TreeMod/src/Analysis.cc

// $Id: Analysis.cc,v 1.6 2008/06/11 23:36:37 paus Exp $

#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"
#include "MitAna/TreeMod/interface/Analysis.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 fPackages;
  delete fLoaders;
  delete fDeleteList;
  delete fSelector;
  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:	1.7
Committed:	Wed Jun 18 13:23:13 2008 UTC (16 years, 10 months ago) by paus
Content type:	text/plain
Branch:	MAIN
Changes since 1.6:	+28 -31 lines
Log Message:	Basic structure of Filling framework.
#	User	Rev	Content
1	paus	1.7	// $Id: Analysis.cc,v 1.6 2008/06/11 23:36:37 paus Exp $
2	loizides	1.1
3			#include <Riostream.h>
4			#include <TFile.h>
5			#include <TList.h>
6			#include <TDSet.h>
7			#include <TChain.h>
8			#include <TObjString.h>
9			#include <TSystem.h>
10			#include <TProof.h>
11			#include <TROOT.h>
12	loizides	1.4	#include <TBrowser.h>
13	loizides	1.1	#include "MitAna/DataUtil/interface/Debug.h"
14	loizides	1.2	#include "MitAna/DataTree/interface/Names.h"
15	loizides	1.1	#include "MitAna/TAM/interface/TAMVirtualLoader.h"
16			#include "MitAna/TAM/interface/TAModule.h"
17			#include "MitAna/TAM/interface/TAMSelector.h"
18	paus	1.7	#include "MitAna/TreeMod/interface/Analysis.h"
19	loizides	1.1
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	paus	1.7	delete fPackages;
64			delete fLoaders;
65	loizides	1.4	delete fDeleteList;
66			delete fSelector;
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	paus	1.7	// Add file with given name to the list of files to be processed. Using the token "\|", you can
77			// specify an arbritray number of paths to tree files that will be concatenated as friend trees.
78	loizides	1.4
79			if (fState != kPristine) {
80			Error("AddFile", "Analysis already initialized");
81			return kFALSE;
82			}
83
84			TString pnamestr(pname);
85			TString tok("\|");
86			TObjArray *arr = pnamestr.Tokenize(tok);
87			TString msg;
88	loizides	1.1
89	loizides	1.4	for(Int_t i=0; i<arr->GetEntries(); i++){
90	loizides	1.1
91	loizides	1.4	TObjString dummy = dynamic_cast<TObjString>(arr->At(i));
92			if(!dummy) continue;
93	loizides	1.1
94	loizides	1.4	AddFile(dummy->GetName(),i);
95			if(i==0) msg=dummy->GetName();
96			else {
97			Info("AddFile", "Add file %s as friend to %s",
98			dummy->GetName(), msg.Data());
99			}
100			}
101			delete arr;
102	loizides	1.1
103	loizides	1.4	return kTRUE;
104	loizides	1.1	}
105
106	paus	1.7	//__________________________________________________________________________________________________
107	loizides	1.1	void Analysis::AddFile(const char *pname, Int_t eventlist)
108			{
109	paus	1.7	// Add file name to the event list specified by eventlist. The lists are used to hold filenames of
110			// different types of events. In case you dont want friend trees, just give no eventlist argument
111			// (default 0).
112	loizides	1.1
113	loizides	1.4	MitAssert("AddFile", pname != 0);
114	loizides	1.1
115	loizides	1.4	TList *l = 0;
116			if (eventlist >= 0 && eventlist < fNFriends) {
117	loizides	1.1
118	loizides	1.4	l = dynamic_cast<TList*>(fList->At(eventlist));
119			if (!l) {
120			Fatal("AddFile", "Requested list %d not found!", eventlist);
121			return;
122			}
123	loizides	1.1
124	loizides	1.4	} else if (eventlist == fNFriends) {
125	loizides	1.1
126	loizides	1.4	l = new TList;
127			l->SetOwner();
128			fList->Add(l);
129			fNFriends++;
130
131			} else if (eventlist < 0 \|\| eventlist > fNFriends) {
132			Error("AddFile", "Specified list %d not in [0,%d]", eventlist, fNFriends);
133			return;
134			}
135	loizides	1.1
136	loizides	1.4	if(!IsValidName(pname)) return;
137	loizides	1.1
138	loizides	1.4	l->Add(new TObjString(pname));
139	loizides	1.1
140	loizides	1.4	MDB(kAnalysis, 2)
141			Info("AddFile", "Added %s to list of files.", pname);
142	loizides	1.1	}
143
144			//__________________________________________________________________________________________________
145			void Analysis::AddFile(const TObject *oname, Int_t eventlist)
146			{
147	paus	1.7	// Add file name to the event list specified by eventlist. The lists are used to hold filenames of
148			// different types of events. In case you dont want mixing, just give no eventlist argument
149			// (default 0).
