________________________________________________________________
void Analysis::AddPackage(const char* name)
{
  // Add package to the list of uploaded packages.

  MitAssert("AddPackage", name != 0);
  fPackages->Add(new TObjString(name));
}

//__________________________________________________________________________________________________
void Analysis::AddPackages(TList *list)
{
  // Add list of packages to the list of uploaded packages.

  MitAssert("AddPackage", list != 0);

  TIter next(list);
  while (TObject *obj = next()) {
    fPackages->Add(new TObjString(obj->GetName()));
  }
}

//__________________________________________________________________________________________________
Bool_t Analysis::Init()
{
  // Setup the TDSet and TChain to be used for the analysis
  // with or without PROOF. If more than one list of 
  // file names was given, friend trees are supported.

  if (fState == kRun || fState == kInit) {
    Error("Init", "Init in state %d is not possible! Call Terminate() first.",
          Int_t(fState));
    return kFALSE;
  }

  if (fNFriends <= 0) {
    Error("Init", "List of friend lists is empty!");
    return kFALSE;
  }

  if (!fSuperMod) {
    Error("Init", "Top-level TAM module is NULL!");
    return kFALSE;
  }

  if (fUseProof) { // first init our PROOF session
    if (!InitProof()) return kFALSE;
  }

  // we do this here instead in Terminate() so that 
  // we can browse the output even after Terminate()
  delete fSelector;
  fSelector = 0;

  fChain = new TChain(fTreeName); 
  fSet   = new TDSet("TTree",fTreeName);

  for(Int_t i=0; i<fNFriends; i++){

    TList *l = dynamic_cast<TList*>(fList->At(i));
    if (!l) {
      Fatal("Init", "List %d not found!", i);
      return kFALSE;
    }

    if (i == 0) {
      TIter next(l);                           
      while ( TObjString *obj = dynamic_cast<TObjString*>(next()) ) {
        fChain->Add(obj->GetName());
        fSet->Add(obj->GetName());
      }

    } else {

      TChain *chain = new TChain(fTreeName); 
      TDSet *set    = new TDSet("TTree",fTreeName);

      TIter next(l);                           
      while (TObjString *obj = dynamic_cast<TObjString*>(next())) {
        chain->Add(obj->GetName());
        set->Add(obj->GetName());
      }

      TString alias("TAMTREE_"); // aliases currently not used
      alias+=i;

      fChain->AddFriend(chain,alias.Data());
      fSet->AddFriend(set,alias.Data());

      fDeleteList->Add(chain);
      fDeleteList->Add(set);
    }

  }

  // if we had our default TAM plugin we would create it here
  //  TreeLoader *bl = new TreeLoader;
  //  fLoaders->Add(bl);
  //  fDeleteList->Add(bl);

  if (fUseProof) {

    fProof->AddInput(fSuperMod);
    fLoaders->SetName("TAM_LOADERS");
    fProof->AddInput(fLoaders);      

  } else {

    // when not running Proof, we must make a selector
    fSelector = new TAMSelector; 
    fSelector->AddInput(fSuperMod);
    MDB(kAnalysis, 2)
      fSelector->SetVerbosity(1);

    // pass loaders to selector
    TIter next(fLoaders);                           
    while ( TAMVirtualLoader *l = dynamic_cast<TAMVirtualLoader*>(next()) )
      fSelector->AddLoader(l);
  }

  fState = kInit;
  return kTRUE;
}

//__________________________________________________________________________________________________
Bool_t Analysis::InitProof()
{
  // Initialize PROOF connection.

  if(fProof && fProof->IsValid()) 
    return kTRUE;

  delete fProof;

  if (fMaster.Contains("rcf.bnl.gov")) {
    for(Int_t i=0;i<5;i++) {
      Warning("InitProof", "*** DID YOU RUN PROOF_KINIT? %d (5) ***", i);
      gSystem->Sleep(1000);
    }
  }

  MDB(kAnalysis, 1)
    Info("InitProof", "Starting PROOF on master %s with config %s",
         fMaster.Data(), fConfig.Data());

  fProof = dynamic_cast<TProof*>(TProof::Open(fMaster, fConfig));
  if (!fProof) {
    Error("InitProof", "Could not start PROOF!");
    return kFALSE;
  }

