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do not update GRP-like entries while allows the normal behaviour when copying cdb...
[u/mrichter/AliRoot.git] / STEER / AliCDBGrid.cxx
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         // in case of GRP-like objects, do not put them if it would update a per-run entry already in place
326         if ( id.GetVersion()==1 && (id.GetLastRun()-id.GetFirstRun()==0) && lastVersion!=0 && (lastRunRange.GetLastRun()-lastRunRange.GetFirstRun()==0)){
327                 AliWarning(Form("Not overwriting entry with %s", id.ToString().Data()));
328                 return kFALSE;
329         }
330
331         id.SetVersion(lastVersion + 1);
332         id.SetSubVersion(0);
333
334         TString lastStorage = id.GetLastStorage();
335         if(lastStorage.Contains(TString("new"), TString::kIgnoreCase) && id.GetVersion() > 1 ){
336                 AliDebug(2, Form("A NEW object is being stored with version %d",
337                                         id.GetVersion()));
338                 AliDebug(2, Form("and it will hide previously stored object with version %d!",
339                                         id.GetVersion()-1));
340         }
341
342         if(!lastRunRange.IsAnyRange() && !(lastRunRange.IsEqual(&id.GetAliCDBRunRange())))
343                 AliWarning(Form("Run range modified w.r.t. previous version (Run%d_%d_v%d)",
344                         lastRunRange.GetFirstRun(), lastRunRange.GetLastRun(), id.GetVersion()));
345
346         return kTRUE;
347 }
348
349 //_____________________________________________________________________________
350 AliCDBId* AliCDBGrid::GetId(const TObjArray& validFileIds, const AliCDBId& query) {
351 // look for the Id that matches query's requests (highest or exact version)
352
353         if(validFileIds.GetEntriesFast() < 1) {
354                 return NULL;
355         } else if (validFileIds.GetEntriesFast() == 1) {
356                 return dynamic_cast<AliCDBId*> (validFileIds.At(0)->Clone());
357         }
358
359         TIter iter(&validFileIds);
360
361         AliCDBId *anIdPtr=0;
362         AliCDBId* result=0;
363
364         while((anIdPtr = dynamic_cast<AliCDBId*> (iter.Next()))){
365                 if(anIdPtr->GetPath() != query.GetPath()) continue;
366
367                 //if(!CheckVersion(query, anIdPtr, result)) return NULL;
368
369                 if (!query.HasVersion()){ // look for highest version
370                         if(result && result->GetVersion() > anIdPtr->GetVersion()) continue;
371                         if(result && result->GetVersion() == anIdPtr->GetVersion()) {
372                                 AliError(Form("More than one object valid for run %d, version %d!",
373                                         query.GetFirstRun(), anIdPtr->GetVersion()));
374                                 return NULL;
375                         }
376                         result = anIdPtr;
377                 } else { // look for specified version
378                         if(query.GetVersion() != anIdPtr->GetVersion()) continue;
379                         if(result && result->GetVersion() == anIdPtr->GetVersion()){
380                                 AliError(Form("More than one object valid for run %d, version %d!",
381                                         query.GetFirstRun(), anIdPtr->GetVersion()));
382                                 return NULL;
383                         }
384                         result = anIdPtr;
385                 }
386
387         }
388         
389         if (!result) return NULL;
390
391         return dynamic_cast<AliCDBId*> (result->Clone());
392 }
393
394 //_____________________________________________________________________________
395 AliCDBId* AliCDBGrid::GetEntryId(const AliCDBId& queryId) {
396 // get AliCDBId from the database
397 // User must delete returned object
398
399         AliCDBId* dataId=0;
400
401         AliCDBId selectedId(queryId);
402         if (!selectedId.HasVersion()) {
403                 // if version is not specified, first check the selection criteria list
404                 GetSelection(&selectedId);
405         }
406
407         TObjArray validFileIds;
408         validFileIds.SetOwner(1);
409
410         // look for file matching query requests (path, runRange, version)
411         if(selectedId.GetFirstRun() == fRun &&
412                         fPathFilter.Comprises(selectedId.GetAliCDBPath()) && fVersion < 0 && !fMetaDataFilter){
413                 // look into list of valid files previously loaded with AliCDBStorage::FillValidFileIds()
414                 AliDebug(2, Form("List of files valid for run %d and for path %s was loaded. Looking there!",
415                                         selectedId.GetFirstRun(), selectedId.GetPath().Data()));
416                 dataId = GetId(fValidFileIds, selectedId);
417
418         } else {
419                 // List of files valid for reqested run was not loaded. Looking directly into CDB
