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root/cvsroot/UserCode/MitAna/TreeMod/src/Analysis.cc
Revision: 1.2
Committed: Tue Jun 3 09:58:32 2008 UTC (16 years, 11 months ago) by loizides
Content type: text/plain
Branch: MAIN
Changes since 1.1: +4 -3 lines
Log Message:
Updated class docu and set meaningful default params.

File Contents

# Content
1 // $Id: Analysis.cc,v 1.1 2008/05/27 19:50:16 loizides Exp $
2
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 #include "MitAna/DataUtil/interface/Debug.h"
14 #include "MitAna/DataTree/interface/Names.h"
15 #include "MitAna/TAM/interface/TAMVirtualLoader.h"
16 #include "MitAna/TAM/interface/TAModule.h"
17 #include "MitAna/TAM/interface/TAMSelector.h"
18
19 ClassImp(mithep::Analysis)
20
21 using namespace mithep;
22
23 //__________________________________________________________________________________________________
24 Analysis::Analysis(Bool_t up) :
25 fUseProof(up),
26 fHierachy(kTRUE),
27 fState(kPristine),
28 fNFriends(0),
29 fList(new TList),
30 fOutput(0),
31 fPackages(new TList),
32 fLoaders(new TList),
33 fSuperMod(0),
34 fSelector(0),
35 fChain(0),
36 fSet(0),
37 fDeleteList(new TList),
38 fTreeName(Names::mittree),
39 fCompLevel(2),
40 fProof(0)
41 {
42 // Default constructor.
43
44 fList->SetOwner();
45 fDeleteList->SetOwner();
46
47 /* default packages for PROOF upload */
48 fPackages->SetOwner();
49 // nothing to be done since we do not use par files (yet?)
50 }
51
52 //__________________________________________________________________________________________________
53 Analysis::~Analysis()
54 {
55 // Destructor.
56
57 if (fState == kInit || fState == kRun)
58 Terminate();
59
60 delete fList;
61 delete fDeleteList;
62 delete fLoaders;
63 delete fSelector;
64 delete fPackages;
65 fOutput = 0; // owned by TAM
66 fSuperMod = 0; // owned by user
67
68 delete fProof;
69 }
70
71 //__________________________________________________________________________________________________
72 Bool_t Analysis::AddFile(const char *pname)
73 {
74 // Add file with given name to the list of files to be processed.
75 // Using the token "|", you can specify an arbritray number
76 // of paths to tree files that will be concatenated as friend
77 // trees.
78
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
89 for(Int_t i=0; i<arr->GetEntries(); i++){
90
91 TObjString *dummy = dynamic_cast<TObjString*>(arr->At(i));
92 if(!dummy) continue;
93
94 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
103 return kTRUE;
104 }
105
106 //________________________________________________________________________
107 void Analysis::AddFile(const char *pname, Int_t eventlist)
108 {
109 // Add file name to the event list specified by eventlist. The lists
110 // are used to hold filenames of different types of events. In case
111 // you dont want friend trees, just give no eventlist argument (default 0).
112
113 MitAssert("AddFile", pname != 0);
114
115 TList *l = 0;
116 if (eventlist >= 0 && eventlist < fNFriends) {
117
118 l = dynamic_cast<TList*>(fList->At(eventlist));
119 if (!l) {
120 Fatal("AddFile", "Requested list %d not found!", eventlist);
121 return;
122 }
123
124 } else if (eventlist == fNFriends) {
125
126 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
136 if(!IsValidName(pname)) return;
137
138 l->Add(new TObjString(pname));
139
140 MDB(kAnalysis, 2)
141 Info("AddFile", "Added %s to list of files.", pname);
142 }
143
144 //__________________________________________________________________________________________________
145 void Analysis::AddFile(const TObject *oname, Int_t eventlist)
146 {
147 // Add file name to the event list specified by eventlist. The lists
148 // are used to hold filenames of different types of events. In case
149 // you dont want mixing, just give no eventlist argument (default 0).
150
151 MitAssert("AddFile", oname != 0);
152
153 return AddFile(oname->GetName(), eventlist);
154 }
155
156 //__________________________________________________________________________________________________
157 void Analysis::AddList(TList *list, Int_t eventlist)
158 {
159 // Add file name to the event list specified by eventlist. The lists
160 // are used to hold filenames of different types of events. In case
161 // you dont want mixing, just give no eventlist argument (default 0).
162
163 MitAssert("AddList", list != 0);
164
165 TIter next(list);
166 while (TObject *obj = next())
167 AddFile(obj->GetName(), eventlist);
168 }
169
170 //__________________________________________________________________________________________________
171 void Analysis::AddLoader(TAMVirtualLoader *l)
172 {
173 // Add loader to the list of loaders.
