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1/**************************************************************************
2 * Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
3 * *
4 * Author: The ALICE Off-line Project. *
5 * Contributors are mentioned in the code where appropriate. *
6 * *
7 * Permission to use, copy, modify and distribute this software and its *
8 * documentation strictly for non-commercial purposes is hereby granted *
9 * without fee, provided that the above copyright notice appears in all *
10 * copies and that both the copyright notice and this permission notice *
11 * appear in the supporting documentation. The authors make no claims *
12 * about the suitability of this software for any purpose. It is *
13 * provided "as is" without express or implied warranty. *
14 **************************************************************************/
15
16/////////////////////////////////////////////////////////////////////////////////////////////////
17// //
18// AliCDBLocal //
19// access class to a DataBase in a local storage //
20// //
21/////////////////////////////////////////////////////////////////////////////////////////////////
22
23#include <TSystem.h>
24#include <TObjString.h>
25#include <TRegexp.h>
26#include <TFile.h>
27#include <TKey.h>
28
29#include "AliCDBLocal.h"
30#include "AliCDBEntry.h"
31#include "AliLog.h"
32
33ClassImp(AliCDBLocal)
34
35//_____________________________________________________________________________
36AliCDBLocal::AliCDBLocal(const char* baseDir):
37fBaseDirectory(baseDir)
38{
39// constructor
40
41 // check baseDire: trying to cd to baseDir; if it does not exist, create it
42 void* dir = gSystem->OpenDirectory(baseDir);
43 if (dir == NULL) {
44 if (gSystem->mkdir(baseDir, kTRUE)) {
45 AliError(Form("Can't open directory <%s>!", baseDir));
46 }
47
48 } else {
49 AliDebug(2,Form("Folder <%s> found",fBaseDirectory.Data()));
50 gSystem->FreeDirectory(dir);
51 }
52 fType="local";
53 fBaseFolder = fBaseDirectory;
54}
55
56//_____________________________________________________________________________
57AliCDBLocal::~AliCDBLocal() {
58// destructor
59
60}
61
62
63//_____________________________________________________________________________
64Bool_t AliCDBLocal::FilenameToId(const char* filename, AliCDBRunRange& runRange,
65 Int_t& version, Int_t& subVersion) {
66// build AliCDBId from filename numbers
67
68
69 Ssiz_t mSize;
70
71 // valid filename: Run#firstRun_#lastRun_v#version_s#subVersion.root
72 TRegexp keyPattern("^Run[0-9]+_[0-9]+_v[0-9]+_s[0-9]+.root$");
73 keyPattern.Index(filename, &mSize);
74 if (!mSize) {
75 AliDebug(2, Form("Bad filename <%s>.", filename));
76 return kFALSE;
77 }
78
79 TString idString(filename);
80 idString.Resize(idString.Length() - sizeof(".root") + 1);
81
82 TObjArray* strArray = (TObjArray*) idString.Tokenize("_");
83
84 TString firstRunString(((TObjString*) strArray->At(0))->GetString());
85 runRange.SetFirstRun(atoi(firstRunString.Data() + 3));
86 runRange.SetLastRun(atoi(((TObjString*) strArray->At(1))->GetString()));
87
88 TString verString(((TObjString*) strArray->At(2))->GetString());
89 version = atoi(verString.Data() + 1);
90
91 TString subVerString(((TObjString*) strArray->At(3))->GetString());
92 subVersion = atoi(subVerString.Data() + 1);
93
94 delete strArray;
95
96 return kTRUE;
97}
98
99
100//_____________________________________________________________________________
101Bool_t AliCDBLocal::IdToFilename(const AliCDBId& id, TString& filename) const {
102// build file name from AliCDBId data (run range, version, subVersion)
103
104 if (!id.GetAliCDBRunRange().IsValid()) {
105 AliDebug(2,Form("Invalid run range <%d, %d>.",
106 id.GetFirstRun(), id.GetLastRun()));
107 return kFALSE;
108 }
109
110 if (id.GetVersion() < 0) {