  MDB(kAnalysis, 3)
    gROOT->Print();

  //fProof->AddInput(new TNamed("PROOF_NewPacketizer",""));

  Bool_t ret=kTRUE;
  if (fPackages) {
    // tell Proof what additional libraries we will need on each worker computer
    ret = UploadPackages(fPackages);
  }

  return ret;
}

//__________________________________________________________________________________________________
void Analysis::Run()
{
  // Run the analysis on the created file set.

  if (fState == kPristine || fState == kRun) {
    Error("Run", "Run in state %d is not possible! Call Init() first.",
          Int_t(fState));
  }

  if (fUseProof) {

    MDB(kAnalysis, 1)
      Info("Run", "Start processing with PROOF...");

    fSet->Process("TAMSelector","",fDoNEvents);

  } else {

    MDB(kAnalysis, 1)
      Info("Run", "Start processing (no PROOF)...");

    fChain->Process(fSelector,"",fDoNEvents);
  }

  MDB(kAnalysis, 1)
    Info("Run", "Processing complete!");

  fState = kRun;
}

//__________________________________________________________________________________________________
Bool_t Analysis::Run(Bool_t browse)
{
  // Execute analysis and open TBrowser if requested.

  if (Init()) {
    Run();
    Terminate();
    if(browse) {
      new TBrowser;
    }
    return kTRUE;
  }

  Error("Execute", "Could not initialize analysis.");
  return kFALSE;
}

//__________________________________________________________________________________________________
void Analysis::Terminate()
{
  // Terminate current analysis run.

  if (fState == kPristine || fState == kTerminate) {
    Error("Terminate", "Terminate in state %d is not possible! Call Init() first.",
          Int_t(fState));
    return;
  }

  if (fState == kRun) {

    if (fUseProof) {
      // the output list from Proof can (in principal) contain other objects
      // besides the module output hierarchy.
      TList* outputlist = fProof->GetOutputList();
      TIter nextOut(outputlist);
      while (TObject *obj = nextOut()) {
        if (obj->InheritsFrom(TAMOutput::Class())) {
          fOutput = dynamic_cast<TList*>(obj);
          break;
        }
      }

    } else {
      fOutput = fSelector->GetModOutput();
    }

    if (fOutput && !fAnaOutput.IsNull()) {
      TDirectory::TContext context(0); // automatically restore gDirectory

      std::auto_ptr<TFile> outf(TFile::Open(fAnaOutput,"recreate","", fCompLevel));
      if (outf.get() == 0) {
        Error("Terminate", "Could not open file %s for output!", fAnaOutput.Data());
      } else {
        MDB(kAnalysis, 1)
          Info("Terminate", "Saving output to %s!", fAnaOutput.Data());

        if (fHierachy) 
          fOutput->Write(fOutput->GetName(),TObject::kSingleKey);       
        else 
          fOutput->Write();
               
      }
    }
  }

  delete fChain;
  delete fSet;
  fDeleteList->Delete();

  fState = kTerminate;
}

//__________________________________________________________________________________________________
Bool_t Analysis::UploadPackages(TList *packages)
{
  // Upload list of par files to the server.

  MitAssert("UploadPackages", packages != 0);

  for(Int_t i=0; i < packages->GetEntries(); i++) {

    TObject* objstr = packages->At(i); 
    if (!objstr){
      Error("InitProof", "Problem at package number %d!", i);
      return kFALSE;
    }

