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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 // AliCDBGrid                                                                                  //
19 // access class to a DataBase in an AliEn storage                                              //
20 //                                                                                             //
21 /////////////////////////////////////////////////////////////////////////////////////////////////
22
23 #include <cstdlib>
24 #include <TGrid.h>
25 #include <TGridResult.h>
26 #include <TFile.h>
27 #include <TKey.h>
28 #include <TROOT.h>
29 #include <TList.h>
30 #include <TObjArray.h>
31 #include <TObjString.h>
32 #include <TRegexp.h>
33
34 #include "AliLog.h"
35 #include "AliCDBEntry.h"
36 #include "AliCDBGrid.h"
37 #include "AliCDBManager.h"
38
39
40 ClassImp(AliCDBGrid)
41
42 //_____________________________________________________________________________
43 AliCDBGrid::AliCDBGrid(const char *gridUrl, const char *user, const char *dbFolder,
44                        const char *se, const char* cacheFolder, Bool_t operateDisconnected,
45                        Long64_t cacheSize, Long_t cleanupInterval) :
46 AliCDBStorage(),
47 fGridUrl(gridUrl),
48 fUser(user),
49 fDBFolder(dbFolder),
50 fSE(se),
51 fCacheFolder(cacheFolder),
52 fOperateDisconnected(operateDisconnected),
53 fCacheSize(cacheSize),
54 fCleanupInterval(cleanupInterval)
55 {
56 // constructor //
57
58         // if the same Grid is alreay active, skip connection
59         if (!gGrid || fGridUrl != gGrid->GridUrl()
60              || (( fUser != "" ) && ( fUser != gGrid->GetUser() )) ) {
61                 // connection to the Grid
62                 AliInfo("Connection to the Grid...");
63                 if(gGrid){
64                         AliInfo(Form("gGrid = %x; fGridUrl = %s; gGrid->GridUrl() = %s",gGrid,fGridUrl.Data(), gGrid->GridUrl()));
65                         AliInfo(Form("fUser = %s; gGrid->GetUser() = %s",fUser.Data(), gGrid->GetUser()));
66                 }
67                 AliDebug(2,Form("1. Grid Url = %s",fGridUrl.Data()));
68                 if (fGridUrl == "raw://") fGridUrl = "alien://";
69                 AliDebug(2,Form("2. Grid Url = %s (should be different from previous in cas eof raw)", fGridUrl.Data()));
70                 TGrid::Connect(fGridUrl.Data(),fUser.Data());
71         }
72
73         if(!gGrid) {
74                 AliError("Connection failed!");
75                 return;
76         }
77
78         TString initDir(gGrid->Pwd(0));
79         if (fDBFolder[0] != '/') {
80                 fDBFolder.Prepend(initDir);
81         }
82
83         // check DBFolder: trying to cd to DBFolder; if it does not exist, create it
84         if(!gGrid->Cd(fDBFolder.Data(),0)){
85                 AliDebug(2,Form("Creating new folder <%s> ...",fDBFolder.Data()));
86                 TGridResult* res = gGrid->Command(Form("mkdir -p %s",fDBFolder.Data()));
87                 TString result = res->GetKey(0,"__result__");
88                 if(result == "0"){
89                         AliFatal(Form("Cannot create folder <%s> !",fDBFolder.Data()));
90                         return;
91                 }
92         } else {
93                 AliDebug(2,Form("Folder <%s> found",fDBFolder.Data()));
94         }
95
96         // removes any '/' at the end of path, then append one '/'
97         while(fDBFolder.EndsWith("/")) fDBFolder.Remove(fDBFolder.Last('/')); 
98         fDBFolder+="/";
99
100         fType="alien";
101         fBaseFolder = fDBFolder;
102
103         // Setting the cache
104
105         // Check if local cache folder is already defined
106         TString origCache(TFile::GetCacheFileDir());
107         if(fCacheFolder.Length() > 0) {
108                 if(origCache.Length() == 0) {
109                         AliInfo(Form("Setting local cache to: %s", fCacheFolder.Data()));
110                 } else if(fCacheFolder != origCache) {
111                         AliWarning(Form("Local cache folder was already defined, changing it to: %s",
112                                         fCacheFolder.Data()));
113                 }
114
115                 // default settings are: operateDisconnected=kTRUE, forceCacheread = kFALSE
116                 if(!TFile::SetCacheFileDir(fCacheFolder.Data(), fOperateDisconnected)) {
117                         AliError(Form("Could not set cache folder %s !", fCacheFolder.Data()));
118                         fCacheFolder = "";
119                 } else {
120                         // reset fCacheFolder because the function may have
121                         // slightly changed the folder name (e.g. '/' added)
122                         fCacheFolder = TFile::GetCacheFileDir();
123                 }
124
125                 // default settings are: cacheSize=1GB, cleanupInterval = 0
126                 if(!TFile::ShrinkCacheFileDir(fCacheSize, fCleanupInterval)) {
127                         AliError(Form("Could not set following values "
128                                 "to ShrinkCacheFileDir: cacheSize = %d, cleanupInterval = %d !",
129                                 fCacheSize, fCleanupInterval));
130                 }
131         }
132
133         // return to the initial directory
134         gGrid->Cd(initDir.Data(),0);
135 }
136
137 //_____________________________________________________________________________
138 AliCDBGrid::~AliCDBGrid()
139 {
140 // destructor
141         delete gGrid; gGrid=0;
142
143 }
144
145 //_____________________________________________________________________________
146 Bool_t AliCDBGrid::FilenameToId(TString& filename, AliCDBId& id) {
147 // build AliCDBId from full path filename (fDBFolder/path/Run#x_#y_v#z_s0.root)
148
149         if(filename.Contains(fDBFolder)){
150                 filename = filename(fDBFolder.Length(),filename.Length()-fDBFolder.Length());
151         }
152
153         TString idPath = filename(0,filename.Last('/'));
154         id.SetPath(idPath);
155         if(!id.IsValid()) return kFALSE;
156
157         filename=filename(idPath.Length()+1,filename.Length()-idPath.Length());
158
159         Ssiz_t mSize;
160         // valid filename: Run#firstRun_#lastRun_v#version_s0.root
161         TRegexp keyPattern("^Run[0-9]+_[0-9]+_v[0-9]+_s0.root$");
162         keyPattern.Index(filename, &mSize);
163         if (!mSize) {
164
165                 // TODO backward compatibility ... maybe remove later!