111 AliDebug(2,Form("Invalid version <%d>.", id.GetVersion()));
112 return kFALSE;
113 }
114
115 if (id.GetSubVersion() < 0) {
116 AliDebug(2,Form("Invalid subversion <%s>.", id.GetSubVersion()));
117 return kFALSE;
118 }
119
120 filename = Form("Run%d_%d_v%d_s%d.root", id.GetFirstRun(), id.GetLastRun(),
121 id.GetVersion(), id.GetSubVersion());
122
123 filename.Prepend(fBaseDirectory +'/' + id.GetPath() + '/');
124
125 return kTRUE;
126}
127
128//_____________________________________________________________________________
129Bool_t AliCDBLocal::PrepareId(AliCDBId& id) {
130// prepare id (version, subVersion) of the object that will be stored (called by PutEntry)
131
132 TString dirName = Form("%s/%s", fBaseDirectory.Data(), id.GetPath().Data());
133
134 // go to the path; if directory does not exist, create it
135 void* dirPtr = gSystem->OpenDirectory(dirName);
136 if (!dirPtr) {
137 gSystem->mkdir(dirName, kTRUE);
138 dirPtr = gSystem->OpenDirectory(dirName);
139
140 if (!dirPtr) {
141 AliError(Form("Can't create directory <%s>!",
142 dirName.Data()));
143 return kFALSE;
144 }
145 }
146
147 const char* filename;
148 AliCDBRunRange aRunRange; // the runRange got from filename
149 AliCDBRunRange lastRunRange(-1,-1); // highest runRange found
150 Int_t aVersion, aSubVersion; // the version subVersion got from filename
151 Int_t lastVersion = 0, lastSubVersion = -1; // highest version and subVersion found
152
153 if (!id.HasVersion()) { // version not specified: look for highest version & subVersion
154
155 while ((filename = gSystem->GetDirEntry(dirPtr))) { // loop on the files
156
157 TString aString(filename);
158 if (aString == "." || aString == "..") continue;
159
160 if (!FilenameToId(filename, aRunRange, aVersion,
161 aSubVersion)) {
162 AliDebug(2,Form(
163 "Bad filename <%s>! I'll skip it.",
164 filename));
165 continue;
166 }
167
168 if (!aRunRange.Overlaps(id.GetAliCDBRunRange())) continue;
169 if(aVersion < lastVersion) continue;
170 if(aVersion > lastVersion) lastSubVersion = -1;
171 if(aSubVersion < lastSubVersion) continue;
172 lastVersion = aVersion;
173 lastSubVersion = aSubVersion;
174 lastRunRange = aRunRange;
175 }
176
177 id.SetVersion(lastVersion);
178 id.SetSubVersion(lastSubVersion + 1);
179
180 } else { // version specified, look for highest subVersion only
181
182 while ((filename = gSystem->GetDirEntry(dirPtr))) { // loop on the files
183
184 TString aString(filename);
185 if (aString == "." || aString == "..") {
186 continue;
187 }
188
189 if (!FilenameToId(filename, aRunRange, aVersion,
190 aSubVersion)) {
191 AliDebug(2,Form(
192 "Bad filename <%s>!I'll skip it.",
193 filename));
194 continue;
195 }
196
197 if (aRunRange.Overlaps(id.GetAliCDBRunRange())
198 && aVersion == id.GetVersion()
199 && aSubVersion > lastSubVersion) {
200 lastSubVersion = aSubVersion;
201 lastRunRange = aRunRange;
202 }
203
204 }
205
206 id.SetSubVersion(lastSubVersion + 1);
207 }
208
209 gSystem->FreeDirectory(dirPtr);
210
211 TString lastStorage = id.GetLastStorage();
212 if(lastStorage.Contains(TString("grid"), TString::kIgnoreCase) &&
213 id.GetSubVersion() > 0 ){
214 AliError(Form("Grid to Local Storage error! local object with version v%d_s%d found:",id.GetVersion(), id.GetSubVersion()-1));
215 AliError(Form("This object has been already transferred from Grid (check v%d_s0)!",id.GetVersion()));
216 return kFALSE;
217 }
218
219 if(lastStorage.Contains(TString("new"), TString::kIgnoreCase) &&
220 id.GetSubVersion() > 0 ){
221 AliDebug(2, Form("A NEW object is being stored with version v%d_s%d",
222 id.GetVersion(),id.GetSubVersion()));
223 AliDebug(2, Form("and it will hide previously stored object with v%d_s%d!",
224 id.GetVersion(),id.GetSubVersion()-1));
225 }
226
227 if(!lastRunRange.IsAnyRange() && !(lastRunRange.IsEqual(& id.GetAliCDBRunRange())))
