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 = %p; 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 = %lld, cleanupInterval = %ld !",
 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                 //TString cmd("find -d ");
 237                 //cmd += Form("%s ",dirName);
 238                 //cmd +=
 239                 //gGrid->Command(cmd.Data());
 240                 dirName+=Form("%s/",id.GetPathLevel(i).Data());
 241                 dirExist=gGrid->Cd(dirName,0);
 242                 if (!dirExist) {
 243                         AliDebug(2,Form("Creating new folder <%s> ...",dirName.Data()));
 244                         if(!gGrid->Mkdir(dirName,"",0)){
 245                                 AliError(Form("Cannot create directory <%s> !",dirName.Data()));
 246                                 gGrid->Cd(initDir.Data());
 247                         return kFALSE;
 248                         }
 249
 250                         // if folders are new add tags to them
 251                         if(i == 1) {
 252                                 // TODO Currently disabled
 253                                 // add short lived tag!
 254                                 // AliInfo("Tagging level 1 folder with \"ShortLived\" tag");
 255                                 // if(!AddTag(dirName,"ShortLived_try")){
 256                                 //      AliError(Form("Could not tag folder %s !", dirName.Data()));
 257                                 //      if(!gGrid->Rmdir(dirName.Data())){
 258                                 //              AliError(Form("Unexpected: could not remove %s directory!", dirName.Data()));
 259                                 //      }
 260                                 //      return 0;
 261                                 //}
 262
 263                         } else if(i == 2) {
 264                                 AliDebug(2,"Tagging level 2 folder with \"CDB\" and \"CDB_MD\" tag");
 265                                 if(!AddTag(dirName,"CDB")){
 266                                         AliError(Form("Could not tag folder %s !", dirName.Data()));
 267                                         if(!gGrid->Rmdir(dirName.Data())){
 268                                                 AliError(Form("Unexpected: could not remove %s directory!", dirName.Data()));
 269                                         }
 270                                         return 0;
 271                                 }
 272                                 if(!AddTag(dirName,"CDB_MD")){
 273                                         AliError(Form("Could not tag folder %s !", dirName.Data()));
 274                                         if(!gGrid->Rmdir(dirName.Data())){
 275                                                 AliError(Form("Unexpected: could not remove %s directory!", dirName.Data()));
 276                                         }
 277                                         return 0;
 278                                 }
 279
 280                                 // TODO Currently disabled
 281                                 // add short lived tag!
 282                                 // TString path=id.GetPath();
 283                                 // if(AliCDBManager::Instance()->IsShortLived(path.Data())) {
 284                                 //      AliInfo(Form("Tagging %s as short lived", dirName.Data()));
 285                                 //      if(!TagShortLived(dirName, kTRUE)){
 286                                 //              AliError(Form("Could not tag folder %s !", dirName.Data()));
 287                                 //              if(!gGrid->Rmdir(dirName.Data())){
 288                                 //                      AliError(Form("Unexpected: could not remove %s directory!", dirName.Data()));
 289                                 //              }
 290                                 //              return 0;
 291                                 //      }
 292                                 // } else {
 293                                 //      AliInfo(Form("Tagging %s as long lived", dirName.Data()));
 294                                 //      if(!TagShortLived(dirName, kFALSE)){
 295                                 //              AliError(Form("Could not tag folder %s !", dirName.Data()));
 296                                 //              if(!gGrid->Rmdir(dirName.Data())){
 297                                 //                      AliError(Form("Unexpected: could not remove %s directory!", dirName.Data()));
 298                                 //              }
 299                                 //              return 0;
 300                                 //      }
 301                                 // }
 302                         }
 303                 }
 304         }
 305         gGrid->Cd(initDir,0);
 306
 307         TString filename;
 308         AliCDBId anId; // the id got from filename
 309         AliCDBRunRange lastRunRange(-1,-1); // highest runRange found
 310         Int_t lastVersion=0; // highest version found
 311
 312         TGridResult *res = gGrid->Ls(dirName);
 313
 314         //loop on the files in the directory, look for highest version
 315         for(int i=0; i < res->GetEntries(); i++){
 316                 filename=res->GetFileNamePath(i);