    TString packname = objstr->GetName();
    Int_t en = 0;
    if (packname.EndsWith("+")) { 
      en=1;
      packname.Resize(packname.Length()-1);
    }

    ifstream ftest(gSystem->ExpandPathName(packname.Data()),ios_base::binary);
    if (!ftest.good()){
      Error("InitProof", "Could not open %s for upload!", packname.Data());
      return kFALSE;
    }

    if(fProof->UploadPackage(packname)<0) {
      Error("UploadPackage", "Upload for %s failed!", packname.Data());
      return kFALSE;
    }

    if (en == 1) {
      Int_t pos=packname.Last('/')+1;
      if (pos) packname.Remove(0,pos);
      if(fProof->EnablePackage(packname)<0) {
        Error("UploadPackage", "Enabling for %s failed!", packname.Data());
        return kFALSE;
      }
    }
  }

  return kTRUE;
}
Revision:	1.6
Committed:	Wed Jun 11 23:36:37 2008 UTC (16 years, 10 months ago) by paus
Content type:	text/plain
Branch:	MAIN
Changes since 1.5:	+2 -2 lines
Log Message:	Fix default for fGoNEvents.
#	User	Rev	Content
1	paus	1.6	// $Id: Analysis.cc,v 1.5 2008/06/11 14:52:43 loizides Exp $
2	loizides	1.1
3			#include "MitAna/TreeMod/interface/Analysis.h"
4			#include <Riostream.h>
5			#include <TFile.h>
6			#include <TList.h>
7			#include <TDSet.h>
8			#include <TChain.h>
9			#include <TObjString.h>
10			#include <TSystem.h>
11			#include <TProof.h>
12			#include <TROOT.h>
13	loizides	1.4	#include <TBrowser.h>
14	loizides	1.1	#include "MitAna/DataUtil/interface/Debug.h"
15	loizides	1.2	#include "MitAna/DataTree/interface/Names.h"
16	loizides	1.1	#include "MitAna/TAM/interface/TAMVirtualLoader.h"
17			#include "MitAna/TAM/interface/TAModule.h"
18			#include "MitAna/TAM/interface/TAMSelector.h"
19
20			ClassImp(mithep::Analysis)
21
22			using namespace mithep;
23
24			//__________________________________________________________________________________________________
25	loizides	1.5	Analysis::Analysis(Bool_t useproof) :
26			fUseProof(useproof),
27			fHierachy(kTRUE),
28			fState(kPristine),
29			fNFriends(0),
30			fList(new TList),
31			fOutput(0),
32			fPackages(new TList),
33			fLoaders(new TList),
34			fSuperMod(0),
35			fSelector(0),
36			fChain(0),
37			fSet(0),
38			fDeleteList(new TList),
39			fTreeName(Names::gkMitTreeName),
40			fCompLevel(2),
41			fProof(0),
42	paus	1.6	fDoNEvents(TChain::kBigNumber)
43	loizides	1.4	{
44			// Default constructor.
45
46			fList->SetOwner();
47			fDeleteList->SetOwner();
48
49			/* default packages for PROOF upload */
50			fPackages->SetOwner();
51			// nothing to be done since we do not use par files (yet?)
52	loizides	1.1	}
53
54			//__________________________________________________________________________________________________
55			Analysis::~Analysis()
56			{
57	loizides	1.4	// Destructor.
58	loizides	1.1
59	loizides	1.4	if (fState == kInit \|\| fState == kRun)
60			Terminate();
61	loizides	1.1
62	loizides	1.4	delete fList;
63			delete fDeleteList;
64			delete fLoaders;
65			delete fSelector;
66			delete fPackages;
67			fOutput = 0; // owned by TAM
68			fSuperMod = 0; // owned by user
69	loizides	1.1
70	loizides	1.4	delete fProof;
71	loizides	1.1	}
72
73			//__________________________________________________________________________________________________
74	loizides	1.5	Bool_t Analysis::AddFile(const char *pname)
75	loizides	1.1	{
76	loizides	1.4	// Add file with given name to the list of files to be processed.
77			// Using the token "\|", you can specify an arbritray number
78			// of paths to tree files that will be concatenated as friend
79			// trees.
80
81			if (fState != kPristine) {
82			Error("AddFile", "Analysis already initialized");
