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9e1ceb13 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// AliCDBGrid //
19// access class to a DataBase in an AliEn storage //
20// //
21/////////////////////////////////////////////////////////////////////////////////////////////////
22
23
24#include <TGrid.h>
25#include <TGridResult.h>
26#include <TFile.h>
27#include <TKey.h>
28#include <TROOT.h>
29#include <TSystem.h>
30#include <TObjArray.h>
31#include <TObjString.h>
32#include <TRegexp.h>
33
34#include "AliLog.h"
fdf65bb5 35#include "AliCDBEntry.h"
9e1ceb13 36#include "AliCDBGrid.h"
37
38
39ClassImp(AliCDBGrid)
40
41//_____________________________________________________________________________
b05400be 42AliCDBGrid::AliCDBGrid(const char *gridUrl, const char *user, const char *dbFolder, const char *se) :
9e1ceb13 43AliCDBStorage(),
b05400be 44fGridUrl(gridUrl),
9e1ceb13 45fUser(user),
b05400be 46fDBFolder(dbFolder),
9e1ceb13 47fSE(se)
48{
49// constructor //
50
9e1ceb13 51 // if the same Grid is alreay active, skip connection
b05400be 52 if (!gGrid || fGridUrl != gGrid->GridUrl()
53 || fUser != gGrid->GetUser()) {
9e1ceb13 54 // connection to the Grid
b05400be 55 TGrid::Connect(fGridUrl.Data(),fUser.Data());
9e1ceb13 56 }
57
58 if(!gGrid) {
59 AliError("Connection failed!");
60 return;
61 }
62
63 TString initDir(gGrid->Pwd(0));
b05400be 64 if (fDBFolder[0] != '/') {
65 fDBFolder.Prepend(initDir);
9e1ceb13 66 }
67
68 // check DBFolder: trying to cd to DBFolder; if it does not exist, create it
b05400be 69 if(!gGrid->Cd(fDBFolder.Data(),0)){
70 AliDebug(2,Form("Creating new folder <%s> ...",fDBFolder.Data()));
71 if(!gGrid->Mkdir(fDBFolder.Data(),"",0)){
72 AliError(Form("Cannot create folder <%s> !",fDBFolder.Data()));
9e1ceb13 73 }
74 } else {
b05400be 75 AliDebug(2,Form("Folder <%s> found",fDBFolder.Data()));
9e1ceb13 76 }
77
78 // removes any '/' at the end of path, then append one '/'
b05400be 79 while(fDBFolder.EndsWith("/")) fDBFolder.Remove(fDBFolder.Last('/'));
80 fDBFolder+="/";
9e1ceb13 81
82 // return to the initial directory
83 gGrid->Cd(initDir.Data(),0);
84}
85
86//_____________________________________________________________________________
87AliCDBGrid::~AliCDBGrid()
88{
89// destructor
90
91}
92
93//_____________________________________________________________________________
94Bool_t AliCDBGrid::FilenameToId(const char* filename, AliCDBRunRange& runRange,
95 Int_t& gridVersion) {
96// build AliCDBId from filename numbers
97
98 Ssiz_t mSize;
99
100 // valid filename: Run#firstRun_#lastRun_v#version.root
101 TRegexp keyPattern("^Run[0-9]+_[0-9]+_v[0-9]+.root$");
102 keyPattern.Index(filename, &mSize);
103 if (!mSize) {
104 AliDebug(2,Form("Bad filename <%s>.", filename));
105 return kFALSE;
106 }
107
108 TString idString(filename);
109 idString.Resize(idString.Length() - sizeof(".root") + 1);
110
111 TObjArray* strArray = (TObjArray*) idString.Tokenize("_");
112
113 TString firstRunString(((TObjString*) strArray->At(0))->GetString());
114 runRange.SetFirstRun(atoi(firstRunString.Data() + 3));
115 runRange.SetLastRun(atoi(((TObjString*) strArray->At(1))->GetString()));
116
117 TString verString(((TObjString*) strArray->At(2))->GetString());
118 gridVersion = atoi(verString.Data() + 1);
119
120 delete strArray;
121
122 return kTRUE;
123}
124
125//_____________________________________________________________________________
126Bool_t AliCDBGrid::IdToFilename(const AliCDBRunRange& runRange, Int_t gridVersion,
127 TString& filename) {
128// build file name from AliCDBId data (run range, version)
129
130 if (!runRange.IsValid()) {
b05400be 131 AliDebug(2,Form("Invalid run range <%d, %d>.",
9e1ceb13 132 runRange.GetFirstRun(), runRange.GetLastRun()));
133 return kFALSE;
134 }
135
136 if (gridVersion < 0) {