166                 Ssiz_t oldmSize;
167                 TRegexp oldKeyPattern("^Run[0-9]+_[0-9]+_v[0-9]+.root$");
168                 oldKeyPattern.Index(filename, &oldmSize);
169                 if(!oldmSize) {
170                         AliDebug(2,Form("Bad filename <%s>.", filename.Data()));
171                         return kFALSE;
172                 } else {
173                         AliDebug(2,Form("Old filename format <%s>.", filename.Data()));
174                         id.SetSubVersion(-11); // TODO trick to ensure backward compatibility
175                 }
176
177         } else {
178                 id.SetSubVersion(-1); // TODO trick to ensure backward compatibility
179         }
180
181         filename.Resize(filename.Length() - sizeof(".root") + 1);
182
183         TObjArray* strArray = (TObjArray*) filename.Tokenize("_");
184
185         TString firstRunString(((TObjString*) strArray->At(0))->GetString());
186         id.SetFirstRun(atoi(firstRunString.Data() + 3));
187         id.SetLastRun(atoi(((TObjString*) strArray->At(1))->GetString()));
188
189         TString verString(((TObjString*) strArray->At(2))->GetString());
190         id.SetVersion(atoi(verString.Data() + 1));
191
192         delete strArray;
193
194         return kTRUE;
195 }
196
197 //_____________________________________________________________________________
198 Bool_t AliCDBGrid::IdToFilename(const AliCDBId& id, TString& filename) const {
199 // build file name from AliCDBId (path, run range, version) and fDBFolder
200
201         if (!id.GetAliCDBRunRange().IsValid()) {
202                 AliDebug(2,Form("Invalid run range <%d, %d>.",
203                         id.GetFirstRun(), id.GetLastRun()));
204                 return kFALSE;
205         }
206
207         if (id.GetVersion() < 0) {
208                 AliDebug(2,Form("Invalid version <%d>.", id.GetVersion()));
209                 return kFALSE;
210         }
211
212         filename = Form("Run%d_%d_v%d",
213                                 id.GetFirstRun(),
214                                 id.GetLastRun(),
215                                 id.GetVersion());
216
217         if (id.GetSubVersion() != -11) filename += "_s0"; // TODO to ensure backward compatibility
218         filename += ".root";
219
220         filename.Prepend(fDBFolder + id.GetPath() + '/');
221
222         return kTRUE;
223 }
224
225 //_____________________________________________________________________________
226 Bool_t AliCDBGrid::PrepareId(AliCDBId& id) {
227 // prepare id (version) of the object that will be stored (called by PutEntry)
228
229         TString initDir(gGrid->Pwd(0));
230
231         TString dirName(fDBFolder);
232
233         Bool_t dirExist=kFALSE;
234
235
236
237         // go to the path; if directory does not exist, create it
238         for(int i=0;i<3;i++){
239                 dirName+=Form("%s/",id.GetPathLevel(i).Data());
240                 dirExist=gGrid->Cd(dirName,0);
241                 if (!dirExist) {
242                         AliDebug(2,Form("Creating new folder <%s> ...",dirName.Data()));
243                         if(!gGrid->Mkdir(dirName,"",0)){
244                                 AliError(Form("Cannot create directory <%s> !",dirName.Data()));
245                                 gGrid->Cd(initDir.Data());
246                         return kFALSE;
247                         }
248
249                         // if folders are new add tags to them
250                         if(i == 1) {
251                                 // TODO Currently disabled
252                                 // add short lived tag!
253                                 // AliInfo("Tagging level 1 folder with \"ShortLived\" tag");
254                                 // if(!AddTag(dirName,"ShortLived_try")){
255                                 //      AliError(Form("Could not tag folder %s !", dirName.Data()));
256                                 //      if(!gGrid->Rmdir(dirName.Data())){
257                                 //              AliError(Form("Unexpected: could not remove %s directory!", dirName.Data()));
258                                 //      }
259                                 //      return 0;
260                                 //}
261
262                         } else if(i == 2) {
263                                 AliDebug(2,"Tagging level 2 folder with \"CDB\" and \"CDB_MD\" tag");
264                                 if(!AddTag(dirName,"CDB")){
265                                         AliError(Form("Could not tag folder %s !", dirName.Data()));
266                                         if(!gGrid->Rmdir(dirName.Data())){
267                                                 AliError(Form("Unexpected: could not remove %s directory!", dirName.Data()));
268                                         }
269                                         return 0;
270                                 }
271                                 if(!AddTag(dirName,"CDB_MD")){
272                                         AliError(Form("Could not tag folder %s !", dirName.Data()));
273                                         if(!gGrid->Rmdir(dirName.Data())){
274                                                 AliError(Form("Unexpected: could not remove %s directory!", dirName.Data()));
275                                         }
276                                         return 0;
277                                 }
278
279                                 // TODO Currently disabled
280                                 // add short lived tag!