420                 AliDebug(2, Form("List of files valid for run %d and for path %s was not loaded. Looking directly into CDB!",
421                                         selectedId.GetFirstRun(), selectedId.GetPath().Data()));
422
423                 TString filter;
424                 MakeQueryFilter(selectedId.GetFirstRun(), selectedId.GetLastRun(), 0, filter);
425
426                 TString pattern = Form("%s/Run*", selectedId.GetPath().Data());
427                 if(selectedId.GetVersion() >= 0) pattern += Form("_v%d*",selectedId.GetVersion());
428                 pattern += ".root";
429                 AliDebug(2,Form("pattern: %s", pattern.Data()));
430
431                 TGridResult *res = gGrid->Query(fDBFolder, pattern, filter, "");
432                 if (res) {
433                         AliCDBId validFileId;
434                         for(int i=0; i<res->GetEntries(); i++){
435                                 TString filename = res->GetKey(i, "lfn");
436                                 if(filename == "") continue;
437                                 if(FilenameToId(filename, validFileId))
438                                                 validFileIds.AddLast(validFileId.Clone());
439                         }
440                         delete res;
441                 }       
442                 dataId = GetId(validFileIds, selectedId);
443         }
444
445         return dataId;
446 }
447
448 //_____________________________________________________________________________
449 AliCDBEntry* AliCDBGrid::GetEntry(const AliCDBId& queryId) {
450 // get AliCDBEntry from the database
451
452         AliCDBId* dataId = GetEntryId(queryId);
453
454         if (!dataId) return NULL;
455
456         TString filename;
457         if (!IdToFilename(*dataId, filename)) {
458                 AliDebug(2,Form("Bad data ID encountered! Subnormal error!"));
459                 delete dataId;
460                 return NULL;
461         }
462
463         AliCDBEntry* anEntry = GetEntryFromFile(filename, dataId);
464
465         delete dataId;
466         return anEntry;
467 }
468
469 //_____________________________________________________________________________
470 AliCDBEntry* AliCDBGrid::GetEntryFromFile(TString& filename, AliCDBId* dataId){
471 // Get AliCBEntry object from file "filename"
472
473         AliDebug(2,Form("Opening file: %s",filename.Data()));
474
475         filename.Prepend("/alien");
476
477         // if option="CACHEREAD" TFile will use the local caching facility!
478         TString option="READ";
479         if(fCacheFolder != ""){
480
481                 // Check if local cache folder was changed in the meanwhile
482                 TString origCache(TFile::GetCacheFileDir());
483                 if(fCacheFolder != origCache) {
484                         AliWarning(Form("Local cache folder has been overwritten!! fCacheFolder = %s origCache = %s",
485                                         fCacheFolder.Data(), origCache.Data()));
486                         TFile::SetCacheFileDir(fCacheFolder.Data(), fOperateDisconnected);
487                         TFile::ShrinkCacheFileDir(fCacheSize, fCleanupInterval);
488                 }
489
490                 option.Prepend("CACHE");
491         }
492
493         AliDebug(2, Form("Option: %s", option.Data()));
494
495         TFile *file = TFile::Open(filename, option);
496         if (!file) {
497                 AliDebug(2,Form("Can't open file <%s>!", filename.Data()));
498                 return NULL;
499         }
500
501         // get the only AliCDBEntry object from the file
502         // the object in the file is an AliCDBEntry entry named "AliCDBEntry"
503
504         AliCDBEntry* anEntry = dynamic_cast<AliCDBEntry*> (file->Get("AliCDBEntry"));
505
506         if (!anEntry) {
507                 AliDebug(2,Form("Bad storage data: file does not contain an AliCDBEntry object!"));
508                 file->Close();
509                 return NULL;
510         }
511
512         // The object's Id is not reset during storage
513         // If object's Id runRange or version do not match with filename,
514         // it means that someone renamed file by hand. In this case a warning msg is issued.
515
516         if(anEntry){
517                 AliCDBId entryId = anEntry->GetId();
518                 Int_t tmpSubVersion = dataId->GetSubVersion();
519                 dataId->SetSubVersion(entryId.GetSubVersion()); // otherwise filename and id may mismatch
520                 if(!entryId.IsEqual(dataId)){
521                         AliWarning(Form("Mismatch between file name and object's Id!"));
522                         AliWarning(Form("File name: %s", dataId->ToString().Data()));
523                         AliWarning(Form("Object's Id: %s", entryId.ToString().Data()));
524                 }
525                 dataId->SetSubVersion(tmpSubVersion);
526         }
527
528         anEntry->SetLastStorage("grid");
529
530         // Check whether entry contains a TTree. In case load the tree in memory!