174
175 fLoaders->Add(l);
176 }
177
178 //__________________________________________________________________________________________________
179 void Analysis::AddPackage(const char* name)
180 {
181 // Add package to the list of uploaded packages.
182
183 MitAssert("AddPackage", name != 0);
184 fPackages->Add(new TObjString(name));
185 }
186
187 //__________________________________________________________________________________________________
188 void Analysis::AddPackages(TList *list)
189 {
190 // Add list of packages to the list of uploaded packages.
191
192 MitAssert("AddPackage", list != 0);
193
194 TIter next(list);
195 while (TObject *obj = next()) {
196 fPackages->Add(new TObjString(obj->GetName()));
197 }
198 }
199
200 //__________________________________________________________________________________________________
201 Bool_t Analysis::Init()
202 {
203 // Setup the TDSet and TChain to be used for the analysis
204 // with or without PROOF. If more than one list of
205 // file names was given, friend trees are supported.
206
207 if (fState == kRun || fState == kInit) {
208 Error("Init", "Init in state %d is not possible! Call Terminate() first.",
209 Int_t(fState));
210 return kFALSE;
211 }
212
213 if (fNFriends <= 0) {
214 Error("Init", "List of friend lists is empty!");
215 return kFALSE;
216 }
217
218 if (!fSuperMod) {
219 Error("Init", "Top-level TAM module is NULL!");
220 return kFALSE;
221 }
222
223 if (fUseProof) { // first init our PROOF session
224 if (!InitProof()) return kFALSE;
225 }
226
227 // we do this here instead in Terminate() so that
228 // we can browse the output even after Terminate()
229 delete fSelector;
230 fSelector = 0;
231
232 fChain = new TChain(fTreeName);
233 fSet = new TDSet("TTree",fTreeName);
234
235 for(Int_t i=0; i<fNFriends; i++){
236
237 TList *l = dynamic_cast<TList*>(fList->At(i));
238 if (!l) {
239 Fatal("Init", "List %d not found!", i);
240 return kFALSE;
241 }
242
243 if (i == 0) {
244
245 TIter next(l);
246 while ( TObjString *obj = dynamic_cast<TObjString*>(next()) ) {
247 fChain->Add(obj->GetName());
248 fSet->Add(obj->GetName());
249 }
250
251 } else {
252
253 TChain *chain = new TChain(fTreeName);
254 TDSet *set = new TDSet("TTree",fTreeName);
255
256 TIter next(l);
257 while (TObjString *obj = dynamic_cast<TObjString*>(next())) {
258 chain->Add(obj->GetName());
259 set->Add(obj->GetName());
260 }
261
262 TString alias("TAMTREE_"); // aliases currently not used
263 alias+=i;
264
265 fChain->AddFriend(chain,alias.Data());
266 fSet->AddFriend(set,alias.Data());
267
268 fDeleteList->Add(chain);
269 fDeleteList->Add(set);
270 }
271
272 }
273
274 // if we had our default TAM plugin we would create it here
275 // TreeLoader *bl = new TreeLoader;
276 // fLoaders->Add(bl);
277 // fDeleteList->Add(bl);
278
279 if (fUseProof) {
280
281 fProof->AddInput(fSuperMod);
282 fLoaders->SetName("TAM_LOADERS");
283 fProof->AddInput(fLoaders);
284
285 } else {
286
287 // when not running Proof, we must make a selector
288 fSelector = new TAMSelector;
289 fSelector->AddInput(fSuperMod);
290 MDB(kAnalysis, 2)
291 fSelector->SetVerbosity(1);
292
293 // pass loaders to selector
294 TIter next(fLoaders);
295 while ( TAMVirtualLoader *l = dynamic_cast<TAMVirtualLoader*>(next()) )
296 fSelector->AddLoader(l);
297 }
298
299 fState = kInit;
300 return kTRUE;
301 }
302
303 //__________________________________________________________________________________________________
304 Bool_t Analysis::InitProof()
305 {
306 // Initialize PROOF connection.