281                                 // TString path=id.GetPath();
282                                 // if(AliCDBManager::Instance()->IsShortLived(path.Data())) {
283                                 //      AliInfo(Form("Tagging %s as short lived", dirName.Data()));
284                                 //      if(!TagShortLived(dirName, kTRUE)){
285                                 //              AliError(Form("Could not tag folder %s !", dirName.Data()));
286                                 //              if(!gGrid->Rmdir(dirName.Data())){
287                                 //                      AliError(Form("Unexpected: could not remove %s directory!", dirName.Data()));
288                                 //              }
289                                 //              return 0;
290                                 //      }
291                                 // } else {
292                                 //      AliInfo(Form("Tagging %s as long lived", dirName.Data()));
293                                 //      if(!TagShortLived(dirName, kFALSE)){
294                                 //              AliError(Form("Could not tag folder %s !", dirName.Data()));
295                                 //              if(!gGrid->Rmdir(dirName.Data())){
296                                 //                      AliError(Form("Unexpected: could not remove %s directory!", dirName.Data()));
297                                 //              }
298                                 //              return 0;
299                                 //      }
300                                 // }
301                         }
302                 }
303         }
304         gGrid->Cd(initDir,0);
305
306         TString filename;
307         AliCDBId anId; // the id got from filename
308         AliCDBRunRange lastRunRange(-1,-1); // highest runRange found
309         Int_t lastVersion=0; // highest version found
310
311         TGridResult *res = gGrid->Ls(dirName);
312
313         //loop on the files in the directory, look for highest version
314         for(int i=0; i < res->GetEntries(); i++){
315                 filename=res->GetFileNamePath(i);
316                 if (!FilenameToId(filename, anId)) continue;
317                 if (anId.GetAliCDBRunRange().Overlaps(id.GetAliCDBRunRange()) && anId.GetVersion() > lastVersion) {
318                         lastVersion = anId.GetVersion();
319                         lastRunRange = anId.GetAliCDBRunRange();
320                 }
321
322         }
323         delete res;
324
325         if (!id.HasVersion()){
326                 id.SetVersion(lastVersion + 1);
327         }
328         id.SetSubVersion(0);
329
330         TString lastStorage = id.GetLastStorage();
331         if(lastStorage.Contains(TString("new"), TString::kIgnoreCase) && id.GetVersion() > 1 ){
332                 AliDebug(2, Form("A NEW object is being stored with version %d",
333                                         id.GetVersion()));
334                 AliDebug(2, Form("and it will hide previously stored object with version %d!",
335                                         id.GetVersion()-1));
336         }
337
338         if(!lastRunRange.IsAnyRange() && !(lastRunRange.IsEqual(&id.GetAliCDBRunRange())))
339                 AliWarning(Form("Run range modified w.r.t. previous version (Run%d_%d_v%d)",
340                         lastRunRange.GetFirstRun(), lastRunRange.GetLastRun(), id.GetVersion()));
341
342         return kTRUE;
343 }
344
345 //_____________________________________________________________________________
346 AliCDBId* AliCDBGrid::GetId(const TObjArray& validFileIds, const AliCDBId& query) {
347 // look for the Id that matches query's requests (highest or exact version)
348
349         if(validFileIds.GetEntriesFast() < 1) {
350                 return NULL;
351         } else if (validFileIds.GetEntriesFast() == 1) {
352                 return dynamic_cast<AliCDBId*> (validFileIds.At(0)->Clone());
353         }
354
355         TIter iter(&validFileIds);
356
357         AliCDBId *anIdPtr=0;
358         AliCDBId* result=0;
359
360         while((anIdPtr = dynamic_cast<AliCDBId*> (iter.Next()))){
361                 if(anIdPtr->GetPath() != query.GetPath()) continue;
362
363                 //if(!CheckVersion(query, anIdPtr, result)) return NULL;
364
365                 if (!query.HasVersion()){ // look for highest version
366                         if(result && result->GetVersion() > anIdPtr->GetVersion()) continue;
367                         if(result && result->GetVersion() == anIdPtr->GetVersion()) {
368                                 AliError(Form("More than one object valid for run %d, version %d!",
369                                         query.GetFirstRun(), anIdPtr->GetVersion()));
370                                 return NULL;
371                         }
372                         result = anIdPtr;
373                 } else { // look for specified version
374                         if(query.GetVersion() != anIdPtr->GetVersion()) continue;
375                         if(result && result->GetVersion() == anIdPtr->GetVersion()){
376                                 AliError(Form("More than one object valid for run %d, version %d!",
377                                         query.GetFirstRun(), anIdPtr->GetVersion()));
378                                 return NULL;
379                         }
380                         result = anIdPtr;
381                 }
382
383         }
384         
385         if (!result) return NULL;
386
387         return dynamic_cast<AliCDBId*> (result->Clone());
388 }
389
390 //_____________________________________________________________________________
391 AliCDBId* AliCDBGrid::GetEntryId(const AliCDBId& queryId) {
392 // get AliCDBId from the database
393 // User must delete returned object
394
395         AliCDBId* dataId=0;
396
397         AliCDBId selectedId(queryId);
398         if (!selectedId.HasVersion()) {
399                 // if version is not specified, first check the selection criteria list
400                 GetSelection(&selectedId);
401         }
402
403         TObjArray validFileIds;
404         validFileIds.SetOwner(1);
405
406         // look for file matching query requests (path, runRange, version)
407         if(selectedId.GetFirstRun() == fRun &&
408                         fPathFilter.Comprises(selectedId.GetAliCDBPath()) && fVersion < 0 && !fMetaDataFilter){
409                 // look into list of valid files previously loaded with AliCDBStorage::FillValidFileIds()
410                 AliDebug(2, Form("List of files valid for run %d and for path %s was loaded. Looking there!",
411                                         selectedId.GetFirstRun(), selectedId.GetPath().Data()));
412                 dataId = GetId(fValidFileIds, selectedId);
413
414         } else {
415                 // List of files valid for reqested run was not loaded. Looking directly into CDB
416                 AliDebug(2, Form("List of files valid for run %d and for path %s was not loaded. Looking directly into CDB!",
417                                         selectedId.GetFirstRun(), selectedId.GetPath().Data()));
418
419                 TString filter;
420                 MakeQueryFilter(selectedId.GetFirstRun(), selectedId.GetLastRun(), 0, filter);
421
422                 TString pattern = Form("%s/Run*", selectedId.GetPath().Data());
423                 if(selectedId.GetVersion() >= 0) pattern += Form("_v%d*",selectedId.GetVersion());
424                 pattern += ".root";
425                 AliDebug(2,Form("pattern: %s", pattern.Data()));
426
427                 TGridResult *res = gGrid->Query(fDBFolder, pattern, filter, "");
428                 if (res) {
429                         AliCDBId validFileId;
430                         for(int i=0; i<res->GetEntries(); i++){
431                                 TString filename = res->GetKey(i, "lfn");
432                                 if(filename == "") continue;
433                                 if(FilenameToId(filename, validFileId))
434                                                 validFileIds.AddLast(validFileId.Clone());
435                         }
436                         delete res;
437                 }       
438                 dataId = GetId(validFileIds, selectedId);
439         }
440
441         return dataId;
442 }
443
444 //_____________________________________________________________________________
445 AliCDBEntry* AliCDBGrid::GetEntry(const AliCDBId& queryId) {
446 // get AliCDBEntry from the database
447
448         AliCDBId* dataId = GetEntryId(queryId);
449
450         if (!dataId) return NULL;
451
452         TString filename;
453         if (!IdToFilename(*dataId, filename)) {
454                 AliDebug(2,Form("Bad data ID encountered! Subnormal error!"));
455                 delete dataId;
456                 return NULL;
457         }
458
459         AliCDBEntry* anEntry = GetEntryFromFile(filename, dataId);
460
461         delete dataId;
462         return anEntry;
463 }
464
465 //_____________________________________________________________________________
466 AliCDBEntry* AliCDBGrid::GetEntryFromFile(TString& filename, AliCDBId* dataId){
467 // Get AliCBEntry object from file "filename"
468
469         AliDebug(2,Form("Opening file: %s",filename.Data()));
470
471         filename.Prepend("/alien");
472
473         // if option="CACHEREAD" TFile will use the local caching facility!