83			return kFALSE;
84			}
85
86			TString pnamestr(pname);
87			TString tok("\|");
88			TObjArray *arr = pnamestr.Tokenize(tok);
89			TString msg;
90	loizides	1.1
91	loizides	1.4	for(Int_t i=0; i<arr->GetEntries(); i++){
92	loizides	1.1
93	loizides	1.4	TObjString dummy = dynamic_cast<TObjString>(arr->At(i));
94			if(!dummy) continue;
95	loizides	1.1
96	loizides	1.4	AddFile(dummy->GetName(),i);
97			if(i==0) msg=dummy->GetName();
98			else {
99			Info("AddFile", "Add file %s as friend to %s",
100			dummy->GetName(), msg.Data());
101			}
102			}
103			delete arr;
104	loizides	1.1
105	loizides	1.4	return kTRUE;
106	loizides	1.1	}
107
108			//________________________________________________________________________
109			void Analysis::AddFile(const char *pname, Int_t eventlist)
110			{
111	loizides	1.4	// Add file name to the event list specified by eventlist. The lists
112			// are used to hold filenames of different types of events. In case
113			// you dont want friend trees, just give no eventlist argument (default 0).
114	loizides	1.1
115	loizides	1.4	MitAssert("AddFile", pname != 0);
116	loizides	1.1
117	loizides	1.4	TList *l = 0;
118			if (eventlist >= 0 && eventlist < fNFriends) {
119	loizides	1.1
120	loizides	1.4	l = dynamic_cast<TList*>(fList->At(eventlist));
121			if (!l) {
122			Fatal("AddFile", "Requested list %d not found!", eventlist);
123			return;
124			}
125	loizides	1.1
126	loizides	1.4	} else if (eventlist == fNFriends) {
127	loizides	1.1
128	loizides	1.4	l = new TList;
129			l->SetOwner();
130			fList->Add(l);
131			fNFriends++;
132
133			} else if (eventlist < 0 \|\| eventlist > fNFriends) {
134			Error("AddFile", "Specified list %d not in [0,%d]", eventlist, fNFriends);
135			return;
136			}
137	loizides	1.1
138	loizides	1.4	if(!IsValidName(pname)) return;
139	loizides	1.1
140	loizides	1.4	l->Add(new TObjString(pname));
141	loizides	1.1
142	loizides	1.4	MDB(kAnalysis, 2)
143			Info("AddFile", "Added %s to list of files.", pname);
144	loizides	1.1	}
145
146			//__________________________________________________________________________________________________
147			void Analysis::AddFile(const TObject *oname, Int_t eventlist)
148			{
149	loizides	1.4	// Add file name to the event list specified by eventlist. The lists
150			// are used to hold filenames of different types of events. In case
151			// you dont want mixing, just give no eventlist argument (default 0).
152	loizides	1.1
153	loizides	1.4	MitAssert("AddFile", oname != 0);
154	loizides	1.1
155	loizides	1.4	return AddFile(oname->GetName(), eventlist);
156	loizides	1.1	}
157
158	loizides	1.5	//________________________________________________________________________
159			Bool_t Analysis::AddFiles(const char *pname, Int_t nmax)
160			{
161			// Add files from text file with given name. If nmax>0,
162			// maximum nmax files will be added.
163
164			MitAssert("AddFiles", pname != 0);
165
166			ifstream in;
167			in.open(pname);
168			if (!in) {
169			Error("AddFiles", "Can not open file with name %s", pname);
170			return kFALSE;
171			}
172
173			Int_t fc = 0;
174			while (in) {
175			TString line;
176			line.ReadLine(in);
177			cout << line << endl;
178			if (!line.EndsWith(".root"))
179			continue;
180			cout << line << endl;
181
182			if (!AddFile(line)) {
183			Error("AddFiles", "Error adding file with name %s", line.Data());
184			return kFALSE;
185			}
186
187			++fc;
188			if(nmax>0 && fc>=nmax) {
189			Info("AddFiles", "Maximal number (%d) of files added", nmax);
190			break;
191			}
192			}
193
194			return kTRUE;
195			}
196
197	loizides	1.1	//__________________________________________________________________________________________________