531         LoadTreeFromFile(anEntry);
532
533         // close file, return retieved entry
534         file->Close(); delete file; file=0;
535
536         return anEntry;
537 }
538
539 //_____________________________________________________________________________
540 TList* AliCDBGrid::GetEntries(const AliCDBId& queryId) {
541 // multiple request (AliCDBStorage::GetAll)
542
543         TList* result = new TList();
544         result->SetOwner();
545
546         TObjArray validFileIds;
547         validFileIds.SetOwner(1);
548
549         Bool_t alreadyLoaded = kFALSE;
550
551         // look for file matching query requests (path, runRange)
552         if(queryId.GetFirstRun() == fRun &&
553                         fPathFilter.Comprises(queryId.GetAliCDBPath()) && fVersion < 0 && !fMetaDataFilter){
554                 // look into list of valid files previously loaded with AliCDBStorage::FillValidFileIds()
555                 AliDebug(2,Form("List of files valid for run %d and for path %s was loaded. Looking there!",
556                                         queryId.GetFirstRun(), queryId.GetPath().Data()));
557
558                 alreadyLoaded = kTRUE;
559
560         } else {
561                 // List of files valid for reqested run was not loaded. Looking directly into CDB
562                 AliDebug(2,Form("List of files valid for run %d and for path %s was not loaded. Looking directly into CDB!",
563                                         queryId.GetFirstRun(), queryId.GetPath().Data()));
564
565                 TString filter;
566                 MakeQueryFilter(queryId.GetFirstRun(), queryId.GetLastRun(), 0, filter);
567
568                 TString pattern = Form("%s/Run*.root", queryId.GetPath().Data());
569                 AliDebug(2,Form("pattern: %s", pattern.Data()));
570
571                 TGridResult *res = gGrid->Query(fDBFolder, pattern, filter, "");
572
573                 AliCDBId validFileId;
574                 for(int i=0; i<res->GetEntries(); i++){
575                         TString filename = res->GetKey(i, "lfn");
576                         if(filename == "") continue;
577                         if(FilenameToId(filename, validFileId))
578                                         validFileIds.AddLast(validFileId.Clone());
579                 }
580                 delete res;
581         }
582
583         TIter *iter=0;
584         if(alreadyLoaded){
585                 iter = new TIter(&fValidFileIds);
586         } else {
587                 iter = new TIter(&validFileIds);
588         }
589
590         TObjArray selectedIds;
591         selectedIds.SetOwner(1);
592
593         // loop on list of valid Ids to select the right version to get.
594         // According to query and to the selection criteria list, version can be the highest or exact
595         AliCDBPath pathCopy;
596         AliCDBId* anIdPtr=0;
597         AliCDBId* dataId=0;
598         AliCDBPath queryPath = queryId.GetAliCDBPath();
599         while((anIdPtr = dynamic_cast<AliCDBId*> (iter->Next()))){
600                 AliCDBPath thisCDBPath = anIdPtr->GetAliCDBPath();
601                 if(!(queryPath.Comprises(thisCDBPath)) || pathCopy.GetPath() == thisCDBPath.GetPath()) continue;
602                 pathCopy = thisCDBPath;
603
604                 // check the selection criteria list for this query
605                 AliCDBId thisId(*anIdPtr);
606                 thisId.SetVersion(queryId.GetVersion());
607                 if(!thisId.HasVersion()) GetSelection(&thisId);
608
609                 if(alreadyLoaded){
610                         dataId = GetId(fValidFileIds, thisId);
611                 } else {
612                         dataId = GetId(validFileIds, thisId);
613                 }
614                 if(dataId) selectedIds.Add(dataId);
615         }
616
617         delete iter; iter=0;
618
619         // selectedIds contains the Ids of the files matching all requests of query!
620         // All the objects are now ready to be retrieved
621         iter = new TIter(&selectedIds);
622         while((anIdPtr = dynamic_cast<AliCDBId*> (iter->Next()))){
623                 TString filename;
624                 if (!IdToFilename(*anIdPtr, filename)) {
625                         AliDebug(2,Form("Bad data ID encountered! Subnormal error!"));
626                         continue;
627                 }
628
629                 AliCDBEntry* anEntry = GetEntryFromFile(filename, anIdPtr);
630
631                 if(anEntry) result->Add(anEntry);
632
633         }
634         delete iter; iter=0;
635
636         return result;
637 }
638
639 //_____________________________________________________________________________
640 Bool_t AliCDBGrid::PutEntry(AliCDBEntry* entry) {
641 // put an AliCDBEntry object into the database
642
643         AliCDBId& id = entry->GetId();
644
645         // set version for the entry to be stored
646         if (!PrepareId(id)) return kFALSE;
647
648         // build filename from entry's id
649         TString filename;
650         if (!IdToFilename(id, filename)) {
651                 AliError("Bad ID encountered! Subnormal error!");
652                 return kFALSE;
653         }
654
655         TString folderToTag = Form("%s%s",
656                                         fDBFolder.Data(),
657                                         id.GetPath().Data());
658
659         TDirectory* saveDir = gDirectory;
660
661         TString fullFilename = Form("/alien%s", filename.Data());
662         // specify SE to filename
663         if (fSE != "default") fullFilename += Form("?se=%s",fSE.Data());