 317                 if (!FilenameToId(filename, anId)) continue;
 318                 if (anId.GetAliCDBRunRange().Overlaps(id.GetAliCDBRunRange()) && anId.GetVersion() > lastVersion) {
 319                         lastVersion = anId.GetVersion();
 320                         lastRunRange = anId.GetAliCDBRunRange();
 321                 }
 322
 323         }
 324         delete res;
 325
 326         // GRP entries with explicitly set version escape default incremental versioning
 327         if(id.GetPath().Contains("GRP") && id.HasVersion() && lastVersion!=0)
 328         {
 329                 AliDebug(5,Form("Entry %s won't be put in the destination OCDB", id.ToString().Data()));
 330                 return kFALSE;
 331         }
 332
 333         id.SetVersion(lastVersion + 1);
 334         id.SetSubVersion(0);
 335
 336         TString lastStorage = id.GetLastStorage();
 337         if(lastStorage.Contains(TString("new"), TString::kIgnoreCase) && id.GetVersion() > 1 ){
 338                 AliDebug(2, Form("A NEW object is being stored with version %d",
 339                                         id.GetVersion()));
 340                 AliDebug(2, Form("and it will hide previously stored object with version %d!",
 341                                         id.GetVersion()-1));
 342         }
 343
 344         if(!lastRunRange.IsAnyRange() && !(lastRunRange.IsEqual(&id.GetAliCDBRunRange())))
 345                 AliWarning(Form("Run range modified w.r.t. previous version (Run%d_%d_v%d)",
 346                         lastRunRange.GetFirstRun(), lastRunRange.GetLastRun(), id.GetVersion()));
 347
 348         return kTRUE;
 349 }
 350
 351 //_____________________________________________________________________________
 352 AliCDBId* AliCDBGrid::GetId(const TObjArray& validFileIds, const AliCDBId& query) {
 353 // look for the Id that matches query's requests (highest or exact version)
 354
 355         if(validFileIds.GetEntriesFast() < 1)
 356                 return NULL;
 357
 358         TIter iter(&validFileIds);
 359
 360         AliCDBId *anIdPtr=0;
 361         AliCDBId* result=0;
 362
 363         while((anIdPtr = dynamic_cast<AliCDBId*> (iter.Next()))){
 364                 if(anIdPtr->GetPath() != query.GetPath()) continue;
 365
 366                 //if(!CheckVersion(query, anIdPtr, result)) return NULL;
 367
 368                 if (!query.HasVersion()){ // look for highest version
 369                         if(result && result->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                 } else { // look for specified version
 377                         if(query.GetVersion() != anIdPtr->GetVersion()) continue;
 378                         if(result && result->GetVersion() == anIdPtr->GetVersion()){
 379                                 AliError(Form("More than one object valid for run %d, version %d!",
 380                                         query.GetFirstRun(), anIdPtr->GetVersion()));
 381                                 return NULL;
 382                         }
 383                         result = anIdPtr;
 384                 }
 385
 386         }
 387
 388         if (!result) return NULL;
 389
 390         return dynamic_cast<AliCDBId*> (result->Clone());
 391 }
 392
 393 //_____________________________________________________________________________
 394 AliCDBId* AliCDBGrid::GetEntryId(const AliCDBId& queryId) {
 395 // get AliCDBId from the database
 396 // User must delete returned object
 397
 398         AliCDBId* dataId=0;
 399
 400         AliCDBId selectedId(queryId);
 401         if (!selectedId.HasVersion()) {
 402                 // if version is not specified, first check the selection criteria list
 403                 GetSelection(&selectedId);
 404         }
 405
 406         TObjArray validFileIds;
 407         validFileIds.SetOwner(1);
 408
 409         // look for file matching query requests (path, runRange, version)
 410         if(selectedId.GetFirstRun() == fRun &&
 411                         fPathFilter.Comprises(selectedId.GetAliCDBPath()) && fVersion < 0 && !fMetaDataFilter){
 412                 // look into list of valid files previously loaded with AliCDBStorage::FillValidFileIds()
 413                 AliDebug(2, Form("List of files valid for run %d was loaded. Looking there for fileids valid for path %s!",
 414                                         selectedId.GetFirstRun(), selectedId.GetPath().Data()));
 415                 dataId = GetId(fValidFileIds, selectedId);
 416
 417         } else {
 418                 // List of files valid for reqested run was not loaded. Looking directly into CDB
 419                 AliDebug(2, Form("List of files valid for run %d was not loaded. Looking directly into CDB for fileids valid for path %s!",
 420                                         selectedId.GetFirstRun(), selectedId.GetPath().Data()));
 421
 422                 TString filter;
 423                 MakeQueryFilter(selectedId.GetFirstRun(), selectedId.GetLastRun(), 0, filter);
 424
 425                 TString pattern = Form("%s/Run*", selectedId.GetPath().Data());
 426                 TString optionQuery = "-y";
 427                 if(selectedId.GetVersion() >= 0) {
 428                         pattern += Form("_v%d*",selectedId.GetVersion());
 429                         optionQuery = "";
 430                 }