228 AliWarning(Form("Run range modified w.r.t. previous version (Run%d_%d_v%d_s%d)",
229 lastRunRange.GetFirstRun(), lastRunRange.GetLastRun(),
230 id.GetVersion(), id.GetSubVersion()-1));
231
232 return kTRUE;
233}
234
235//_____________________________________________________________________________
236Bool_t AliCDBLocal::GetId(const AliCDBId& query, AliCDBId& result) {
237// look for filename matching query (called by GetEntry)
238
239 TString dirName = Form("%s/%s", fBaseDirectory.Data(), query.GetPath().Data());
240
241 void* dirPtr = gSystem->OpenDirectory(dirName);
242 if (!dirPtr) {
243 AliDebug(2,Form("Directory <%s> not found", (query.GetPath()).Data()));
244 AliDebug(2,Form("in DB folder %s", fBaseDirectory.Data()));
245 return kFALSE;
246 }
247
248 const char* filename;
249
250 AliCDBRunRange aRunRange; // the runRange got from filename
251 Int_t aVersion, aSubVersion; // the version and subVersion got from filename
252
253 if (!query.HasVersion()) { // neither version and subversion specified -> look for highest version and subVersion
254
255 while ((filename = gSystem->GetDirEntry(dirPtr))) { // loop on files
256
257 TString aString(filename);
258 if (aString == "." || aString == "..") continue;
259
260 if (!FilenameToId(filename, aRunRange, aVersion, aSubVersion)) continue;
261 // aRunRange, aVersion, aSubVersion filled from filename
262
263 if (!aRunRange.Comprises(query.GetAliCDBRunRange())) continue;
264 // aRunRange contains requested run!
265
266 if (result.GetVersion() < aVersion) {
267 result.SetVersion(aVersion);
268 result.SetSubVersion(aSubVersion);
269
270 result.SetFirstRun(
271 aRunRange.GetFirstRun());
272 result.SetLastRun(
273 aRunRange.GetLastRun());
274
275 } else if (result.GetVersion() == aVersion
276 && result.GetSubVersion()
277 < aSubVersion) {
278
279 result.SetSubVersion(aSubVersion);
280
281 result.SetFirstRun(
282 aRunRange.GetFirstRun());
283 result.SetLastRun(
284 aRunRange.GetLastRun());
285 } else if (result.GetVersion() == aVersion
286 && result.GetSubVersion() == aSubVersion){
287 AliDebug(2,Form("More than one object valid for run %d, version %d_%d!",
288 query.GetFirstRun(), aVersion, aSubVersion));
289 gSystem->FreeDirectory(dirPtr);
290 return kFALSE;
291 }
292 }
293
294 } else if (!query.HasSubVersion()) { // version specified but not subversion -> look for highest subVersion
295
296 result.SetVersion(query.GetVersion());
297
298 while ((filename = gSystem->GetDirEntry(dirPtr))) { // loop on files
299
300 TString aString(filename);
301 if (aString == "." || aString == "..") continue;
302
303 if (!FilenameToId(filename, aRunRange, aVersion, aSubVersion)) continue;
304 // aRunRange, aVersion, aSubVersion filled from filename
305
306 if (!aRunRange.Comprises(query.GetAliCDBRunRange())) continue;
307 // aRunRange contains requested run!
308
309 if(query.GetVersion() != aVersion) continue;
310 // aVersion is requested version!
311
312 if(result.GetSubVersion() == aSubVersion){
313 AliDebug(2,Form("More than one object valid for run %d, version %d_%d!",
314 query.GetFirstRun(), aVersion, aSubVersion));
315 gSystem->FreeDirectory(dirPtr);
316 return kFALSE;
317 }
318 if( result.GetSubVersion() < aSubVersion) {
319
320 result.SetSubVersion(aSubVersion);
321
322 result.SetFirstRun(
323 aRunRange.GetFirstRun());
324 result.SetLastRun(
325 aRunRange.GetLastRun());
326 }
327 }
328
329 } else { // both version and subversion specified
330
331 while ((filename = gSystem->GetDirEntry(dirPtr))) { // loop on files
332
333 TString aString(filename);
334 if (aString == "." || aString == "..") continue;
335
336 if (!FilenameToId(filename, aRunRange, aVersion, aSubVersion)) continue;
337 // aRunRange, aVersion, aSubVersion filled from filename
338
339 if (!aRunRange.Comprises(query.GetAliCDBRunRange())) continue;
340 // aRunRange contains requested run!