474         TString option="READ";
475         if(fCacheFolder != ""){
476
477                 // Check if local cache folder was changed in the meanwhile
478                 TString origCache(TFile::GetCacheFileDir());
479                 if(fCacheFolder != origCache) {
480                         AliWarning(Form("Local cache folder has been overwritten!! fCacheFolder = %s origCache = %s",
481                                         fCacheFolder.Data(), origCache.Data()));
482                         TFile::SetCacheFileDir(fCacheFolder.Data(), fOperateDisconnected);
483                         TFile::ShrinkCacheFileDir(fCacheSize, fCleanupInterval);
484                 }
485
486                 option.Prepend("CACHE");
487         }
488
489         AliDebug(2, Form("Option: %s", option.Data()));
490
491         TFile *file = TFile::Open(filename, option);
492         if (!file) {
493                 AliDebug(2,Form("Can't open file <%s>!", filename.Data()));
494                 return NULL;
495         }
496
497         // get the only AliCDBEntry object from the file
498         // the object in the file is an AliCDBEntry entry named "AliCDBEntry"
499
500         AliCDBEntry* anEntry = dynamic_cast<AliCDBEntry*> (file->Get("AliCDBEntry"));
501
502         if (!anEntry) {
503                 AliDebug(2,Form("Bad storage data: file does not contain an AliCDBEntry object!"));
504                 file->Close();
505                 return NULL;
506         }
507
508         // The object's Id is not reset during storage
509         // If object's Id runRange or version do not match with filename,
510         // it means that someone renamed file by hand. In this case a warning msg is issued.
511
512         if(anEntry){
513                 AliCDBId entryId = anEntry->GetId();
514                 Int_t tmpSubVersion = dataId->GetSubVersion();
515                 dataId->SetSubVersion(entryId.GetSubVersion()); // otherwise filename and id may mismatch
516                 if(!entryId.IsEqual(dataId)){
517                         AliWarning(Form("Mismatch between file name and object's Id!"));
518                         AliWarning(Form("File name: %s", dataId->ToString().Data()));
519                         AliWarning(Form("Object's Id: %s", entryId.ToString().Data()));
520                 }
521                 dataId->SetSubVersion(tmpSubVersion);
522         }
523
524         anEntry->SetLastStorage("grid");
525
526         // Check whether entry contains a TTree. In case load the tree in memory!
527         LoadTreeFromFile(anEntry);
528
529         // close file, return retieved entry
530         file->Close(); delete file; file=0;
531
532         return anEntry;
533 }
534
535 //_____________________________________________________________________________
536 TList* AliCDBGrid::GetEntries(const AliCDBId& queryId) {
537 // multiple request (AliCDBStorage::GetAll)
538
539         TList* result = new TList();
540         result->SetOwner();
541
542         TObjArray validFileIds;
543         validFileIds.SetOwner(1);
544
545         Bool_t alreadyLoaded = kFALSE;
546
547         // look for file matching query requests (path, runRange)
548         if(queryId.GetFirstRun() == fRun &&
549                         fPathFilter.Comprises(queryId.GetAliCDBPath()) && fVersion < 0 && !fMetaDataFilter){
550                 // look into list of valid files previously loaded with AliCDBStorage::FillValidFileIds()
551                 AliDebug(2,Form("List of files valid for run %d and for path %s was loaded. Looking there!",
552                                         queryId.GetFirstRun(), queryId.GetPath().Data()));
553
554                 alreadyLoaded = kTRUE;
555
556         } else {
557                 // List of files valid for reqested run was not loaded. Looking directly into CDB
558                 AliDebug(2,Form("List of files valid for run %d and for path %s was not loaded. Looking directly into CDB!",
559                                         queryId.GetFirstRun(), queryId.GetPath().Data()));
560
561                 TString filter;
562                 MakeQueryFilter(queryId.GetFirstRun(), queryId.GetLastRun(), 0, filter);
563
564                 TString pattern = Form("%s/Run*.root", queryId.GetPath().Data());
565                 AliDebug(2,Form("pattern: %s", pattern.Data()));
566
567                 TGridResult *res = gGrid->Query(fDBFolder, pattern, filter, "");
568
569                 AliCDBId validFileId;
570                 for(int i=0; i<res->GetEntries(); i++){
571                         TString filename = res->GetKey(i, "lfn");
572                         if(filename == "") continue;
573                         if(FilenameToId(filename, validFileId))
574                                         validFileIds.AddLast(validFileId.Clone());
575                 }
576                 delete res;
577         }
578
579         TIter *iter=0;
580         if(alreadyLoaded){
581                 iter = new TIter(&fValidFileIds);
582         } else {
583                 iter = new TIter(&validFileIds);
584         }
585
586         TObjArray selectedIds;
587         selectedIds.SetOwner(1);
588
589         // loop on list of valid Ids to select the right version to get.
590         // According to query and to the selection criteria list, version can be the highest or exact
591         AliCDBPath pathCopy;
592         AliCDBId* anIdPtr=0;
593         AliCDBId* dataId=0;
594         AliCDBPath queryPath = queryId.GetAliCDBPath();
595         while((anIdPtr = dynamic_cast<AliCDBId*> (iter->Next()))){
596                 AliCDBPath thisCDBPath = anIdPtr->GetAliCDBPath();
597                 if(!(queryPath.Comprises(thisCDBPath)) || pathCopy.GetPath() == thisCDBPath.GetPath()) continue;
598                 pathCopy = thisCDBPath;
599
600                 // check the selection criteria list for this query
601                 AliCDBId thisId(*anIdPtr);
602                 thisId.SetVersion(queryId.GetVersion());
603                 if(!thisId.HasVersion()) GetSelection(&thisId);
604
605                 if(alreadyLoaded){
606                         dataId = GetId(fValidFileIds, thisId);
607                 } else {
608                         dataId = GetId(validFileIds, thisId);
609                 }
610                 if(dataId) selectedIds.Add(dataId);
611         }
612
613         delete iter; iter=0;
614
615         // selectedIds contains the Ids of the files matching all requests of query!