198			void Analysis::AddList(TList *list, Int_t eventlist)
199			{
200	loizides	1.4	// Add file name to the event list specified by eventlist. The lists
201			// are used to hold filenames of different types of events. In case
202			// you dont want mixing, just give no eventlist argument (default 0).
203
204			MitAssert("AddList", list != 0);
205
206			TIter next(list);
207			while (TObject *obj = next())
208			AddFile(obj->GetName(), eventlist);
209	loizides	1.1	}
210
211			//__________________________________________________________________________________________________
212			void Analysis::AddLoader(TAMVirtualLoader *l)
213			{
214	loizides	1.4	// Add loader to the list of loaders.
215	loizides	1.1
216	loizides	1.4	fLoaders->Add(l);
217	loizides	1.1	}
218
219			//__________________________________________________________________________________________________
220			void Analysis::AddPackage(const char* name)
221			{
222	loizides	1.4	// Add package to the list of uploaded packages.
223	loizides	1.1
224	loizides	1.4	MitAssert("AddPackage", name != 0);
225			fPackages->Add(new TObjString(name));
226	loizides	1.1	}
227
228			//__________________________________________________________________________________________________
229			void Analysis::AddPackages(TList *list)
230			{
231	loizides	1.4	// Add list of packages to the list of uploaded packages.
232	loizides	1.1
233	loizides	1.4	MitAssert("AddPackage", list != 0);
234	loizides	1.1
235	loizides	1.4	TIter next(list);
236			while (TObject *obj = next()) {
237			fPackages->Add(new TObjString(obj->GetName()));
238			}
239	loizides	1.1	}
240
241			//__________________________________________________________________________________________________
242			Bool_t Analysis::Init()
243			{
244	loizides	1.4	// Setup the TDSet and TChain to be used for the analysis
245			// with or without PROOF. If more than one list of
246			// file names was given, friend trees are supported.
247
248			if (fState == kRun \|\| fState == kInit) {
249			Error("Init", "Init in state %d is not possible! Call Terminate() first.",
250			Int_t(fState));
251			return kFALSE;
252			}
253
254			if (fNFriends <= 0) {
255			Error("Init", "List of friend lists is empty!");
256			return kFALSE;
257			}
258
259			if (!fSuperMod) {
260			Error("Init", "Top-level TAM module is NULL!");
261			return kFALSE;
262			}
263
264			if (fUseProof) { // first init our PROOF session
265			if (!InitProof()) return kFALSE;
266			}
267
268			// we do this here instead in Terminate() so that
269			// we can browse the output even after Terminate()
270			delete fSelector;
271			fSelector = 0;
272
273			fChain = new TChain(fTreeName);
274			fSet = new TDSet("TTree",fTreeName);
275
276			for(Int_t i=0; i<fNFriends; i++){
277
278			TList l = dynamic_cast<TList>(fList->At(i));
279			if (!l) {
280			Fatal("Init", "List %d not found!", i);
281	loizides	1.1	return kFALSE;
282	loizides	1.4	}
283
284			if (i == 0) {
285			TIter next(l);
286			while ( TObjString obj = dynamic_cast<TObjString>(next()) ) {
287			fChain->Add(obj->GetName());
288			fSet->Add(obj->GetName());
289			}
290	loizides	1.1
291	loizides	1.4	} else {
292	loizides	1.1
293	loizides	1.4	TChain *chain = new TChain(fTreeName);
294			TDSet *set = new TDSet("TTree",fTreeName);
295	loizides	1.1
296	loizides	1.4	TIter next(l);
297			while (TObjString obj = dynamic_cast<TObjString>(next())) {
298			chain->Add(obj->GetName());
299			set->Add(obj->GetName());
300	loizides	1.1	}
301
302	loizides	1.4	TString alias("TAMTREE_"); // aliases currently not used
303			alias+=i;