341
342 if(query.GetVersion() != aVersion || query.GetSubVersion() != aSubVersion) continue;
343 // aVersion and aSubVersion are requested version and subVersion!
344
345 if(result.GetVersion() == aVersion && result.GetSubVersion() == aSubVersion){
346 AliDebug(2,Form("More than one object valid for run %d, version %d_%d!",
347 query.GetFirstRun(), aVersion, aSubVersion));
348 gSystem->FreeDirectory(dirPtr);
349 return kFALSE;
350 }
351 result.SetVersion(aVersion);
352 result.SetSubVersion(aSubVersion);
353 result.SetFirstRun(aRunRange.GetFirstRun());
354 result.SetLastRun(aRunRange.GetLastRun());
355
356 }
357 }
358
359 gSystem->FreeDirectory(dirPtr);
360
361 return kTRUE;
362}
363
364//_____________________________________________________________________________
365AliCDBEntry* AliCDBLocal::GetEntry(const AliCDBId& queryId) {
366// get AliCDBEntry from the database
367
368 AliCDBId dataId(queryId.GetAliCDBPath(), -1, -1, -1, -1);
369 Bool_t result;
370
371 // look for a filename matching query requests (path, runRange, version, subVersion)
372 if (!queryId.HasVersion()) {
373 // if version is not specified, first check the selection criteria list
374 AliCDBId selectedId(queryId);
375 GetSelection(&selectedId);
376 result = GetId(selectedId, dataId);
377 } else {
378 result = GetId(queryId, dataId);
379 }
380
381 if (!result || !dataId.IsSpecified()) return NULL;
382
383 TString filename;
384 if (!IdToFilename(dataId, filename)) {
385
386 AliDebug(2,Form("Bad data ID encountered! Subnormal error!"));
387 return NULL;
388 }
389
390 TFile file(filename, "READ"); // open file
391 if (!file.IsOpen()) {
392 AliDebug(2,Form("Can't open file <%s>!", filename.Data()));
393 return NULL;
394 }
395
396 // get the only AliCDBEntry object from the file
397 // the object in the file is an AliCDBEntry entry named "AliCDBEntry"
398
399 AliCDBEntry* anEntry = dynamic_cast<AliCDBEntry*> (file.Get("AliCDBEntry"));
400 if (!anEntry) {
401 AliDebug(2,Form("Bad storage data: No AliCDBEntry in file!"));
402 file.Close();
403 return NULL;
404 }
405
406 AliCDBId entryId = anEntry->GetId();
407
408 // The object's Id are not reset during storage
409 // If object's Id runRange or version do not match with filename,
410 // it means that someone renamed file by hand. In this case a warning msg is issued.
411
412 anEntry-> SetLastStorage("local");
413
414 if(!entryId.IsEqual(&dataId)){
415 AliWarning(Form("Mismatch between file name and object's Id!"));
416 AliWarning(Form("File name: %s", dataId.ToString().Data()));
417 AliWarning(Form("Object's Id: %s", entryId.ToString().Data()));
418 }
419
420 // close file, return retieved entry
421 file.Close();
422 return anEntry;
423}
424
425//_____________________________________________________________________________
426void AliCDBLocal::GetEntriesForLevel0(const char* level0,
427 const AliCDBId& queryId, TList* result) {
428// multiple request (AliCDBStorage::GetAll)
429
430 TString level0Dir = Form("%s/%s", fBaseDirectory.Data(), level0);
431
432 void* level0DirPtr = gSystem->OpenDirectory(level0Dir);
433 if (!level0DirPtr) {
434 AliDebug(2,Form("Can't open level0 directory <%s>!",
435 level0Dir.Data()));
436 return;
437 }
438
439 const char* level1;
440 while ((level1 = gSystem->GetDirEntry(level0DirPtr))) {
441
442 TString level1Str(level1);
443 if (level1Str == "." || level1Str == "..") {
444 continue;
445 }
446