150	loizides	1.1
151	loizides	1.4	MitAssert("AddFile", oname != 0);
152	loizides	1.1
153	loizides	1.4	return AddFile(oname->GetName(), eventlist);
154	loizides	1.1	}
155
156	loizides	1.5	//________________________________________________________________________
157			Bool_t Analysis::AddFiles(const char *pname, Int_t nmax)
158			{
159	paus	1.7	// Add files from text file with given name. If nmax>0, maximum nmax files will be added.
160	loizides	1.5
161			MitAssert("AddFiles", pname != 0);
162
163			ifstream in;
164			in.open(pname);
165			if (!in) {
166			Error("AddFiles", "Can not open file with name %s", pname);
167			return kFALSE;
168			}
169
170			Int_t fc = 0;
171			while (in) {
172			TString line;
173			line.ReadLine(in);
174			cout << line << endl;
175			if (!line.EndsWith(".root"))
176			continue;
177			cout << line << endl;
178
179			if (!AddFile(line)) {
180			Error("AddFiles", "Error adding file with name %s", line.Data());
181			return kFALSE;
182			}
183
184			++fc;
185			if(nmax>0 && fc>=nmax) {
186			Info("AddFiles", "Maximal number (%d) of files added", nmax);
187			break;
188			}
189			}
190
191			return kTRUE;
192			}
193
194	loizides	1.1	//__________________________________________________________________________________________________
195			void Analysis::AddList(TList *list, Int_t eventlist)
196			{
197	paus	1.7	// Add file name to the event list specified by eventlist. The lists are used to hold filenames of
198			// different types of events. In case you dont want mixing, just give no eventlist argument
199			// (default 0).
200	loizides	1.4
201			MitAssert("AddList", list != 0);
202
203			TIter next(list);
204			while (TObject *obj = next())
205			AddFile(obj->GetName(), eventlist);
206	loizides	1.1	}
207
208			//__________________________________________________________________________________________________
209			void Analysis::AddLoader(TAMVirtualLoader *l)
210			{
211	loizides	1.4	// Add loader to the list of loaders.
212	loizides	1.1
213	loizides	1.4	fLoaders->Add(l);
214	loizides	1.1	}
215
216			//__________________________________________________________________________________________________
217			void Analysis::AddPackage(const char* name)
218			{
219	loizides	1.4	// Add package to the list of uploaded packages.
220	loizides	1.1
221	loizides	1.4	MitAssert("AddPackage", name != 0);
222			fPackages->Add(new TObjString(name));
223	loizides	1.1	}
224
225			//__________________________________________________________________________________________________
226			void Analysis::AddPackages(TList *list)
227			{
228	loizides	1.4	// Add list of packages to the list of uploaded packages.
229	loizides	1.1
230	loizides	1.4	MitAssert("AddPackage", list != 0);
231	loizides	1.1
232	loizides	1.4	TIter next(list);
233			while (TObject *obj = next()) {
234			fPackages->Add(new TObjString(obj->GetName()));
235			}
236	loizides	1.1	}
237
238			//__________________________________________________________________________________________________
239			Bool_t Analysis::Init()
240			{
241	paus	1.7	// Setup the TDSet and TChain to be used for the analysis with or without PROOF. If more than one
242			// list of file names was given, friend trees are supported.