304	loizides	1.1
305	loizides	1.4	fChain->AddFriend(chain,alias.Data());
306			fSet->AddFriend(set,alias.Data());
307	loizides	1.1
308	loizides	1.4	fDeleteList->Add(chain);
309			fDeleteList->Add(set);
310			}
311	loizides	1.1
312	loizides	1.4	}
313	loizides	1.1
314	loizides	1.4	// if we had our default TAM plugin we would create it here
315			// TreeLoader *bl = new TreeLoader;
316			// fLoaders->Add(bl);
317			// fDeleteList->Add(bl);
318	loizides	1.1
319	loizides	1.4	if (fUseProof) {
320	loizides	1.1
321	loizides	1.4	fProof->AddInput(fSuperMod);
322			fLoaders->SetName("TAM_LOADERS");
323			fProof->AddInput(fLoaders);
324	loizides	1.1
325	loizides	1.4	} else {
326	loizides	1.1
327	loizides	1.4	// when not running Proof, we must make a selector
328			fSelector = new TAMSelector;
329			fSelector->AddInput(fSuperMod);
330			MDB(kAnalysis, 2)
331			fSelector->SetVerbosity(1);
332	loizides	1.1
333	loizides	1.4	// pass loaders to selector
334			TIter next(fLoaders);
335			while ( TAMVirtualLoader l = dynamic_cast<TAMVirtualLoader>(next()) )
336			fSelector->AddLoader(l);
337			}
338	loizides	1.1
339	loizides	1.4	fState = kInit;
340			return kTRUE;
341	loizides	1.1	}
342
343			//__________________________________________________________________________________________________
344			Bool_t Analysis::InitProof()
345			{
346	loizides	1.4	// Initialize PROOF connection.
347	loizides	1.1
348	loizides	1.4	if(fProof && fProof->IsValid())
349			return kTRUE;
350	loizides	1.1
351	loizides	1.4	delete fProof;
352	loizides	1.1
353	loizides	1.4	if (fMaster.Contains("rcf.bnl.gov")) {
354			for(Int_t i=0;i<5;i++) {
355			Warning("InitProof", "* DID YOU RUN PROOF_KINIT? %d (5) *", i);
356			gSystem->Sleep(1000);
357			}
358			}
359
360			MDB(kAnalysis, 1)
361			Info("InitProof", "Starting PROOF on master %s with config %s",
362			fMaster.Data(), fConfig.Data());
363
364			fProof = dynamic_cast<TProof*>(TProof::Open(fMaster, fConfig));
365			if (!fProof) {
366			Error("InitProof", "Could not start PROOF!");
367			return kFALSE;
368			}
369
370			MDB(kAnalysis, 3)
371			gROOT->Print();
372
373			//fProof->AddInput(new TNamed("PROOF_NewPacketizer",""));
374
375			Bool_t ret=kTRUE;
376			if (fPackages) {
377			// tell Proof what additional libraries we will need on each worker computer
378			ret = UploadPackages(fPackages);
379			}
380	loizides	1.1
381	loizides	1.4	return ret;
382	loizides	1.1	}
383
384			//__________________________________________________________________________________________________
385			void Analysis::Run()
386			{
387	loizides	1.4	// Run the analysis on the created file set.
388	loizides	1.1
389	loizides	1.4	if (fState == kPristine \|\| fState == kRun) {
390			Error("Run", "Run in state %d is not possible! Call Init() first.",
391			Int_t(fState));
392			}
393	loizides	1.1
394	loizides	1.4	if (fUseProof) {
395	loizides	1.1
396	loizides	1.4	MDB(kAnalysis, 1)
397			Info("Run", "Start processing with PROOF...");
398	loizides	1.1
399	loizides	1.5	fSet->Process("TAMSelector","",fDoNEvents);
400	loizides	1.1
401	loizides	1.4	} else {
402	loizides	1.1
403	loizides	1.4	MDB(kAnalysis, 1)
404			Info("Run", "Start processing (no PROOF)...");
405	loizides	1.1
406	loizides	1.5	fChain->Process(fSelector,"",fDoNEvents);
407	loizides	1.4	}
408	loizides	1.1
409	loizides	1.4	MDB(kAnalysis, 1)
410			Info("Run", "Processing complete!");
411	loizides	1.1
412	loizides	1.4	fState = kRun;
413	loizides	1.1	}
414
415			//__________________________________________________________________________________________________
416	loizides	1.4	Bool_t Analysis::Run(Bool_t browse)
417	loizides	1.1	{