b05400be 137 AliDebug(2,Form("Invalid version <%d>.", gridVersion));
9e1ceb13 138 return kFALSE;
139 }
140
141 filename += "Run";
142 filename += runRange.GetFirstRun();
143 filename += "_";
144 filename += runRange.GetLastRun();
145 filename += "_v";
146 filename += gridVersion;
147 filename += ".root";
148
149 return kTRUE;
150}
151
152//_____________________________________________________________________________
153Bool_t AliCDBGrid::PrepareId(AliCDBId& id) {
154// prepare id (version) of the object that will be stored (called by PutEntry)
155
156 TString initDir(gGrid->Pwd(0));
157 TString pathName= id.GetPath();
158
b05400be 159 TString dirName(fDBFolder);
9e1ceb13 160
161 Bool_t dirExist=kFALSE;
162
163 // go to the path; if directory does not exist, create it
164 TObjArray *arrName=pathName.Tokenize("/");
165 for(int i=0;i<arrName->GetEntries();i++){
166 TString buffer((arrName->At(i))->GetName());
167 dirName+=buffer; dirName+="/";
168 dirExist=gGrid->Cd(dirName,0);
169 if (!dirExist) {
b05400be 170 AliDebug(2,Form("Creating new folder <%s> ...",dirName.Data()));
9e1ceb13 171 if(!gGrid->Mkdir(dirName,"",0)){
172 AliError(Form("Cannot create directory <%s> !",dirName.Data()));
173 gGrid->Cd(initDir.Data());
174 return kFALSE;
175 }
176 }
177 }
178 delete arrName;
179 gGrid->Cd(initDir,0);
180
181 const char* filename;
182 AliCDBRunRange aRunRange; // the runRange got from filename
183 AliCDBRunRange lastRunRange(-1,-1); // highest runRange found
184 Int_t aVersion; // the version got from filename
185 Int_t lastVersion=0; // highest version found
186
187 TGridResult *res = gGrid->Ls(dirName);
188
189 //loop on the files in the directory, look for highest version
190 for(int i=0; i < res->GetEntries(); i++){
191 filename=res->GetFileName(i);
192 if (!FilenameToId(filename, aRunRange, aVersion)) continue;
193 if (aRunRange.Overlaps(id.GetAliCDBRunRange()) && aVersion > lastVersion) {
194 lastVersion = aVersion;
195 lastRunRange = aRunRange;
196 }
197
198 }
199 delete res;
200
201 id.SetVersion(lastVersion + 1);
202
203 TString lastStorage = id.GetLastStorage();
204 if(lastStorage.Contains(TString("new"), TString::kIgnoreCase) && id.GetVersion() > 1 ){
b05400be 205 AliWarning(Form("A NEW object is being stored with version %d",
9e1ceb13 206 id.GetVersion()));
7541e2ae 207 AliWarning(Form("and it will hide previously stored object with version %d!",
9e1ceb13 208 id.GetVersion()-1));
209 }
210
211 if(!lastRunRange.IsAnyRange() && !(lastRunRange.IsEqual(&id.GetAliCDBRunRange())))
212 AliWarning(Form("Run range modified w.r.t. previous version (Run%d_%d_v%d)",
213 lastRunRange.GetFirstRun(), lastRunRange.GetLastRun(), id.GetVersion()));
214
215 return kTRUE;
216}
217
218//_____________________________________________________________________________
4b5e0dce 219Bool_t AliCDBGrid::GetId(const AliCDBId& query, AliCDBId& result) {
9e1ceb13 220// look for filename matching query (called by GetEntry)
221
222 TString initDir(gGrid->Pwd(0));
223
b05400be 224 TString dirName(fDBFolder);
225 dirName += query.GetPath(); // dirName = fDBFolder/idPath
9e1ceb13 226
227 if (!gGrid->Cd(dirName,0)) {
228 AliError(Form("Directory <%s> not found", (query.GetPath()).Data()));
b05400be 229 AliError(Form("in DB folder %s", fDBFolder.Data()));
4b5e0dce 230 return kFALSE;
9e1ceb13 231 }
232
233 TGridResult *res = gGrid->Ls(dirName);
234
235 const char* filename;
236 AliCDBRunRange aRunRange; // the runRange got from filename
237 Int_t aVersion; // the version got from filename
238
239 for(int i=0; i < res->GetEntries(); i++){
240 filename=res->GetFileName(i);
241 if (!FilenameToId(filename, aRunRange, aVersion)) continue;
242 // aRunRange and aVersion filled from filename
243
244 if (!aRunRange.Comprises(query.GetAliCDBRunRange())) continue;
245 // aRunRange contains requested run!
