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