447 if (queryId.GetAliCDBPath().Level1Comprises(level1)) {
448 GetEntriesForLevel1(level0, level1, queryId, result);
449 }
450 }
451
452 gSystem->FreeDirectory(level0DirPtr);
453}
454
455//_____________________________________________________________________________
456void AliCDBLocal::GetEntriesForLevel1(const char* level0, const char* level1,
457 const AliCDBId& queryId, TList* result) {
458// multiple request (AliCDBStorage::GetAll)
459
460 TString level1Dir = Form("%s/%s/%s", fBaseDirectory.Data(), level0,level1);
461
462 void* level1DirPtr = gSystem->OpenDirectory(level1Dir);
463 if (!level1DirPtr) {
464 AliDebug(2,Form("Can't open level1 directory <%s>!",
465 level1Dir.Data()));
466 return;
467 }
468
469 const char* level2;
470 while ((level2 = gSystem->GetDirEntry(level1DirPtr))) {
471
472 TString level2Str(level2);
473 if (level2Str == "." || level2Str == "..") {
474 continue;
475 }
476
477 if (queryId.GetAliCDBPath().Level2Comprises(level2)) {
478
479 AliCDBPath entryPath(level0, level1, level2);
480 AliCDBId entryId(entryPath, queryId.GetAliCDBRunRange(),
481 queryId.GetVersion(), queryId.GetSubVersion());
482
483 AliCDBEntry* anEntry = GetEntry(entryId);
484 if (anEntry) {
485 result->Add(anEntry);
486 }
487 }
488 }
489
490 gSystem->FreeDirectory(level1DirPtr);
491}
492
493//_____________________________________________________________________________
494TList* AliCDBLocal::GetEntries(const AliCDBId& queryId) {
495// multiple request (AliCDBStorage::GetAll)
496
497 void* storageDirPtr = gSystem->OpenDirectory(fBaseDirectory);
498 if (!storageDirPtr) {
499 AliDebug(2,Form("Can't open storage directory <%s>",
500 fBaseDirectory.Data()));
501 return NULL;
502 }
503
504 TList* result = new TList();
505 result->SetOwner();
506
507 const char* level0;
508 while ((level0 = gSystem->GetDirEntry(storageDirPtr))) {
509
510 TString level0Str(level0);
511 if (level0Str == "." || level0Str == "..") {
512 continue;
513 }
514
515 if (queryId.GetAliCDBPath().Level0Comprises(level0)) {
516 GetEntriesForLevel0(level0, queryId, result);
517 }
518 }
519
520 gSystem->FreeDirectory(storageDirPtr);
521
522 return result;
523}
524
525//_____________________________________________________________________________
526Bool_t AliCDBLocal::PutEntry(AliCDBEntry* entry) {
527// put an AliCDBEntry object into the database
528
529 AliCDBId& id = entry->GetId();
530
531 // set version and subVersion for the entry to be stored
532 if (!PrepareId(id)) return kFALSE;
533
534
535 // build filename from entry's id
536 TString filename="";
537 if (!IdToFilename(id, filename)) {
538
539 AliDebug(2,Form("Bad ID encountered! Subnormal error!"));
540 return kFALSE;
541 }
542
543 // open file
544 TFile file(filename, "CREATE");
545 if (!file.IsOpen()) {
546 AliError(Form("Can't open file <%s>!", filename.Data()));
547 return kFALSE;
548 }
549
550 entry->SetVersion(id.GetVersion());
551 entry->SetSubVersion(id.GetSubVersion());
552
553 // write object (key name: "AliCDBEntry")
554 Bool_t result = file.WriteTObject(entry, "AliCDBEntry");
555 if (!result) AliDebug(2,Form("Can't write entry to file: %s", filename.Data()));
556
557 file.Close();
558 if(result) {
559 if(!(id.GetPath().Contains("SHUTTLE/STATUS")))
560 AliInfo(Form("CDB object stored into file %s",filename.Data()));
561 }
562
563 return result;
564}
565
566//_____________________________________________________________________________