246
247 if (!query.HasVersion()){ // look for highest version
248 if(result.GetVersion() > aVersion) continue;
249 if(result.GetVersion() == aVersion) {
250 AliError(Form("More than one object valid for run %d, version %d!",
251 query.GetFirstRun(), aVersion));
4b5e0dce 252 return kFALSE;
9e1ceb13 253 }
254 result.SetVersion(aVersion);
255 result.SetFirstRun(aRunRange.GetFirstRun());
256 result.SetLastRun(aRunRange.GetLastRun());
257
258 } else { // look for specified version
259 if(query.GetVersion() != aVersion) continue;
260 if(result.GetVersion() == aVersion){
261 AliError(Form("More than one object valid for run %d, version %d!",
262 query.GetFirstRun(), aVersion));
4b5e0dce 263 return kFALSE;
9e1ceb13 264 }
265 result.SetVersion(aVersion);
266 result.SetFirstRun(aRunRange.GetFirstRun());
267 result.SetLastRun(aRunRange.GetLastRun());
268 }
269 } // end loop on filenames
270 delete res;
271
272 gGrid->Cd(initDir.Data(),0);
273
4b5e0dce 274 return kTRUE;
9e1ceb13 275}
276
277//_____________________________________________________________________________
278AliCDBEntry* AliCDBGrid::GetEntry(const AliCDBId& queryId) {
279// get AliCDBEntry from the database
280
4b5e0dce 281 AliCDBId dataId(queryId.GetAliCDBPath(), -1, -1, -1, -1);
282 Bool_t result;
9e1ceb13 283
284 // look for a filename matching query requests (path, runRange, version, subVersion)
285 if (!queryId.HasVersion()) {
286 // if version is not specified, first check the selection criteria list
4b5e0dce 287 AliCDBId selectedId(queryId);
288 GetSelection(&selectedId);
289 result = GetId(selectedId,dataId);
9e1ceb13 290 } else {
4b5e0dce 291 result = GetId(queryId,dataId);
9e1ceb13 292 }
293
4b5e0dce 294 if (!result || !dataId.IsSpecified()) return NULL;
9e1ceb13 295
296 TString filename;
297 if (!IdToFilename(dataId.GetAliCDBRunRange(), dataId.GetVersion(),filename)) {
298 AliError("Bad data ID encountered! Subnormal error!");
299 return NULL;
300 }
301
b05400be 302 filename.Prepend("/alien" + fDBFolder + queryId.GetPath() + '/');
9e1ceb13 303 filename += "?se="; filename += fSE.Data();
304
305 AliInfo(Form("Opening file: %s",filename.Data()));
306 TFile *file = TFile::Open(filename);
307 if (!file) {
308 AliError(Form("Can't open file <%s>!", filename.Data()));
309 return NULL;
310 }
311
312 // get the only AliCDBEntry object from the file
313 // the object in the file is an AliCDBEntry entry named "AliCDBEntry"
314
315 TObject* anObject = file->Get("AliCDBEntry");
316
317 if (!anObject) {
318 AliError("Bad storage data: NULL entry object!");
319 return NULL;
320 }
321
322 if (AliCDBEntry::Class() != anObject->IsA()) {
323 AliError("Bad storage data: Invalid entry object!");
324 return NULL;
325 }
326
327 AliCDBId entryId = ((AliCDBEntry* ) anObject)->GetId();
328
329 // The object's Id is not reset during storage
330 // If object's Id runRange or version do not match with filename,
331 // it means that someone renamed file by hand. In this case a warning msg is issued.