418	loizides	1.4	// Execute analysis and open TBrowser if requested.
419	loizides	1.1
420	loizides	1.4	if (Init()) {
421			Run();
422			Terminate();
423			if(browse) {
424			new TBrowser;
425			}
426			return kTRUE;
427			}
428	loizides	1.1
429	loizides	1.4	Error("Execute", "Could not initialize analysis.");
430			return kFALSE;
431			}
432	loizides	1.1
433	loizides	1.4	//__________________________________________________________________________________________________
434			void Analysis::Terminate()
435			{
436			// Terminate current analysis run.
437	loizides	1.1
438	loizides	1.4	if (fState == kPristine \|\| fState == kTerminate) {
439			Error("Terminate", "Terminate in state %d is not possible! Call Init() first.",
440			Int_t(fState));
441			return;
442			}
443
444			if (fState == kRun) {
445
446			if (fUseProof) {
447			// the output list from Proof can (in principal) contain other objects
448			// besides the module output hierarchy.
449			TList* outputlist = fProof->GetOutputList();
450			TIter nextOut(outputlist);
451			while (TObject *obj = nextOut()) {
452			if (obj->InheritsFrom(TAMOutput::Class())) {
453			fOutput = dynamic_cast<TList*>(obj);
454			break;
455			}
456			}
457
458			} else {
459			fOutput = fSelector->GetModOutput();
460			}
461
462			if (fOutput && !fAnaOutput.IsNull()) {
463			TDirectory::TContext context(0); // automatically restore gDirectory
464
465			std::auto_ptr<TFile> outf(TFile::Open(fAnaOutput,"recreate","", fCompLevel));
466			if (outf.get() == 0) {
467			Error("Terminate", "Could not open file %s for output!", fAnaOutput.Data());
468	loizides	1.1	} else {
469	loizides	1.4	MDB(kAnalysis, 1)
470			Info("Terminate", "Saving output to %s!", fAnaOutput.Data());
471	loizides	1.1
472	loizides	1.4	if (fHierachy)
473			fOutput->Write(fOutput->GetName(),TObject::kSingleKey);
474			else
475			fOutput->Write();
476	loizides	1.1
477			}
478	loizides	1.4	}
479			}
480	loizides	1.1
481	loizides	1.4	delete fChain;
482			delete fSet;
483			fDeleteList->Delete();
484	loizides	1.1
485	loizides	1.4	fState = kTerminate;
486	loizides	1.1	}
487
488			//__________________________________________________________________________________________________
489			Bool_t Analysis::UploadPackages(TList *packages)
490			{
491	loizides	1.4	// Upload list of par files to the server.
492	loizides	1.1
493	loizides	1.4	MitAssert("UploadPackages", packages != 0);
494	loizides	1.1
495	loizides	1.4	for(Int_t i=0; i < packages->GetEntries(); i++) {
496	loizides	1.1
497	loizides	1.4	TObject* objstr = packages->At(i);
498			if (!objstr){
499			Error("InitProof", "Problem at package number %d!", i);
500			return kFALSE;
501			}
502	loizides	1.1
503	loizides	1.4	TString packname = objstr->GetName();
504			Int_t en = 0;
505			if (packname.EndsWith("+")) {
506			en=1;
507			packname.Resize(packname.Length()-1);
508			}
509
510			ifstream ftest(gSystem->ExpandPathName(packname.Data()),ios_base::binary);
511			if (!ftest.good()){
512			Error("InitProof", "Could not open %s for upload!", packname.Data());
513			return kFALSE;
514			}
515	loizides	1.1
516	loizides	1.4	if(fProof->UploadPackage(packname)<0) {
517			Error("UploadPackage", "Upload for %s failed!", packname.Data());
518			return kFALSE;
519			}
520	loizides	1.1
521	loizides	1.4	if (en == 1) {
522			Int_t pos=packname.Last('/')+1;
523			if (pos) packname.Remove(0,pos);
524			if(fProof->EnablePackage(packname)<0) {
525			Error("UploadPackage", "Enabling for %s failed!", packname.Data());
526			return kFALSE;
527	loizides	1.1	}
528	loizides	1.4	}
529			}
530	loizides	1.1
531	loizides	1.4	return kTRUE;
532	loizides	1.1	}