567TList* AliCDBLocal::GetIdListFromFile(const char* fileName){
568
569 TString fullFileName(fileName);
570 fullFileName.Prepend(fBaseDirectory+'/');
571 TFile *file = TFile::Open(fullFileName);
572 if (!file) {
573 AliError(Form("Can't open selection file <%s>!", fullFileName.Data()));
574 return NULL;
575 }
576 file->cd();
577
578 TList *list = new TList();
579 list->SetOwner();
580 int i=0;
581 TString keycycle;
582
583 AliCDBId *id;
584 while(1){
585 i++;
586 keycycle = "AliCDBId;";
587 keycycle+=i;
588
589 id = (AliCDBId*) file->Get(keycycle);
590 if(!id) break;
591 list->AddFirst(id);
592 }
593 file->Close(); delete file; file=0;
594 return list;
595}
596
597//_____________________________________________________________________________
598Bool_t AliCDBLocal::Contains(const char* path) const{
599// check for path in storage's fBaseDirectory
600
601 TString dirName = Form("%s/%s", fBaseDirectory.Data(), path);
602 Bool_t result=kFALSE;
603
604 void* dirPtr = gSystem->OpenDirectory(dirName);
605 if (dirPtr) result=kTRUE;
606 gSystem->FreeDirectory(dirPtr);
607
608 return result;
609}
610
611//_____________________________________________________________________________
612void AliCDBLocal::QueryValidFiles()
613{
614// Query the CDB for files valid for AliCDBStorage::fRun
615// fills list fValidFileIds with AliCDBId objects created from file name
616
617 if(fVersion != -1) AliWarning ("Version parameter is not used by local storage query!");
618 if(fMetaDataFilter) {
619 AliWarning ("CDB meta data parameters are not used by local storage query!");
620 delete fMetaDataFilter; fMetaDataFilter=0;
621 }
622
623 void* storageDirPtr = gSystem->OpenDirectory(fBaseDirectory);
624
625 const char* level0;
626 while ((level0 = gSystem->GetDirEntry(storageDirPtr))) {
627
628 TString level0Str(level0);
629 if (level0Str == "." || level0Str == "..") {
630 continue;
631 }
632
633 if (fPathFilter.Level0Comprises(level0)) {
634 TString level0Dir = Form("%s/%s",fBaseDirectory.Data(),level0);
635 void* level0DirPtr = gSystem->OpenDirectory(level0Dir);
636 const char* level1;
637 while ((level1 = gSystem->GetDirEntry(level0DirPtr))) {
638
639 TString level1Str(level1);
640 if (level1Str == "." || level1Str == "..") {
641 continue;
642 }
643
644 if (fPathFilter.Level1Comprises(level1)) {
645 TString level1Dir = Form("%s/%s/%s",
646 fBaseDirectory.Data(),level0,level1);
647
648 void* level1DirPtr = gSystem->OpenDirectory(level1Dir);
649 const char* level2;
650 while ((level2 = gSystem->GetDirEntry(level1DirPtr))) {
651
652 TString level2Str(level2);
653 if (level2Str == "." || level2Str == "..") {
654 continue;
655 }
656
657 if (fPathFilter.Level2Comprises(level2)) {
658 TString dirName = Form("%s/%s/%s/%s",
659 fBaseDirectory.Data(),level0,level1,level2);
660
661 void* dirPtr = gSystem->OpenDirectory(dirName);
662
663 const char* filename;
664
665 AliCDBRunRange aRunRange; // the runRange got from filename
666 Int_t aVersion, aSubVersion; // the version and subVersion got from filename
667
668 while ((filename = gSystem->GetDirEntry(dirPtr))) { // loop on files
669
670 TString aString(filename);
671 if (aString == "." || aString == "..") continue;
672
673 if (!FilenameToId(filename, aRunRange, aVersion, aSubVersion)) continue;
674 AliCDBRunRange runrg(fRun,fRun);
675 if (!aRunRange.Comprises(runrg)) continue;
676 // aRunRange contains requested run!