616         // All the objects are now ready to be retrieved
617         iter = new TIter(&selectedIds);
618         while((anIdPtr = dynamic_cast<AliCDBId*> (iter->Next()))){
619                 TString filename;
620                 if (!IdToFilename(*anIdPtr, filename)) {
621                         AliDebug(2,Form("Bad data ID encountered! Subnormal error!"));
622                         continue;
623                 }
624
625                 AliCDBEntry* anEntry = GetEntryFromFile(filename, anIdPtr);
626
627                 if(anEntry) result->Add(anEntry);
628
629         }
630         delete iter; iter=0;
631
632         return result;
633 }
634
635 //_____________________________________________________________________________
636 Bool_t AliCDBGrid::PutEntry(AliCDBEntry* entry) {
637 // put an AliCDBEntry object into the database
638
639         AliCDBId& id = entry->GetId();
640
641         // set version for the entry to be stored
642         if (!PrepareId(id)) return kFALSE;
643
644         // build filename from entry's id
645         TString filename;
646         if (!IdToFilename(id, filename)) {
647                 AliError("Bad ID encountered! Subnormal error!");
648                 return kFALSE;
649         }
650
651         TString folderToTag = Form("%s%s",
652                                         fDBFolder.Data(),
653                                         id.GetPath().Data());
654
655         TDirectory* saveDir = gDirectory;
656
657         TString fullFilename = Form("/alien%s", filename.Data());
658         // specify SE to filename
659         if (fSE != "default") fullFilename += Form("?se=%s",fSE.Data());
660
661         // open file
662         TFile *file = TFile::Open(fullFilename,"CREATE");
663         if(!file || !file->IsWritable()){
664                 AliError(Form("Can't open file <%s>!", filename.Data()));
665                 if(file && !file->IsWritable()) file->Close(); delete file; file=0;
666                 return kFALSE;
667         }
668
669         file->cd();
670
671         //SetTreeToFile(entry, file);
672
673         entry->SetVersion(id.GetVersion());
674
675         // write object (key name: "AliCDBEntry")
676         Bool_t result = (file->WriteTObject(entry, "AliCDBEntry") != 0);
677         if (!result) AliError(Form("Can't write entry to file <%s>!", filename.Data()));
678
679
680         if (saveDir) saveDir->cd(); else gROOT->cd();
681         file->Close(); delete file; file=0;
682
683         if(result) {
684         
685                 if(!TagFileId(filename, &id)){
686                         AliInfo(Form("CDB tagging failed. Deleting file %s!",filename.Data()));
687                         if(!gGrid->Rm(filename.Data()))
688                                 AliError("Can't delete file!");
689                         return kFALSE;
690                 }
691
692                 TagFileMetaData(filename, entry->GetMetaData());
693         }
694
695         AliInfo(Form("CDB object stored into file %s", filename.Data()));
696         AliInfo(Form("Storage Element: %s", fSE.Data()));
697         return result;
698 }
699 //_____________________________________________________________________________
700 Bool_t AliCDBGrid::AddTag(TString& folderToTag, const char* tagname){
701 // add "tagname" tag (CDB or CDB_MD) to folder where object will be stored
702
703         Bool_t result = kTRUE;
704         AliDebug(2, Form("adding %s tag to folder %s", tagname, folderToTag.Data()));
705         TString addTag = Form("addTag %s %s", folderToTag.Data(), tagname);
706         TGridResult *gridres = gGrid->Command(addTag.Data());
707         const char* resCode = gridres->GetKey(0,"__result__"); // '1' if success
708         if(resCode[0] != '1') {
709                 AliError(Form("Couldn't add %s tags to folder %s !",
710                                                 tagname, folderToTag.Data()));
711                 result = kFALSE;
712         }
713         delete gridres;
714         return result;
715 }
716
717 //_____________________________________________________________________________
718 Bool_t AliCDBGrid::TagFileId(TString& filename, const AliCDBId* id){
719 // tag stored object in CDB table using object Id's parameters
720
721         TString addTagValue1 = Form("addTagValue %s CDB ", filename.Data());
722         TString addTagValue2 = Form("first_run=%d last_run=%d version=%d ",
723                                         id->GetFirstRun(),
724                                         id->GetLastRun(),
725                                         id->GetVersion());
726         TString addTagValue3 = Form("path_level_0=\"%s\" path_level_1=\"%s\" path_level_2=\"%s\"",
727                                         id->GetPathLevel(0).Data(),
728                                         id->GetPathLevel(1).Data(),
729                                         id->GetPathLevel(2).Data());
730         TString addTagValue = Form("%s%s%s",
731                                         addTagValue1.Data(),
732                                         addTagValue2.Data(),
733                                         addTagValue3.Data());
734
735         Bool_t result = kFALSE;
736         AliDebug(2, Form("Tagging file. Tag command: %s", addTagValue.Data()));
737         TGridResult* res = gGrid->Command(addTagValue.Data());
738         const char* resCode = res->GetKey(0,"__result__"); // '1' if success
739         if(resCode[0] != '1') {
740                 AliError(Form("Couldn't add CDB tag value to file %s !",
741                                                 filename.Data()));
742                 result = kFALSE;
743         } else {
744                 AliDebug(2, "Object successfully tagged.");
745                 result = kTRUE;
746         }
747         delete res;
748         return result;
749
750 }
751
752 //_____________________________________________________________________________
753 Bool_t AliCDBGrid::TagShortLived(TString& filename, Bool_t value){
754 // tag folder with ShortLived tag
755
756         TString addTagValue = Form("addTagValue %s ShortLived_try value=%d", filename.Data(), value);
757
758         Bool_t result = kFALSE;
759         AliDebug(2, Form("Tagging file. Tag command: %s", addTagValue.Data()));
760         TGridResult* res = gGrid->Command(addTagValue.Data());
761         const char* resCode = res->GetKey(0,"__result__"); // '1' if success
762         if(resCode[0] != '1') {
763                 AliError(Form("Couldn't add ShortLived tag value to file %s !", filename.Data()));
764                 result = kFALSE;
765         } else {
766                 AliDebug(2,"Object successfully tagged.");
767                 result = kTRUE;
768         }
769         delete res;
770         return result;
771
772 }
773
774 //_____________________________________________________________________________
775 Bool_t AliCDBGrid::TagFileMetaData(TString& filename, const AliCDBMetaData* md){