664
665         // open file
666         TFile *file = TFile::Open(fullFilename,"CREATE");
667         if(!file || !file->IsWritable()){
668                 AliError(Form("Can't open file <%s>!", filename.Data()));
669                 if(file && !file->IsWritable()) file->Close(); delete file; file=0;
670                 return kFALSE;
671         }
672
673         file->cd();
674
675         //SetTreeToFile(entry, file);
676
677         entry->SetVersion(id.GetVersion());
678
679         // write object (key name: "AliCDBEntry")
680         Bool_t result = (file->WriteTObject(entry, "AliCDBEntry") != 0);
681         if (!result) AliError(Form("Can't write entry to file <%s>!", filename.Data()));
682
683
684         if (saveDir) saveDir->cd(); else gROOT->cd();
685         file->Close(); delete file; file=0;
686
687         if(result) {
688         
689                 if(!TagFileId(filename, &id)){
690                         AliInfo(Form("CDB tagging failed. Deleting file %s!",filename.Data()));
691                         if(!gGrid->Rm(filename.Data()))
692                                 AliError("Can't delete file!");
693                         return kFALSE;
694                 }
695
696                 TagFileMetaData(filename, entry->GetMetaData());
697         }
698
699         AliInfo(Form("CDB object stored into file %s", filename.Data()));
700         AliInfo(Form("Storage Element: %s", fSE.Data()));
701         return result;
702 }
703 //_____________________________________________________________________________
704 Bool_t AliCDBGrid::AddTag(TString& folderToTag, const char* tagname){
705 // add "tagname" tag (CDB or CDB_MD) to folder where object will be stored
706
707         Bool_t result = kTRUE;
708         AliDebug(2, Form("adding %s tag to folder %s", tagname, folderToTag.Data()));
709         TString addTag = Form("addTag %s %s", folderToTag.Data(), tagname);
710         TGridResult *gridres = gGrid->Command(addTag.Data());
711         const char* resCode = gridres->GetKey(0,"__result__"); // '1' if success
712         if(resCode[0] != '1') {
713                 AliError(Form("Couldn't add %s tags to folder %s !",
714                                                 tagname, folderToTag.Data()));
715                 result = kFALSE;
716         }
717         delete gridres;
718         return result;
719 }
720
721 //_____________________________________________________________________________
722 Bool_t AliCDBGrid::TagFileId(TString& filename, const AliCDBId* id){
723 // tag stored object in CDB table using object Id's parameters
724
725         TString addTagValue1 = Form("addTagValue %s CDB ", filename.Data());
726         TString addTagValue2 = Form("first_run=%d last_run=%d version=%d ",
727                                         id->GetFirstRun(),
728                                         id->GetLastRun(),
729                                         id->GetVersion());
730         TString addTagValue3 = Form("path_level_0=\"%s\" path_level_1=\"%s\" path_level_2=\"%s\"",
731                                         id->GetPathLevel(0).Data(),
732                                         id->GetPathLevel(1).Data(),
733                                         id->GetPathLevel(2).Data());
734         TString addTagValue = Form("%s%s%s",
735                                         addTagValue1.Data(),
736                                         addTagValue2.Data(),
737                                         addTagValue3.Data());
738
739         Bool_t result = kFALSE;
740         AliDebug(2, Form("Tagging file. Tag command: %s", addTagValue.Data()));
741         TGridResult* res = gGrid->Command(addTagValue.Data());
742         const char* resCode = res->GetKey(0,"__result__"); // '1' if success
743         if(resCode[0] != '1') {
744                 AliError(Form("Couldn't add CDB tag value to file %s !",
745                                                 filename.Data()));
746                 result = kFALSE;
747         } else {
748                 AliDebug(2, "Object successfully tagged.");
749                 result = kTRUE;
750         }
751         delete res;
752         return result;
753
754 }
755
756 //_____________________________________________________________________________
757 Bool_t AliCDBGrid::TagShortLived(TString& filename, Bool_t value){
758 // tag folder with ShortLived tag
759
760         TString addTagValue = Form("addTagValue %s ShortLived_try value=%d", filename.Data(), value);
761
762         Bool_t result = kFALSE;
763         AliDebug(2, Form("Tagging file. Tag command: %s", addTagValue.Data()));
764         TGridResult* res = gGrid->Command(addTagValue.Data());
765         const char* resCode = res->GetKey(0,"__result__"); // '1' if success
766         if(resCode[0] != '1') {
767                 AliError(Form("Couldn't add ShortLived tag value to file %s !", filename.Data()));
768                 result = kFALSE;
769         } else {
770                 AliDebug(2,"Object successfully tagged.");
771                 result = kTRUE;
772         }
773         delete res;
774         return result;
775
776 }
777
778 //_____________________________________________________________________________
779 Bool_t AliCDBGrid::TagFileMetaData(TString& filename, const AliCDBMetaData* md){
780 // tag stored object in CDB table using object Id's parameters
781
782         TString addTagValue1 = Form("addTagValue %s CDB_MD ", filename.Data());
783         TString addTagValue2 = Form("object_classname=\"%s\" responsible=\"%s\" beam_period=%d ",