243	loizides	1.4
244			if (fState == kRun \|\| fState == kInit) {
245			Error("Init", "Init in state %d is not possible! Call Terminate() first.",
246			Int_t(fState));
247			return kFALSE;
248			}
249
250			if (fNFriends <= 0) {
251			Error("Init", "List of friend lists is empty!");
252			return kFALSE;
253			}
254
255			if (!fSuperMod) {
256			Error("Init", "Top-level TAM module is NULL!");
257			return kFALSE;
258			}
259
260			if (fUseProof) { // first init our PROOF session
261			if (!InitProof()) return kFALSE;
262			}
263
264			// we do this here instead in Terminate() so that
265			// we can browse the output even after Terminate()
266			delete fSelector;
267			fSelector = 0;
268
269			fChain = new TChain(fTreeName);
270			fSet = new TDSet("TTree",fTreeName);
271
272			for(Int_t i=0; i<fNFriends; i++){
273
274			TList l = dynamic_cast<TList>(fList->At(i));
275			if (!l) {
276			Fatal("Init", "List %d not found!", i);
277	loizides	1.1	return kFALSE;
278	loizides	1.4	}
279
280			if (i == 0) {
281			TIter next(l);
282			while ( TObjString obj = dynamic_cast<TObjString>(next()) ) {
283			fChain->Add(obj->GetName());
284			fSet->Add(obj->GetName());
285			}
286	loizides	1.1
287	loizides	1.4	} else {
288	loizides	1.1
289	loizides	1.4	TChain *chain = new TChain(fTreeName);
290			TDSet *set = new TDSet("TTree",fTreeName);
291	loizides	1.1
292	loizides	1.4	TIter next(l);
293			while (TObjString obj = dynamic_cast<TObjString>(next())) {
294			chain->Add(obj->GetName());
295			set->Add(obj->GetName());
296	loizides	1.1	}
297
298	loizides	1.4	TString alias("TAMTREE_"); // aliases currently not used
299			alias+=i;
300	loizides	1.1
301	loizides	1.4	fChain->AddFriend(chain,alias.Data());
302			fSet->AddFriend(set,alias.Data());
303	loizides	1.1
304	loizides	1.4	fDeleteList->Add(chain);
305			fDeleteList->Add(set);
306			}
307	loizides	1.1
308	loizides	1.4	}
309	loizides	1.1
310	loizides	1.4	// if we had our default TAM plugin we would create it here
311			// TreeLoader *bl = new TreeLoader;
312			// fLoaders->Add(bl);
313			// fDeleteList->Add(bl);
314	loizides	1.1
315	loizides	1.4	if (fUseProof) {
316	loizides	1.1
317	loizides	1.4	fProof->AddInput(fSuperMod);
318			fLoaders->SetName("TAM_LOADERS");
319			fProof->AddInput(fLoaders);
320	loizides	1.1
321	loizides	1.4	} else {
322	loizides	1.1
323	loizides	1.4	// when not running Proof, we must make a selector
324			fSelector = new TAMSelector;
325			fSelector->AddInput(fSuperMod);
326			MDB(kAnalysis, 2)
327			fSelector->SetVerbosity(1);
328	loizides	1.1
329	loizides	1.4	// pass loaders to selector
330			TIter next(fLoaders);
331			while ( TAMVirtualLoader l = dynamic_cast<TAMVirtualLoader>(next()) )
332			fSelector->AddLoader(l);
333			}
334	loizides	1.1
335	loizides	1.4	fState = kInit;
336			return kTRUE;
337	loizides	1.1	}
338
339			//__________________________________________________________________________________________________
340			Bool_t Analysis::InitProof()
341			{
342	loizides	1.4	// Initialize PROOF connection.
343	loizides	1.1
344	loizides	1.4	if(fProof && fProof->IsValid())
345			return kTRUE;
346	loizides	1.1
347	loizides	1.4	delete fProof;
348	loizides	1.1
349	loizides	1.4	if (fMaster.Contains("rcf.bnl.gov")) {
350			for(Int_t i=0;i<5;i++) {
351			Warning("InitProof", "* DID YOU RUN PROOF_KINIT? %d (5) *", i);
352			gSystem->Sleep(1000);
353			}
354			}
355
356			MDB(kAnalysis, 1)
357			Info("InitProof", "Starting PROOF on master %s with config %s",
358			fMaster.Data(), fConfig.Data());
359
360			fProof = dynamic_cast<TProof*>(TProof::Open(fMaster, fConfig));
361			if (!fProof) {
362			Error("InitProof", "Could not start PROOF!");
363			return kFALSE;
364			}
365
366			MDB(kAnalysis, 3)
367			gROOT->Print();
368
369			//fProof->AddInput(new TNamed("PROOF_NewPacketizer",""));
370
371			Bool_t ret=kTRUE;
372			if (fPackages) {
373			// tell Proof what additional libraries we will need on each worker computer
374			ret = UploadPackages(fPackages);
375			}
376	loizides	1.1
377	loizides	1.4	return ret;
378	loizides	1.1	}
379
380			//__________________________________________________________________________________________________
381			void Analysis::Run()
382			{
383	loizides	1.4	// Run the analysis on the created file set.
384	loizides	1.1
385	loizides	1.4	if (fState == kPristine \|\| fState == kRun) {
386			Error("Run", "Run in state %d is not possible! Call Init() first.",
387			Int_t(fState));
388			}
389	loizides	1.1
390	loizides	1.4	if (fUseProof) {
391	loizides	1.1
392	loizides	1.4	MDB(kAnalysis, 1)
393			Info("Run", "Start processing with PROOF...");
394	loizides	1.1
395	loizides	1.5	fSet->Process("TAMSelector","",fDoNEvents);
396	loizides	1.1
397	loizides	1.4	} else {
398	loizides	1.1
399	loizides	1.4	MDB(kAnalysis, 1)
400			Info("Run", "Start processing (no PROOF)...");
401	loizides	1.1
402	loizides	1.5	fChain->Process(fSelector,"",fDoNEvents);
403	loizides	1.4	}
404	loizides	1.1
405	loizides	1.4	MDB(kAnalysis, 1)
406			Info("Run", "Processing complete!");
407	loizides	1.1
408	loizides	1.4	fState = kRun;
409	loizides	1.1	}
410
411			//__________________________________________________________________________________________________
412	loizides	1.4	Bool_t Analysis::Run(Bool_t browse)
413	loizides	1.1	{
414	loizides	1.4	// Execute analysis and open TBrowser if requested.