776 // tag stored object in CDB table using object Id's parameters
777
778         TString addTagValue1 = Form("addTagValue %s CDB_MD ", filename.Data());
779         TString addTagValue2 = Form("object_classname=\"%s\" responsible=\"%s\" beam_period=%d ",
780                                         md->GetObjectClassName(),
781                                         md->GetResponsible(),
782                                         md->GetBeamPeriod());
783         TString addTagValue3 = Form("aliroot_version=\"%s\" comment=\"%s\"",
784                                         md->GetAliRootVersion(),
785                                         md->GetComment());
786         TString addTagValue = Form("%s%s%s",
787                                         addTagValue1.Data(),
788                                         addTagValue2.Data(),
789                                         addTagValue3.Data());
790
791         Bool_t result = kFALSE;
792         AliDebug(2, Form("Tagging file. Tag command: %s", addTagValue.Data()));
793         TGridResult* res = gGrid->Command(addTagValue.Data());
794         const char* resCode = res->GetKey(0,"__result__"); // '1' if success
795         if(resCode[0] != '1') {
796                 AliWarning(Form("Couldn't add CDB_MD tag value to file %s !",
797                                                 filename.Data()));
798                 result = kFALSE;
799         } else {
800                 AliDebug(2,"Object successfully tagged.");
801                 result = kTRUE;
802         }
803         return result;
804 }
805
806 //_____________________________________________________________________________
807 TList* AliCDBGrid::GetIdListFromFile(const char* fileName){
808
809         TString turl(fileName);
810         turl.Prepend("/alien" + fDBFolder);
811         turl += "?se="; turl += fSE.Data();
812         TFile *file = TFile::Open(turl);
813         if (!file) {
814                 AliError(Form("Can't open selection file <%s>!", turl.Data()));
815                 return NULL;
816         }
817
818         TList *list = new TList();
819         list->SetOwner();
820         int i=0;
821         TString keycycle;
822
823         AliCDBId *id;
824         while(1){
825                 i++;
826                 keycycle = "AliCDBId;";
827                 keycycle+=i;
828                 
829                 id = (AliCDBId*) file->Get(keycycle);
830                 if(!id) break;
831                 list->AddFirst(id);
832         }
833         file->Close(); delete file; file=0;
834         
835         return list;
836
837
838 }
839
840 //_____________________________________________________________________________
841 Bool_t AliCDBGrid::Contains(const char* path) const{
842 // check for path in storage's DBFolder
843
844         TString initDir(gGrid->Pwd(0));
845         TString dirName(fDBFolder);
846         dirName += path; // dirName = fDBFolder/path
847         Bool_t result=kFALSE;
848         if (gGrid->Cd(dirName,0)) result=kTRUE;
849         gGrid->Cd(initDir.Data(),0);
850         return result;
851 }
852
853 //_____________________________________________________________________________
854 void AliCDBGrid::QueryValidFiles()
855 {
856 // Query the CDB for files valid for AliCDBStorage::fRun
857 // fills list fValidFileIds with AliCDBId objects created from file name
858
859         TString filter;
860         MakeQueryFilter(fRun, fRun, fMetaDataFilter, filter);
861
862         TString pattern = Form("%s/Run*", fPathFilter.GetPath().Data());
863         if(fVersion >= 0) pattern += Form("_v%d*", fVersion);
864         pattern += ".root";
865         AliDebug(2,Form("pattern: %s", pattern.Data()));
866
867         TGridResult *res = gGrid->Query(fDBFolder, pattern, filter, "");
868
869         if (!res) {
870                 AliError("Grid query failed");
871                 return;
872         }
873
874         AliCDBId validFileId;
875         for(int i=0; i<res->GetEntries(); i++){
876                 TString filename = res->GetKey(i, "lfn");
877                 if(filename == "") continue;
878                 AliDebug(2,Form("Found valid file: %s", filename.Data()));
879                 Bool_t result = FilenameToId(filename, validFileId);
880                 if(result) {
881                         fValidFileIds.AddLast(validFileId.Clone());
882                 }
883         }
884         delete res;
885
886 }
887
888 //_____________________________________________________________________________
889 void AliCDBGrid::MakeQueryFilter(Int_t firstRun, Int_t lastRun,
890                                         const AliCDBMetaData* md, TString& result) const
891 {
892 // create filter for file query
893
894         result = Form("CDB:first_run<=%d and CDB:last_run>=%d", firstRun, lastRun);
895
896 //      if(version >= 0) {
897 //              result += Form(" and CDB:version=%d", version);
898 //      }
899 //      if(pathFilter.GetLevel0() != "*") {
900 //              result += Form(" and CDB:path_level_0=\"%s\"", pathFilter.GetLevel0().Data());
901 //      }
902 //      if(pathFilter.GetLevel1() != "*") {
903 //              result += Form(" and CDB:path_level_1=\"%s\"", pathFilter.GetLevel1().Data());
904 //      }
905 //      if(pathFilter.GetLevel2() != "*") {
906 //              result += Form(" and CDB:path_level_2=\"%s\"", pathFilter.GetLevel2().Data());
907 //      }
908
909         if(md){
910                 if(md->GetObjectClassName()[0] != '\0') {
911                         result += Form(" and CDB_MD:object_classname=\"%s\"", md->GetObjectClassName());
912                 }
913                 if(md->GetResponsible()[0] != '\0') {
914                         result += Form(" and CDB_MD:responsible=\"%s\"", md->GetResponsible());
915                 }
916                 if(md->GetBeamPeriod() != 0) {
917                         result += Form(" and CDB_MD:beam_period=%d", md->GetBeamPeriod());
918                 }
919                 if(md->GetAliRootVersion()[0] != '\0') {
920                         result += Form(" and CDB_MD:aliroot_version=\"%s\"", md->GetAliRootVersion());
921                 }
922                 if(md->GetComment()[0] != '\0') {
923                         result += Form(" and CDB_MD:comment=\"%s\"", md->GetComment());
924                 }
925         }
926         AliDebug(2, Form("filter: %s",result.Data()));
927
928 }
929
930 //_____________________________________________________________________________
931 Int_t AliCDBGrid::GetLatestVersion(const char* path, Int_t run){
932 // get last version found in the database valid for run and path
933
934         AliCDBPath aCDBPath(path);
935         if(!aCDBPath.IsValid() || aCDBPath.IsWildcard()) {
936                 AliError(Form("Invalid path in request: %s", path));
937                 return -1;
938         }
939         AliCDBId query(path, run, run, -1, -1);
940         AliCDBId* dataId = 0;
941
942         // look for file matching query requests (path, runRange, version)