677 AliCDBPath validPath(level0,level1,level2);
678 AliCDBId validId(validPath,aRunRange,aVersion,aSubVersion);
679 fValidFileIds.AddLast(validId.Clone());
680 }
681 gSystem->FreeDirectory(dirPtr);
682 }
683 }
684 gSystem->FreeDirectory(level1DirPtr);
685 }
686 }
687 gSystem->FreeDirectory(level0DirPtr);
688 }
689 }
690 gSystem->FreeDirectory(storageDirPtr);
691
692}
693
694//_____________________________________________________________________________
695Int_t AliCDBLocal::GetLatestVersion(const char* path, Int_t run){
696// get last version found in the database valid for run and path
697
698 AliCDBPath aCDBPath(path);
699 if(!aCDBPath.IsValid() || aCDBPath.IsWildcard()) {
700 AliError(Form("Invalid path in request: %s", path));
701 return -1;
702 }
703
704 AliCDBId query(path, run, run, -1, -1);
705 AliCDBId dataId;
706
707 GetId(query,dataId);
708
709 return dataId.GetVersion();
710
711}
712
713//_____________________________________________________________________________
714Int_t AliCDBLocal::GetLatestSubVersion(const char* path, Int_t run, Int_t version){
715// get last version found in the database valid for run and path
716
717 AliCDBPath aCDBPath(path);
718 if(!aCDBPath.IsValid() || aCDBPath.IsWildcard()) {
719 AliError(Form("Invalid path in request: %s", path));
720 return -1;
721 }
722
723 AliCDBId query(path, run, run, version, -1);
724 AliCDBId dataId;
725
726 GetId(query,dataId);
727
728 return dataId.GetSubVersion();
729
730}
731
732/////////////////////////////////////////////////////////////////////////////////////////////////
733// //
734// AliCDBLocal factory //
735// //
736/////////////////////////////////////////////////////////////////////////////////////////////////
737
738ClassImp(AliCDBLocalFactory)
739
740//_____________________________________________________________________________
741Bool_t AliCDBLocalFactory::Validate(const char* dbString) {
742// check if the string is valid local URI
743
744 TRegexp dbPattern("^local://.+$");
745
746 return TString(dbString).Contains(dbPattern);
747}
748
749//_____________________________________________________________________________
750AliCDBParam* AliCDBLocalFactory::CreateParameter(const char* dbString) {
751// create AliCDBLocalParam class from the URI string
752
753 if (!Validate(dbString)) {
754 return NULL;
755 }
756
757 TString pathname(dbString + sizeof("local://") - 1);
758
759 gSystem->ExpandPathName(pathname);
760
761 if (pathname[0] != '/') {
762 pathname.Prepend(TString(gSystem->WorkingDirectory()) + '/');
763 }
764
765 return new AliCDBLocalParam(pathname);
766}
767
768//_____________________________________________________________________________
769AliCDBStorage* AliCDBLocalFactory::Create(const AliCDBParam* param) {
770// create AliCDBLocal storage instance from parameters
771
772 if (AliCDBLocalParam::Class() == param->IsA()) {
773
774 const AliCDBLocalParam* localParam =
775 (const AliCDBLocalParam*) param;
776
777 return new AliCDBLocal(localParam->GetPath());
778 }
779
780 return NULL;
781}
782
783/////////////////////////////////////////////////////////////////////////////////////////////////
784// //
785// AliCDBLocal Parameter class // //
786// //
787/////////////////////////////////////////////////////////////////////////////////////////////////
788
789ClassImp(AliCDBLocalParam)
790
791//_____________________________________________________________________________
792AliCDBLocalParam::AliCDBLocalParam():
793 AliCDBParam(),
794 fDBPath()
795 {
796// default constructor
797
798}
799
800//_____________________________________________________________________________
801AliCDBLocalParam::AliCDBLocalParam(const char* dbPath):
802 AliCDBParam(),
803 fDBPath(dbPath)
804{
805// constructor
806
807 SetType("local");
808 SetURI(TString("local://") + dbPath);
809}
810
811//_____________________________________________________________________________
812AliCDBLocalParam::~AliCDBLocalParam() {
813// destructor
814
815}
816
817//_____________________________________________________________________________
818AliCDBParam* AliCDBLocalParam::CloneParam() const {
819// clone parameter
820
821 return new AliCDBLocalParam(fDBPath);
822}
823
824//_____________________________________________________________________________
825ULong_t AliCDBLocalParam::Hash() const {
826// return Hash function
827
828 return fDBPath.Hash();
829}
830
831//_____________________________________________________________________________
832Bool_t AliCDBLocalParam::IsEqual(const TObject* obj) const {
833// check if this object is equal to AliCDBParam obj
834
835 if (this == obj) {
836 return kTRUE;
837 }
838
839 if (AliCDBLocalParam::Class() != obj->IsA()) {
840 return kFALSE;
841 }
842
843 AliCDBLocalParam* other = (AliCDBLocalParam*) obj;
844
845 return fDBPath == other->fDBPath;
846}
847