784                                         md->GetObjectClassName(),
785                                         md->GetResponsible(),
786                                         md->GetBeamPeriod());
787         TString addTagValue3 = Form("aliroot_version=\"%s\" comment=\"%s\"",
788                                         md->GetAliRootVersion(),
789                                         md->GetComment());
790         TString addTagValue = Form("%s%s%s",
791                                         addTagValue1.Data(),
792                                         addTagValue2.Data(),
793                                         addTagValue3.Data());
794
795         Bool_t result = kFALSE;
796         AliDebug(2, Form("Tagging file. Tag command: %s", addTagValue.Data()));
797         TGridResult* res = gGrid->Command(addTagValue.Data());
798         const char* resCode = res->GetKey(0,"__result__"); // '1' if success
799         if(resCode[0] != '1') {
800                 AliWarning(Form("Couldn't add CDB_MD tag value to file %s !",
801                                                 filename.Data()));
802                 result = kFALSE;
803         } else {
804                 AliDebug(2,"Object successfully tagged.");
805                 result = kTRUE;
806         }
807         return result;
808 }
809
810 //_____________________________________________________________________________
811 TList* AliCDBGrid::GetIdListFromFile(const char* fileName){
812
813         TString turl(fileName);
814         turl.Prepend("/alien" + fDBFolder);
815         turl += "?se="; turl += fSE.Data();
816         TFile *file = TFile::Open(turl);
817         if (!file) {
818                 AliError(Form("Can't open selection file <%s>!", turl.Data()));
819                 return NULL;
820         }
821
822         TList *list = new TList();
823         list->SetOwner();
824         int i=0;
825         TString keycycle;
826
827         AliCDBId *id;
828         while(1){
829                 i++;
830                 keycycle = "AliCDBId;";
831                 keycycle+=i;
832                 
833                 id = (AliCDBId*) file->Get(keycycle);
834                 if(!id) break;
835                 list->AddFirst(id);
836         }
837         file->Close(); delete file; file=0;
838         
839         return list;
840
841
842 }
843
844 //_____________________________________________________________________________
845 Bool_t AliCDBGrid::Contains(const char* path) const{
846 // check for path in storage's DBFolder
847
848         TString initDir(gGrid->Pwd(0));
849         TString dirName(fDBFolder);
850         dirName += path; // dirName = fDBFolder/path
851         Bool_t result=kFALSE;
852         if (gGrid->Cd(dirName,0)) result=kTRUE;
853         gGrid->Cd(initDir.Data(),0);
854         return result;
855 }
856
857 //_____________________________________________________________________________
858 void AliCDBGrid::QueryValidFiles()
859 {
860 // Query the CDB for files valid for AliCDBStorage::fRun
861 // fills list fValidFileIds with AliCDBId objects created from file name
862
863         TString filter;
864         MakeQueryFilter(fRun, fRun, fMetaDataFilter, filter);
865
866         TString pattern = Form("%s/Run*", fPathFilter.GetPath().Data());
867         if(fVersion >= 0) pattern += Form("_v%d*", fVersion);
868         pattern += ".root";
869         AliDebug(2,Form("pattern: %s", pattern.Data()));
870
871         TGridResult *res = gGrid->Query(fDBFolder, pattern, filter, "");
872
873         if (!res) {
874                 AliError("Grid query failed");
875                 return;
876         }
877
878         AliCDBId validFileId;
879         for(int i=0; i<res->GetEntries(); i++){
880                 TString filename = res->GetKey(i, "lfn");
881                 if(filename == "") continue;
882                 AliDebug(2,Form("Found valid file: %s", filename.Data()));
883                 Bool_t result = FilenameToId(filename, validFileId);
884                 if(result) {
885                         fValidFileIds.AddLast(validFileId.Clone());
886                 }
887         }
888         delete res;
889
890 }
891
892 //_____________________________________________________________________________
893 void AliCDBGrid::MakeQueryFilter(Int_t firstRun, Int_t lastRun,
894                                         const AliCDBMetaData* md, TString& result) const
895 {
896 // create filter for file query
897
898         result = Form("CDB:first_run<=%d and CDB:last_run>=%d", firstRun, lastRun);
899
900 //      if(version >= 0) {
901 //              result += Form(" and CDB:version=%d", version);
902 //      }
903 //      if(pathFilter.GetLevel0() != "*") {
904 //              result += Form(" and CDB:path_level_0=\"%s\"", pathFilter.GetLevel0().Data());
905 //      }
906 //      if(pathFilter.GetLevel1() != "*") {
907 //              result += Form(" and CDB:path_level_1=\"%s\"", pathFilter.GetLevel1().Data());
908 //      }
909 //      if(pathFilter.GetLevel2() != "*") {
910 //              result += Form(" and CDB:path_level_2=\"%s\"", pathFilter.GetLevel2().Data());
911 //      }
912
913         if(md){
914                 if(md->GetObjectClassName()[0] != '\0') {
915                         result += Form(" and CDB_MD:object_classname=\"%s\"", md->GetObjectClassName());
916                 }
917                 if(md->GetResponsible()[0] != '\0') {
918                         result += Form(" and CDB_MD:responsible=\"%s\"", md->GetResponsible());
919                 }
920                 if(md->GetBeamPeriod() != 0) {