332
333 ((AliCDBEntry*) anObject)->SetLastStorage("grid");
334
335 if(!((entryId.GetAliCDBRunRange()).IsEqual(&dataId.GetAliCDBRunRange())) ||
336 entryId.GetVersion() != dataId.GetVersion()){
337 AliWarning(Form("Either RunRange or gridVersion in the object's metadata do noth match with fileName numbers:"));
338 AliWarning(Form("someone renamed file by hand!"));
339 }
340
341 // close file, return retieved entry
342 file->Close(); delete file; file=0;
343 return (AliCDBEntry*) anObject;
344}
345
346//_____________________________________________________________________________
347void AliCDBGrid::GetEntriesForLevel0(const char* level0,
348 const AliCDBId& queryId, TList* result) {
349// multiple request (AliCDBStorage::GetAll)
350
b05400be 351 TString level0Dir=fDBFolder;
9e1ceb13 352 level0Dir += level0;
353
354 if (!gGrid->Cd(level0Dir,0)) {
355 AliError(Form("Level0 directory <%s> not found", level0Dir.Data()));
356 return;
357 }
358
359 TGridResult *res = gGrid->Ls(level0Dir);
360 TString level1;
361 for(int i=0; i < res->GetEntries(); i++){
362 level1=res->GetFileName(i);
363 if (queryId.GetAliCDBPath().Level1Comprises(level1))
364 GetEntriesForLevel1(level0, level1, queryId, result);
365 }
366 delete res;
367}
368
369//_____________________________________________________________________________
370void AliCDBGrid::GetEntriesForLevel1(const char* level0, const char* level1,
371 const AliCDBId& queryId, TList* result) {
372// multiple request (AliCDBStorage::GetAll)
373
b05400be 374 TString level1Dir=fDBFolder;
9e1ceb13 375 level1Dir += level0;
376 level1Dir += '/';
377 level1Dir += level1;
378
379 if (!gGrid->Cd(level1Dir,0)) {
380 AliError(Form("Level1 directory <%s> not found", level1Dir.Data()));
381 return;
382 }
383
384 TGridResult *res = gGrid->Ls(level1Dir);
385 TString level2;
386 for(int i=0; i < res->GetEntries(); i++){
387 level2=res->GetFileName(i);
388 if (queryId.GetAliCDBPath().Level2Comprises(level2)){
389 AliCDBPath entryPath(level0, level1, level2);
390 AliCDBId entryId(entryPath,
391 queryId.GetAliCDBRunRange(),
392 queryId.GetVersion(),
393 queryId.GetSubVersion());
394
395 AliCDBEntry* anEntry = GetEntry(entryId);
396 if (anEntry) result->Add(anEntry);
397
398 }
399 }
400 delete res;
401}
402
403//_____________________________________________________________________________
404TList* AliCDBGrid::GetEntries(const AliCDBId& queryId) {
405// multiple request (AliCDBStorage::GetAll)
406
407 TList* result = new TList();
408 result->SetOwner();
409
410 TString initDir(gGrid->Pwd(0));
411
b05400be 412 TGridResult *res = gGrid->Ls(fDBFolder);
9e1ceb13 413 TString level0;
414
415 for(int i=0; i < res->GetEntries(); i++){
416 level0=res->GetFileName(i);
417 if (queryId.GetAliCDBPath().Level0Comprises(level0))
418 GetEntriesForLevel0(level0, queryId, result);
419 }
420 delete res;
421
422 gGrid->Cd(initDir.Data(),0);
423 return result;
424}
425
426//_____________________________________________________________________________
427Bool_t AliCDBGrid::PutEntry(AliCDBEntry* entry) {
428// put an AliCDBEntry object into the database
429
430 AliCDBId& id = entry->GetId();
431
432 // set version for the entry to be stored
433 if (!PrepareId(id)) return kFALSE;
434
435 // build filename from entry's id
436 TString filename;
437 if (!IdToFilename(id.GetAliCDBRunRange(), id.GetVersion(), filename)) {
438 AliError("Bad ID encountered! Subnormal error!");
439 return kFALSE;
440 }
441
b05400be 442 filename.Prepend("/alien" + fDBFolder + id.GetPath() + '/');
9e1ceb13 443 TString filenameCopy(filename);
444 filename += "?se="; filename += fSE.Data();
445
446 TDirectory* saveDir = gDirectory;
447