943         if(run == fRun && fPathFilter.Comprises(aCDBPath) && fVersion < 0){
944                 // look into list of valid files previously loaded with AliCDBStorage::FillValidFileIds()
945                 AliDebug(2, Form("List of files valid for run %d and for path %s was loaded. Looking there!",
946                                         run, path));
947                 dataId = GetId(fValidFileIds, query);
948                 if (!dataId) return -1;
949                 Int_t version = dataId->GetVersion();
950                 delete dataId;
951                 return version;
952
953         }
954         // List of files valid for reqested run was not loaded. Looking directly into CDB
955         AliDebug(2, Form("List of files valid for run %d and for path %s was not loaded. Looking directly into CDB!",
956                                 run, path));
957
958         TObjArray validFileIds;
959         validFileIds.SetOwner(1);
960
961         TString filter;
962         MakeQueryFilter(run, run, 0, filter);
963
964         TString pattern = Form("%s/Run*.root", path);
965         AliDebug(2,Form("pattern: %s", pattern.Data()));
966
967         TGridResult *res = gGrid->Query(fDBFolder, pattern, filter, "");
968         AliCDBId validFileId;
969         for(int i=0; i<res->GetEntries(); i++){
970                 TString filename = res->GetKey(i, "lfn");
971                 if(filename == "") continue;
972                 if(FilenameToId(filename, validFileId))
973                                 validFileIds.AddLast(validFileId.Clone());
974         }
975         delete res;
976
977         dataId = GetId(validFileIds, query);
978         if (!dataId) return -1;
979
980         Int_t version = dataId->GetVersion();
981         delete dataId;
982         return version;
983
984 }
985
986 //_____________________________________________________________________________
987 Int_t AliCDBGrid::GetLatestSubVersion(const char* /*path*/, Int_t /*run*/, Int_t /*version*/){
988 // get last subversion found in the database valid for run and path
989         AliError("Objects in GRID storage have no sub version!");
990         return -1;
991 }
992
993
994 /////////////////////////////////////////////////////////////////////////////////////////////////
995 //                                                                                             //
996 // AliCDBGrid factory                                                                          //
997 //                                                                                             //
998 /////////////////////////////////////////////////////////////////////////////////////////////////
999
1000 ClassImp(AliCDBGridFactory)
1001
1002 //_____________________________________________________________________________
1003 Bool_t AliCDBGridFactory::Validate(const char* gridString) {
1004 // check if the string is valid Grid URI
1005
1006         TRegexp gridPattern("^alien://.+$");
1007         TRegexp gridRawPattern("^raw://.+$");
1008
1009         return (TString(gridString).Contains(gridPattern)||TString(gridString).Contains(gridRawPattern));
1010 }
1011
1012 //_____________________________________________________________________________
1013 AliCDBParam* AliCDBGridFactory::CreateParameter(const char* gridString) {
1014 // create AliCDBGridParam class from the URI string
1015
1016         if (!Validate(gridString)) {
1017                 return NULL;
1018         }
1019
1020         TString buffer(gridString);
1021         Bool_t rawFlag = kFALSE; // flag to say whether we are in the "raw://" case
1022
1023         TString gridUrl         = "alien://";
1024         TString user            = "";
1025         TString dbFolder        = "";
1026         TString se              = "default";
1027         TString cacheFolder     = "";
1028         Bool_t  operateDisconnected = kTRUE;
1029         Long64_t cacheSize          = (UInt_t) 1024*1024*1024; // 1GB
1030         Long_t cleanupInterval      = 0;
1031
1032         TObjArray *arr = buffer.Tokenize('?');
1033         TIter iter(arr);
1034         TObjString *str = 0;
1035
1036         while((str = (TObjString*) iter.Next())){
1037                 TString entry(str->String());
1038                 Int_t indeq = entry.Index('=');
1039                 if(indeq == -1) {
1040                         if(entry.BeginsWith("alien://")) { // maybe it's a gridUrl!
1041                                 gridUrl = entry;
1042                                 continue;
1043                         } else if(entry.BeginsWith("raw://")) { // maybe it's a gridRawUrl!
1044                                 gridUrl = entry;
1045                                 rawFlag = kTRUE;
1046                                 continue;
1047                         } else {
1048                                 AliError(Form("Invalid entry! %s",entry.Data()));
1049                                 continue;
1050                         }
1051                 }
1052                 
1053                 TString key = entry(0,indeq);
1054                 TString value = entry(indeq+1,entry.Length()-indeq);
1055
1056                 if(key.Contains("grid",TString::kIgnoreCase)) {
1057                         gridUrl += value;
1058                 }
1059                 else if (key.Contains("user",TString::kIgnoreCase)){
1060                         user = value;
1061                 }
1062                 else if (key.Contains("se",TString::kIgnoreCase)){
1063                         se = value;
1064                 }
1065                 else if (key.Contains("cacheF",TString::kIgnoreCase)){
1066                         cacheFolder = value;
1067                         if (!cacheFolder.EndsWith("/"))
1068                                 cacheFolder += "/";
1069                 }
1070                 else if (key.Contains("folder",TString::kIgnoreCase)){
1071                         dbFolder = value;
1072                 }
1073                 else if (key.Contains("operateDisc",TString::kIgnoreCase)){
1074                         if(value == "kTRUE") {
1075                                 operateDisconnected = kTRUE;
1076                         } else if (value == "kFALSE") {
1077                                 operateDisconnected = kFALSE;
1078                         } else if (value == "0" || value == "1") {
1079                                 operateDisconnected = (Bool_t) value.Atoi();
1080                         } else {
1081                                 AliError(Form("Invalid entry! %s",entry.Data()));
1082                                 return NULL;
1083                         }
1084                 }
1085                 else if (key.Contains("cacheS",TString::kIgnoreCase)){
1086                         if(value.IsDigit()) {
1087                                 cacheSize = value.Atoi();
1088                         } else {
1089                                 AliError(Form("Invalid entry! %s",entry.Data()));