921                         result += Form(" and CDB_MD:beam_period=%d", md->GetBeamPeriod());
922                 }
923                 if(md->GetAliRootVersion()[0] != '\0') {
924                         result += Form(" and CDB_MD:aliroot_version=\"%s\"", md->GetAliRootVersion());
925                 }
926                 if(md->GetComment()[0] != '\0') {
927                         result += Form(" and CDB_MD:comment=\"%s\"", md->GetComment());
928                 }
929         }
930         AliDebug(2, Form("filter: %s",result.Data()));
931
932 }
933
934 //_____________________________________________________________________________
935 Int_t AliCDBGrid::GetLatestVersion(const char* path, Int_t run){
936 // get last version found in the database valid for run and path
937
938         AliCDBPath aCDBPath(path);
939         if(!aCDBPath.IsValid() || aCDBPath.IsWildcard()) {
940                 AliError(Form("Invalid path in request: %s", path));
941                 return -1;
942         }
943         AliCDBId query(path, run, run, -1, -1);
944         AliCDBId* dataId = 0;
945
946         // look for file matching query requests (path, runRange, version)
947         if(run == fRun && fPathFilter.Comprises(aCDBPath) && fVersion < 0){
948                 // look into list of valid files previously loaded with AliCDBStorage::FillValidFileIds()
949                 AliDebug(2, Form("List of files valid for run %d and for path %s was loaded. Looking there!",
950                                         run, path));
951                 dataId = GetId(fValidFileIds, query);
952                 if (!dataId) return -1;
953                 Int_t version = dataId->GetVersion();
954                 delete dataId;
955                 return version;
956
957         }
958         // List of files valid for reqested run was not loaded. Looking directly into CDB
959         AliDebug(2, Form("List of files valid for run %d and for path %s was not loaded. Looking directly into CDB!",
960                                 run, path));
961
962         TObjArray validFileIds;
963         validFileIds.SetOwner(1);
964
965         TString filter;
966         MakeQueryFilter(run, run, 0, filter);
967
968         TString pattern = Form("%s/Run*.root", path);
969         AliDebug(2,Form("pattern: %s", pattern.Data()));
970
971         TGridResult *res = gGrid->Query(fDBFolder, pattern, filter, "");
972         AliCDBId validFileId;
973         for(int i=0; i<res->GetEntries(); i++){
974                 TString filename = res->GetKey(i, "lfn");
975                 if(filename == "") continue;
976                 if(FilenameToId(filename, validFileId))
977                                 validFileIds.AddLast(validFileId.Clone());
978         }
979         delete res;
980
981         dataId = GetId(validFileIds, query);
982         if (!dataId) return -1;
983
984         Int_t version = dataId->GetVersion();
985         delete dataId;
986         return version;
987
988 }
989
990 //_____________________________________________________________________________
991 Int_t AliCDBGrid::GetLatestSubVersion(const char* /*path*/, Int_t /*run*/, Int_t /*version*/){
992 // get last subversion found in the database valid for run and path
993         AliError("Objects in GRID storage have no sub version!");
994         return -1;
995 }
996
997
998 /////////////////////////////////////////////////////////////////////////////////////////////////
999 //                                                                                             //
1000 // AliCDBGrid factory                                                                          //
1001 //                                                                                             //
1002 /////////////////////////////////////////////////////////////////////////////////////////////////
1003
1004 ClassImp(AliCDBGridFactory)
1005
1006 //_____________________________________________________________________________
1007 Bool_t AliCDBGridFactory::Validate(const char* gridString) {
1008 // check if the string is valid Grid URI
1009
1010         TRegexp gridPattern("^alien://.+$");
1011         TRegexp gridRawPattern("^raw://.+$");
1012
1013         return (TString(gridString).Contains(gridPattern)||TString(gridString).Contains(gridRawPattern));
1014 }
1015
1016 //_____________________________________________________________________________
1017 AliCDBParam* AliCDBGridFactory::CreateParameter(const char* gridString) {
1018 // create AliCDBGridParam class from the URI string
1019
1020         if (!Validate(gridString)) {
1021                 return NULL;
1022         }
1023
1024         TString buffer(gridString);
1025         Bool_t rawFlag = kFALSE; // flag to say whether we are in the "raw://" case
1026
1027         TString gridUrl         = "alien://";
1028         TString user            = "";
1029         TString dbFolder        = "";
1030         TString se              = "default";
1031         TString cacheFolder     = "";
1032         Bool_t  operateDisconnected = kTRUE;
1033         Long64_t cacheSize          = (UInt_t) 1024*1024*1024; // 1GB
1034         Long_t cleanupInterval      = 0;
1035
1036         TObjArray *arr = buffer.Tokenize('?');
1037         TIter iter(arr);
1038         TObjString *str = 0;
1039
1040         while((str = (TObjString*) iter.Next())){
1041                 TString entry(str->String());
1042                 Int_t indeq = entry.Index('=');
1043                 if(indeq == -1) {
1044                         if(entry.BeginsWith("alien://")) { // maybe it's a gridUrl!