448 // open file
449 TFile *file = TFile::Open(filename,"CREATE");
450 if(!file || !file->IsWritable()){
451 AliError(Form("Can't open file <%s>!", filename.Data()));
452 if(file && !file->IsWritable()) file->Close(); delete file; file=0;
453 return kFALSE;
454 }
455
456 file->cd();
457
458 entry->SetVersion(id.GetVersion());
459
460 // write object (key name: "AliCDBEntry")
461 Bool_t result = (entry->Write("AliCDBEntry") != 0);
462 if (!result) AliError(Form("Can't write entry to file <%s>!",filename.Data()));
463
464
465 if (saveDir) saveDir->cd(); else gROOT->cd();
466 file->Close(); delete file; file=0;
467 if(result) {
b05400be 468 AliInfo(Form("CDB object stored into file %s",filenameCopy.Data()));
9e1ceb13 469 AliInfo(Form("using S.E. %s", fSE.Data()));
470 }
471
472 return result;
473}
474
b05400be 475//_____________________________________________________________________________
476TList* AliCDBGrid::GetIdListFromFile(const char* fileName){
477
478 TString turl(fileName);
479 turl.Prepend("/alien" + fDBFolder);
480 turl += "?se="; turl += fSE.Data();
481 TFile *file = TFile::Open(turl);
482 if (!file) {
483 AliError(Form("Can't open selection file <%s>!", turl.Data()));
484 return NULL;
485 }
486
487 TList *list = new TList();
488 list->SetOwner();
489 int i=0;
490 TString keycycle;
491
492 AliCDBId *id;
493 while(1){
494 i++;
495 keycycle = "AliCDBId;";
496 keycycle+=i;
497
498 id = (AliCDBId*) file->Get(keycycle);
499 if(!id) break;
500 list->AddFirst(id);
501 }
502 file->Close(); delete file; file=0;
503
504 return list;
505
506
507}
508
509//_____________________________________________________________________________
510Bool_t AliCDBGrid::Contains(const char* path) const{
511// check for path in storage's DBFolder
512
513 TString initDir(gGrid->Pwd(0));
514 TString dirName(fDBFolder);
515 dirName += path; // dirName = fDBFolder/path
516 Bool_t result=kFALSE;
517 if (gGrid->Cd(dirName,0)) result=kTRUE;
518 gGrid->Cd(initDir.Data(),0);
519 return result;
520}
521
9e1ceb13 522/////////////////////////////////////////////////////////////////////////////////////////////////
523// //
524// AliCDBGrid factory //
525// //
526/////////////////////////////////////////////////////////////////////////////////////////////////
527
528ClassImp(AliCDBGridFactory)
529
530//_____________________________________________________________________________
531Bool_t AliCDBGridFactory::Validate(const char* gridString) {
532// check if the string is valid Grid URI
533
534 // pattern: alien://hostName:Port;user;dbPath;SE
535 // example of a valid pattern:
536 // "alien://aliendb4.cern.ch:9000;colla;DBTest;ALICE::CERN::Server"
b05400be 537// TRegexp gridPattern("^alien://.+:[0-9]+;[a-zA-Z0-9_-.]+;.+;.+$");
538 TRegexp gridPattern("^alien://.+$");
9e1ceb13 539
540 return TString(gridString).Contains(gridPattern);
541}
542
543//_____________________________________________________________________________
544AliCDBParam* AliCDBGridFactory::CreateParameter(const char* gridString) {
545// create AliCDBGridParam class from the URI string
546
547 if (!Validate(gridString)) {
548 return NULL;
549 }
b05400be 550 //TString buffer(gridString + sizeof("alien://") - 1);
551 TString buffer(gridString);
552
553 TString gridUrl = "alien://";
554 TString user = "";
555 TString dbFolder = "DBGrid";
556 TString se = "ALICE::CERN::se01";
557
558 TObjArray *arr = buffer.Tokenize('?');
559 TIter iter(arr);
560 TObjString *str;
9e1ceb13 561
b05400be 562 while((str = (TObjString*) iter.Next())){
563 TString entry(str->String());
564 Int_t indeq = entry.Index('=');
565 if(indeq == -1) {
566 if(entry.BeginsWith("alien://")) { // maybe it's a gridUrl!