415	loizides	1.1
416	loizides	1.4	if (Init()) {
417			Run();
418			Terminate();
419	paus	1.7	if (browse) {
420	loizides	1.4	new TBrowser;
421			}
422			return kTRUE;
423			}
424	loizides	1.1
425	loizides	1.4	Error("Execute", "Could not initialize analysis.");
426			return kFALSE;
427			}
428	loizides	1.1
429	loizides	1.4	//__________________________________________________________________________________________________
430			void Analysis::Terminate()
431			{
432			// Terminate current analysis run.
433	loizides	1.1
434	loizides	1.4	if (fState == kPristine \|\| fState == kTerminate) {
435			Error("Terminate", "Terminate in state %d is not possible! Call Init() first.",
436			Int_t(fState));
437			return;
438			}
439
440			if (fState == kRun) {
441
442			if (fUseProof) {
443			// the output list from Proof can (in principal) contain other objects
444			// besides the module output hierarchy.
445			TList* outputlist = fProof->GetOutputList();
446			TIter nextOut(outputlist);
447			while (TObject *obj = nextOut()) {
448			if (obj->InheritsFrom(TAMOutput::Class())) {
449			fOutput = dynamic_cast<TList*>(obj);
450			break;
451			}
452			}
453
454			} else {
455			fOutput = fSelector->GetModOutput();
456			}
457
458			if (fOutput && !fAnaOutput.IsNull()) {
459			TDirectory::TContext context(0); // automatically restore gDirectory
460
461			std::auto_ptr<TFile> outf(TFile::Open(fAnaOutput,"recreate","", fCompLevel));
462			if (outf.get() == 0) {
463			Error("Terminate", "Could not open file %s for output!", fAnaOutput.Data());
464	loizides	1.1	} else {
465	loizides	1.4	MDB(kAnalysis, 1)
466			Info("Terminate", "Saving output to %s!", fAnaOutput.Data());
467	loizides	1.1
468	loizides	1.4	if (fHierachy)
469			fOutput->Write(fOutput->GetName(),TObject::kSingleKey);
470			else
471			fOutput->Write();
472	loizides	1.1
473			}
474	loizides	1.4	}
475			}
476	loizides	1.1
477	loizides	1.4	delete fChain;
478			delete fSet;
479			fDeleteList->Delete();
480	loizides	1.1
481	loizides	1.4	fState = kTerminate;
482	loizides	1.1	}
483
484			//__________________________________________________________________________________________________
485			Bool_t Analysis::UploadPackages(TList *packages)
486			{
487	loizides	1.4	// Upload list of par files to the server.
488	loizides	1.1
489	loizides	1.4	MitAssert("UploadPackages", packages != 0);
490	loizides	1.1
491	paus	1.7	for (Int_t i=0; i<packages->GetEntries(); i++) {
492	loizides	1.1
493	loizides	1.4	TObject* objstr = packages->At(i);
494	paus	1.7	if (!objstr) {
495	loizides	1.4	Error("InitProof", "Problem at package number %d!", i);
496			return kFALSE;
497			}
498	loizides	1.1
499	loizides	1.4	TString packname = objstr->GetName();
500	paus	1.7	Int_t en = 0;
501	loizides	1.4	if (packname.EndsWith("+")) {
502			en=1;
503			packname.Resize(packname.Length()-1);
504			}
505
506			ifstream ftest(gSystem->ExpandPathName(packname.Data()),ios_base::binary);
507	paus	1.7	if (!ftest.good()) {
508	loizides	1.4	Error("InitProof", "Could not open %s for upload!", packname.Data());
509			return kFALSE;
510			}
511	loizides	1.1
512	paus	1.7	if (fProof->UploadPackage(packname)<0) {
513	loizides	1.4	Error("UploadPackage", "Upload for %s failed!", packname.Data());
514			return kFALSE;
515			}
516	loizides	1.1
517	loizides	1.4	if (en == 1) {
518			Int_t pos=packname.Last('/')+1;
519	paus	1.7	if (pos)
520			packname.Remove(0,pos);
521			if (fProof->EnablePackage(packname)<0) {
522	loizides	1.4	Error("UploadPackage", "Enabling for %s failed!", packname.Data());
523			return kFALSE;
524	loizides	1.1	}
525	loizides	1.4	}
526			}
527	loizides	1.1
528	loizides	1.4	return kTRUE;
529	loizides	1.1	}