1045                                 gridUrl = entry;
1046                                 continue;
1047                         } else if(entry.BeginsWith("raw://")) { // maybe it's a gridRawUrl!
1048                                 gridUrl = entry;
1049                                 rawFlag = kTRUE;
1050                                 continue;
1051                         } else {
1052                                 AliError(Form("Invalid entry! %s",entry.Data()));
1053                                 continue;
1054                         }
1055                 }
1056                 
1057                 TString key = entry(0,indeq);
1058                 TString value = entry(indeq+1,entry.Length()-indeq);
1059
1060                 if(key.Contains("grid",TString::kIgnoreCase)) {
1061                         gridUrl += value;
1062                 }
1063                 else if (key.Contains("user",TString::kIgnoreCase)){
1064                         user = value;
1065                 }
1066                 else if (key.Contains("se",TString::kIgnoreCase)){
1067                         se = value;
1068                 }
1069                 else if (key.Contains("cacheF",TString::kIgnoreCase)){
1070                         cacheFolder = value;
1071                         if (!cacheFolder.EndsWith("/"))
1072                                 cacheFolder += "/";
1073                 }
1074                 else if (key.Contains("folder",TString::kIgnoreCase)){
1075                         dbFolder = value;
1076                 }
1077                 else if (key.Contains("operateDisc",TString::kIgnoreCase)){
1078                         if(value == "kTRUE") {
1079                                 operateDisconnected = kTRUE;
1080                         } else if (value == "kFALSE") {
1081                                 operateDisconnected = kFALSE;
1082                         } else if (value == "0" || value == "1") {
1083                                 operateDisconnected = (Bool_t) value.Atoi();
1084                         } else {
1085                                 AliError(Form("Invalid entry! %s",entry.Data()));
1086                                 return NULL;
1087                         }
1088                 }
1089                 else if (key.Contains("cacheS",TString::kIgnoreCase)){
1090                         if(value.IsDigit()) {
1091                                 cacheSize = value.Atoi();
1092                         } else {
1093                                 AliError(Form("Invalid entry! %s",entry.Data()));
1094                                 return NULL;
1095                         }
1096                 }
1097                 else if (key.Contains("cleanupInt",TString::kIgnoreCase)){
1098                         if(value.IsDigit()) {
1099                                 cleanupInterval = value.Atoi();
1100                         } else {
1101                                 AliError(Form("Invalid entry! %s",entry.Data()));
1102                                 return NULL;
1103                         }
1104                 }
1105                 else{
1106                         AliError(Form("Invalid entry! %s",entry.Data()));
1107                         return NULL;
1108                 }
1109         }
1110         delete arr; arr=0;
1111
1112         AliDebug(2, Form("gridUrl:      %s", gridUrl.Data()));
1113         AliDebug(2, Form("user: %s", user.Data()));
1114         AliDebug(2, Form("dbFolder:     %s", dbFolder.Data()));
1115         AliDebug(2, Form("s.e.: %s", se.Data()));
1116         AliDebug(2, Form("local cache folder: %s", cacheFolder.Data()));
1117         AliDebug(2, Form("local cache operate disconnected: %d", operateDisconnected));
1118         AliDebug(2, Form("local cache size: %d", cacheSize));
1119         AliDebug(2, Form("local cache cleanup interval: %d", cleanupInterval));
1120
1121         if(dbFolder == "" && !rawFlag){
1122                 AliError("Base folder must be specified!");
1123                 return NULL;
1124         }
1125
1126         return new AliCDBGridParam(gridUrl.Data(), user.Data(),
1127                           dbFolder.Data(), se.Data(), cacheFolder.Data(),
1128                           operateDisconnected, cacheSize, cleanupInterval);
1129 }
1130
1131 //_____________________________________________________________________________
1132 AliCDBStorage* AliCDBGridFactory::Create(const AliCDBParam* param) {
1133 // create AliCDBGrid storage instance from parameters
1134         
1135         AliCDBGrid *grid = 0;
1136         if (AliCDBGridParam::Class() == param->IsA()) {
1137
1138                 const AliCDBGridParam* gridParam = (const AliCDBGridParam*) param;
1139                 grid = new AliCDBGrid(gridParam->GridUrl().Data(),