567 gridUrl = entry;
568 continue;
569 } else {
570 AliError(Form("Invalid entry! %s",entry.Data()));
571 continue;
572 }
573 }
574
575 TString key = entry(0,indeq);
576 TString value = entry(indeq+1,entry.Length()-indeq);
577
578 if(key.Contains("grid",TString::kIgnoreCase)) {
579 gridUrl += value;
580 }
581 else if (key.Contains("user",TString::kIgnoreCase)){
582 user = value;
583 }
584 else if (key.Contains("folder",TString::kIgnoreCase)){
585 dbFolder = value;
586 }
587 else if (key.Contains("se",TString::kIgnoreCase)){
588 se = value;
589 }
590 else{
591 AliError(Form("Invalid entry! %s",entry.Data()));
592 }
593 }
594 delete arr; arr=0;
595
596 AliInfo(Form("gridUrl: %s",gridUrl.Data()));
597 AliInfo(Form("user: %s",user.Data()));
598 AliInfo(Form("dbFolder: %s",dbFolder.Data()));
599 AliInfo(Form("s.e.: %s",se.Data()));
9e1ceb13 600
b05400be 601 return new AliCDBGridParam(gridUrl, user, dbFolder, se);
9e1ceb13 602}
603
604//_____________________________________________________________________________
605AliCDBStorage* AliCDBGridFactory::Create(const AliCDBParam* param) {
606// create AliCDBGrid storage instance from parameters
607
608 if (AliCDBGridParam::Class() == param->IsA()) {
609
610 const AliCDBGridParam* gridParam = (const AliCDBGridParam*) param;
b05400be 611 AliCDBGrid *grid = new AliCDBGrid(gridParam->GridUrl(),
612 gridParam->GetUser(), gridParam->GetDBFolder(),
9e1ceb13 613 gridParam->GetSE());
614
615 if(gGrid) return grid;
616 }
617
618 return NULL;
619}
620
621/////////////////////////////////////////////////////////////////////////////////////////////////
622// //
623// AliCDBGrid Parameter class // //
624// //
625/////////////////////////////////////////////////////////////////////////////////////////////////
626
627ClassImp(AliCDBGridParam)
628
629//_____________________________________________________________________________
630AliCDBGridParam::AliCDBGridParam() {
631// default constructor
632
633}
634
635//_____________________________________________________________________________
b05400be 636AliCDBGridParam::AliCDBGridParam(const char* gridUrl,
9e1ceb13 637 const char* user,
b05400be 638 const char* dbFolder,
9e1ceb13 639 const char* se):
b05400be 640 fGridUrl(gridUrl),
9e1ceb13 641 fUser(user),
b05400be 642 fDBFolder(dbFolder),
9e1ceb13 643 fSE(se)
644{
645// constructor
646
647 SetType("alien");
648
b05400be 649 TString uri;
650 uri+=fGridUrl; uri+="?";
651 uri+="User="; uri+=fUser; uri+="?";
652 uri+="DBFolder="; uri+=fDBFolder; uri+="?";
653 uri+="SE="; uri+=fSE;
9e1ceb13 654
655 SetURI(uri);
656}
657
658//_____________________________________________________________________________
659AliCDBGridParam::~AliCDBGridParam() {
660// destructor
661
662}
663
664//_____________________________________________________________________________
665AliCDBParam* AliCDBGridParam::CloneParam() const {
666// clone parameter
667
b05400be 668 return new AliCDBGridParam(fGridUrl, fUser, fDBFolder, fSE);
9e1ceb13 669}
670
671//_____________________________________________________________________________
672ULong_t AliCDBGridParam::Hash() const {
673// return Hash function
674
b05400be 675 return fGridUrl.Hash()+fUser.Hash()+fDBFolder.Hash()+fSE.Hash();
9e1ceb13 676}
677
678//_____________________________________________________________________________
679Bool_t AliCDBGridParam::IsEqual(const TObject* obj) const {
680// check if this object is equal to AliCDBParam obj
681
682 if (this == obj) {
683 return kTRUE;
684 }
685
686 if (AliCDBGridParam::Class() != obj->IsA()) {
687 return kFALSE;
688 }
689
690 AliCDBGridParam* other = (AliCDBGridParam*) obj;
691
b05400be 692 if(fGridUrl != other->fGridUrl) return kFALSE;
9e1ceb13 693 if(fUser != other->fUser) return kFALSE;
b05400be 694 if(fDBFolder != other->fDBFolder) return kFALSE;
9e1ceb13 695 if(fSE != other->fSE) return kFALSE;
696 return kTRUE;
697}
698