1090                                 return NULL;
1091                         }
1092                 }
1093                 else if (key.Contains("cleanupInt",TString::kIgnoreCase)){
1094                         if(value.IsDigit()) {
1095                                 cleanupInterval = value.Atoi();
1096                         } else {
1097                                 AliError(Form("Invalid entry! %s",entry.Data()));
1098                                 return NULL;
1099                         }
1100                 }
1101                 else{
1102                         AliError(Form("Invalid entry! %s",entry.Data()));
1103                         return NULL;
1104                 }
1105         }
1106         delete arr; arr=0;
1107
1108         AliDebug(2, Form("gridUrl:      %s", gridUrl.Data()));
1109         AliDebug(2, Form("user: %s", user.Data()));
1110         AliDebug(2, Form("dbFolder:     %s", dbFolder.Data()));
1111         AliDebug(2, Form("s.e.: %s", se.Data()));
1112         AliDebug(2, Form("local cache folder: %s", cacheFolder.Data()));
1113         AliDebug(2, Form("local cache operate disconnected: %d", operateDisconnected));
1114         AliDebug(2, Form("local cache size: %d", cacheSize));
1115         AliDebug(2, Form("local cache cleanup interval: %d", cleanupInterval));
1116
1117         if(dbFolder == "" && !rawFlag){
1118                 AliError("Base folder must be specified!");
1119                 return NULL;
1120         }
1121
1122         return new AliCDBGridParam(gridUrl.Data(), user.Data(),
1123                           dbFolder.Data(), se.Data(), cacheFolder.Data(),
1124                           operateDisconnected, cacheSize, cleanupInterval);
1125 }
1126
1127 //_____________________________________________________________________________
1128 AliCDBStorage* AliCDBGridFactory::Create(const AliCDBParam* param) {
1129 // create AliCDBGrid storage instance from parameters
1130         
1131         AliCDBGrid *grid = 0;
1132         if (AliCDBGridParam::Class() == param->IsA()) {
1133
1134                 const AliCDBGridParam* gridParam = (const AliCDBGridParam*) param;
1135                 grid = new AliCDBGrid(gridParam->GridUrl().Data(),
1136                                       gridParam->GetUser().Data(),
1137                                       gridParam->GetDBFolder().Data(),
1138                                       gridParam->GetSE().Data(),
1139                                       gridParam->GetCacheFolder().Data(),
1140                                       gridParam->GetOperateDisconnected(),
1141                                       gridParam->GetCacheSize(),
1142                                       gridParam->GetCleanupInterval());
1143
1144         }
1145
1146         if(!gGrid && grid) {
1147                 delete grid; grid=0;
1148         }
1149
1150         return grid;
1151 }
1152
1153 /////////////////////////////////////////////////////////////////////////////////////////////////
1154 //                                                                                             //
1155 // AliCDBGrid Parameter class                                                                  //                                         //
1156 //                                                                                             //
1157 /////////////////////////////////////////////////////////////////////////////////////////////////
1158
1159 ClassImp(AliCDBGridParam)
1160
1161 //_____________________________________________________________________________
1162 AliCDBGridParam::AliCDBGridParam():
1163  AliCDBParam(),
1164  fGridUrl(),
1165  fUser(),
1166  fDBFolder(),
1167  fSE(),
1168  fCacheFolder(),
1169  fOperateDisconnected(),
1170  fCacheSize(),
1171  fCleanupInterval()
1172
1173  {
1174 // default constructor
1175
1176 }
1177
1178 //_____________________________________________________________________________
1179 AliCDBGridParam::AliCDBGridParam(const char* gridUrl, const char* user, const char* dbFolder,
1180                                 const char* se, const char* cacheFolder, Bool_t operateDisconnected,
1181                                 Long64_t cacheSize, Long_t cleanupInterval):
1182  AliCDBParam(),
1183  fGridUrl(gridUrl),
1184  fUser(user),
1185  fDBFolder(dbFolder),
1186  fSE(se),
1187  fCacheFolder(cacheFolder),
1188  fOperateDisconnected(operateDisconnected),
1189  fCacheSize(cacheSize),
1190  fCleanupInterval(cleanupInterval)
1191 {
1192 // constructor
1193
1194         SetType("alien");
1195
1196         TString uri = Form("%s?User=%s?DBFolder=%s?SE=%s?CacheFolder=%s"
1197                         "?OperateDisconnected=%d?CacheSize=%d?CleanupInterval=%d",
1198                         fGridUrl.Data(), fUser.Data(),
1199                         fDBFolder.Data(), fSE.Data(), fCacheFolder.Data(),
1200                         fOperateDisconnected, fCacheSize, fCleanupInterval);
1201
1202         AliDebug(2,Form("uri = %s", uri.Data()));
1203         SetURI(uri.Data());
1204 }
1205
1206 //_____________________________________________________________________________
1207 AliCDBGridParam::~AliCDBGridParam() {
1208 // destructor
1209
1210 }
1211
1212 //_____________________________________________________________________________
1213 AliCDBParam* AliCDBGridParam::CloneParam() const {
1214 // clone parameter
1215
1216         return new AliCDBGridParam(fGridUrl.Data(), fUser.Data(),
1217                                         fDBFolder.Data(), fSE.Data(), fCacheFolder.Data(),
1218                                         fOperateDisconnected, fCacheSize, fCleanupInterval);
1219 }
1220
1221 //_____________________________________________________________________________
1222 ULong_t AliCDBGridParam::Hash() const {
1223 // return Hash function
1224
1225         return fGridUrl.Hash()+fUser.Hash()+fDBFolder.Hash()+fSE.Hash()+fCacheFolder.Hash();
1226 }
1227
1228 //_____________________________________________________________________________
1229 Bool_t AliCDBGridParam::IsEqual(const TObject* obj) const {
1230 // check if this object is equal to AliCDBParam obj
1231
1232         if (this == obj) {
1233                 return kTRUE;
1234         }
1235
1236         if (AliCDBGridParam::Class() != obj->IsA()) {
1237                 return kFALSE;
1238         }
1239
1240         AliCDBGridParam* other = (AliCDBGridParam*) obj;
1241
1242         if(fGridUrl != other->fGridUrl) return kFALSE;
1243         if(fUser != other->fUser) return kFALSE;
1244         if(fDBFolder != other->fDBFolder) return kFALSE;
1245         if(fSE != other->fSE) return kFALSE;
1246         if(fCacheFolder != other->fCacheFolder) return kFALSE;
1247         if(fOperateDisconnected != other->fOperateDisconnected) return kFALSE;
1248         if(fCacheSize != other->fCacheSize) return kFALSE;
1249         if(fCleanupInterval != other->fCleanupInterval) return kFALSE;
1250         return kTRUE;
1251 }
1252