307
308 if(fProof && fProof->IsValid())
309 return kTRUE;
310
311 delete fProof;
312
313 if (fMaster.Contains("rcf.bnl.gov")) {
314 for(Int_t i=0;i<5;i++) {
315 Warning("InitProof", "*** DID YOU RUN PROOF_KINIT? %d (5) ***", i);
316 gSystem->Sleep(1000);
317 }
318 }
319
320 MDB(kAnalysis, 1)
321 Info("InitProof", "Starting PROOF on master %s with config %s",
322 fMaster.Data(), fConfig.Data());
323
324 fProof = dynamic_cast<TProof*>(TProof::Open(fMaster, fConfig));
325 if (!fProof) {
326 Error("InitProof", "Could not start PROOF!");
327 return kFALSE;
328 }
329
330 MDB(kAnalysis, 3)
331 gROOT->Print();
332
333 //fProof->AddInput(new TNamed("PROOF_NewPacketizer",""));
334
335 Bool_t ret=kTRUE;
336 if (fPackages) {
337 // tell Proof what additional libraries we will need on each worker computer
338 ret = UploadPackages(fPackages);
339 }
340
341 return ret;
342 }
343
344 //__________________________________________________________________________________________________
345 void Analysis::Run()
346 {
347 // Run the analysis on the created file set.
348
349 if (fState == kPristine || fState == kRun) {
350 Error("Run", "Run in state %d is not possible! Call Init() first.",
351 Int_t(fState));
352 }
353
354 if (fUseProof) {
355
356 MDB(kAnalysis, 1)
357 Info("Run", "Start processing with PROOF...");
358
359 fSet->Process("TAMSelector");
360
361 } else {
362
363 MDB(kAnalysis, 1)
364 Info("Run", "Start processing (no PROOF)...");
365
366 fChain->Process(fSelector);
367 }
368
369 MDB(kAnalysis, 1)
370 Info("Run", "Processing complete!");
371
372 fState = kRun;
373 }
374
375 //__________________________________________________________________________________________________
376 void Analysis::Terminate()
377 {
378 // Terminate current analysis run.
379
380 if (fState == kPristine || fState == kTerminate) {
381 Error("Terminate", "Terminate in state %d is not possible! Call Init() first.",
382 Int_t(fState));
383 return;
384 }
385
386 if (fState == kRun) {
387
388 if (fUseProof) {
389 // the output list from Proof can (in principal) contain other objects
390 // besides the module output hierarchy.
391 TList* outputlist = fProof->GetOutputList();
392 TIter nextOut(outputlist);
393 while (TObject *obj = nextOut()) {
394 if (obj->InheritsFrom(TAMOutput::Class())) {
395 fOutput = dynamic_cast<TList*>(obj);
396 break;
397 }
398 }
399
400 } else {
401 fOutput = fSelector->GetModOutput();
402 }
403
404 if (fOutput && !fAnaOutput.IsNull()) {
405 TDirectory::TContext context(0); // automatically restore gDirectory
406
407 std::auto_ptr<TFile> outf(TFile::Open(fAnaOutput,"recreate","", fCompLevel));
408 if (outf.get() == 0) {
409 Error("Terminate", "Could not open file %s for output!", fAnaOutput.Data());
410 } else {
411 MDB(kAnalysis, 1)
412 Info("Terminate", "Saving output to %s!", fAnaOutput.Data());
413
414 if (fHierachy)
415 fOutput->Write(fOutput->GetName(),TObject::kSingleKey);
416 else
417 fOutput->Write();
418
419 }
420 }
421 }
422
423 delete fChain;
424 delete fSet;
425 fDeleteList->Delete();
426
427 fState = kTerminate;
428 }
429
430 //__________________________________________________________________________________________________
431 Bool_t Analysis::UploadPackages(TList *packages)
432 {
433 // Upload list of par files to the server.
434
435 MitAssert("UploadPackages", packages != 0);
436
437 for(Int_t i=0; i < packages->GetEntries(); i++) {
438
439 TObject* objstr = packages->At(i);
440 if (!objstr){
441 Error("InitProof", "Problem at package number %d!", i);
442 return kFALSE;
443 }
444
445 TString packname = objstr->GetName();
446 Int_t en = 0;
447 if (packname.EndsWith("+")) {
448 en=1;
449 packname.Resize(packname.Length()-1);
450 }
451
452 ifstream ftest(gSystem->ExpandPathName(packname.Data()),ios_base::binary);
453 if (!ftest.good()){
454 Error("InitProof", "Could not open %s for upload!", packname.Data());
455 return kFALSE;
456 }
457
458 if(fProof->UploadPackage(packname)<0) {
459 Error("UploadPackage", "Upload for %s failed!", packname.Data());
460 return kFALSE;
461 }
462
463 if (en == 1) {
464 Int_t pos=packname.Last('/')+1;
465 if (pos) packname.Remove(0,pos);
466 if(fProof->EnablePackage(packname)<0) {
467 Error("UploadPackage", "Enabling for %s failed!", packname.Data());
468 return kFALSE;
469 }
470 }
471 }
472
473 return kTRUE;
474 }