1140                                       gridParam->GetUser().Data(),
1141                                       gridParam->GetDBFolder().Data(),
1142                                       gridParam->GetSE().Data(),
1143                                       gridParam->GetCacheFolder().Data(),
1144                                       gridParam->GetOperateDisconnected(),
1145                                       gridParam->GetCacheSize(),
1146                                       gridParam->GetCleanupInterval());
1147
1148         }
1149
1150         if(!gGrid && grid) {
1151                 delete grid; grid=0;
1152         }
1153
1154         return grid;
1155 }
1156
1157 /////////////////////////////////////////////////////////////////////////////////////////////////
1158 //                                                                                             //
1159 // AliCDBGrid Parameter class                                                                  //                                         //
1160 //                                                                                             //
1161 /////////////////////////////////////////////////////////////////////////////////////////////////
1162
1163 ClassImp(AliCDBGridParam)
1164
1165 //_____________________________________________________________________________
1166 AliCDBGridParam::AliCDBGridParam():
1167  AliCDBParam(),
1168  fGridUrl(),
1169  fUser(),
1170  fDBFolder(),
1171  fSE(),
1172  fCacheFolder(),
1173  fOperateDisconnected(),
1174  fCacheSize(),
1175  fCleanupInterval()
1176
1177  {
1178 // default constructor
1179
1180 }
1181
1182 //_____________________________________________________________________________
1183 AliCDBGridParam::AliCDBGridParam(const char* gridUrl, const char* user, const char* dbFolder,
1184                                 const char* se, const char* cacheFolder, Bool_t operateDisconnected,
1185                                 Long64_t cacheSize, Long_t cleanupInterval):
1186  AliCDBParam(),
1187  fGridUrl(gridUrl),
1188  fUser(user),
1189  fDBFolder(dbFolder),
1190  fSE(se),
1191  fCacheFolder(cacheFolder),
1192  fOperateDisconnected(operateDisconnected),
1193  fCacheSize(cacheSize),
1194  fCleanupInterval(cleanupInterval)
1195 {
1196 // constructor
1197
1198         SetType("alien");
1199
1200         TString uri = Form("%s?User=%s?DBFolder=%s?SE=%s?CacheFolder=%s"
1201                         "?OperateDisconnected=%d?CacheSize=%d?CleanupInterval=%d",
1202                         fGridUrl.Data(), fUser.Data(),
1203                         fDBFolder.Data(), fSE.Data(), fCacheFolder.Data(),
1204                         fOperateDisconnected, fCacheSize, fCleanupInterval);
1205
1206         AliDebug(2,Form("uri = %s", uri.Data()));
1207         SetURI(uri.Data());
1208 }
1209
1210 //_____________________________________________________________________________
1211 AliCDBGridParam::~AliCDBGridParam() {
1212 // destructor
1213
1214 }
1215
1216 //_____________________________________________________________________________
1217 AliCDBParam* AliCDBGridParam::CloneParam() const {
1218 // clone parameter
1219
1220         return new AliCDBGridParam(fGridUrl.Data(), fUser.Data(),
1221                                         fDBFolder.Data(), fSE.Data(), fCacheFolder.Data(),
1222                                         fOperateDisconnected, fCacheSize, fCleanupInterval);
1223 }
1224
1225 //_____________________________________________________________________________
1226 ULong_t AliCDBGridParam::Hash() const {
1227 // return Hash function
1228
1229         return fGridUrl.Hash()+fUser.Hash()+fDBFolder.Hash()+fSE.Hash()+fCacheFolder.Hash();
1230 }
1231
1232 //_____________________________________________________________________________
1233 Bool_t AliCDBGridParam::IsEqual(const TObject* obj) const {
1234 // check if this object is equal to AliCDBParam obj
1235
1236         if (this == obj) {
1237                 return kTRUE;
1238         }
1239
1240         if (AliCDBGridParam::Class() != obj->IsA()) {
1241                 return kFALSE;
1242         }
1243
1244         AliCDBGridParam* other = (AliCDBGridParam*) obj;
1245
1246         if(fGridUrl != other->fGridUrl) return kFALSE;
1247         if(fUser != other->fUser) return kFALSE;
1248         if(fDBFolder != other->fDBFolder) return kFALSE;
1249         if(fSE != other->fSE) return kFALSE;
1250         if(fCacheFolder != other->fCacheFolder) return kFALSE;
1251         if(fOperateDisconnected != other->fOperateDisconnected) return kFALSE;
1252         if(fCacheSize != other->fCacheSize) return kFALSE;
1253         if(fCleanupInterval != other->fCleanupInterval) return kFALSE;
1254         return kTRUE;
1255 }
1256