 431
 432                 pattern += ".root";
 433                 AliDebug(2,Form("pattern: %s", pattern.Data()));
 434
 435                 if (optionQuery == "-y"){
 436                         AliInfo("Only latest version will be returned");
 437                 }
 438
 439                 TGridResult *res = gGrid->Query(fDBFolder, pattern, filter, optionQuery.Data());
 440                 if (res) {
 441                         AliCDBId validFileId;
 442                         for(int i=0; i<res->GetEntries(); i++){
 443                                 TString filename = res->GetKey(i, "lfn");
 444                                 if(filename == "") continue;
 445                                 if(FilenameToId(filename, validFileId))
 446                                                 validFileIds.AddLast(validFileId.Clone());
 447                         }
 448                         delete res;
 449                 }
 450                 dataId = GetId(validFileIds, selectedId);
 451         }
 452
 453         return dataId;
 454 }
 455
 456 //_____________________________________________________________________________
 457 AliCDBEntry* AliCDBGrid::GetEntry(const AliCDBId& queryId) {
 458 // get AliCDBEntry from the database
 459
 460         AliCDBId* dataId = GetEntryId(queryId);
 461
 462         if (!dataId) return NULL;
 463
 464         TString filename;
 465         if (!IdToFilename(*dataId, filename)) {
 466                 AliDebug(2,Form("Bad data ID encountered! Subnormal error!"));
 467                 delete dataId;
 468                 return NULL;
 469         }
 470
 471         AliCDBEntry* anEntry = GetEntryFromFile(filename, dataId);
 472
 473         delete dataId;
 474         return anEntry;
 475 }
 476
 477 //_____________________________________________________________________________
 478 AliCDBEntry* AliCDBGrid::GetEntryFromFile(TString& filename, AliCDBId* dataId){
 479 // Get AliCBEntry object from file "filename"
 480
 481         AliDebug(2,Form("Opening file: %s",filename.Data()));
 482
 483         filename.Prepend("/alien");
 484
 485         // if option="CACHEREAD" TFile will use the local caching facility!
 486         TString option="READ";
 487         if(fCacheFolder != ""){
 488
 489                 // Check if local cache folder was changed in the meanwhile
 490                 TString origCache(TFile::GetCacheFileDir());
 491                 if(fCacheFolder != origCache) {
 492                         AliWarning(Form("Local cache folder has been overwritten!! fCacheFolder = %s origCache = %s",
 493                                         fCacheFolder.Data(), origCache.Data()));
 494                         TFile::SetCacheFileDir(fCacheFolder.Data(), fOperateDisconnected);
 495                         TFile::ShrinkCacheFileDir(fCacheSize, fCleanupInterval);
 496                 }
 497
 498                 option.Prepend("CACHE");
 499         }
 500
 501         AliDebug(2, Form("Option: %s", option.Data()));
 502
 503         TFile *file = TFile::Open(filename, option);
 504         if (!file) {
 505                 AliDebug(2,Form("Can't open file <%s>!", filename.Data()));
 506                 return NULL;
 507         }
 508
 509         // get the only AliCDBEntry object from the file
 510         // the object in the file is an AliCDBEntry entry named "AliCDBEntry"
 511
 512         AliCDBEntry* anEntry = dynamic_cast<AliCDBEntry*> (file->Get("AliCDBEntry"));
 513
 514         if (!anEntry) {
 515                 AliDebug(2,Form("Bad storage data: file does not contain an AliCDBEntry object!"));
 516                 file->Close();
 517                 return NULL;
 518         }
 519
 520         // The object's Id is not reset during storage
 521         // If object's Id runRange or version do not match with filename,
 522         // it means that someone renamed file by hand. In this case a warning msg is issued.
 523
 524         if(anEntry){
 525                 AliCDBId entryId = anEntry->GetId();
 526                 Int_t tmpSubVersion = dataId->GetSubVersion();
 527                 dataId->SetSubVersion(entryId.GetSubVersion()); // otherwise filename and id may mismatch
 528                 if(!entryId.IsEqual(dataId)){
 529                         AliWarning(Form("Mismatch between file name and object's Id!"));
 530                         AliWarning(Form("File name: %s", dataId->ToString().Data()));
 531                         AliWarning(Form("Object's Id: %s", entryId.ToString().Data()));
 532                 }
 533                 dataId->SetSubVersion(tmpSubVersion);
 534         }
 535
 536         anEntry->SetLastStorage("grid");
 537
 538         // Check whether entry contains a TTree. In case load the tree in memory!
 539         LoadTreeFromFile(anEntry);
 540
 541         // close file, return retieved entry
 542         file->Close(); delete file; file=0;
 543
 544         return anEntry;
 545 }
 546
 547 //_____________________________________________________________________________
 548 TList* AliCDBGrid::GetEntries(const AliCDBId& queryId) {
 549 // multiple request (AliCDBStorage::GetAll)
 550
 551         TList* result = new TList();
 552         result->SetOwner();
 553
 554         TObjArray validFileIds;
 555         validFileIds.SetOwner(1);
 556
 557         Bool_t alreadyLoaded = kFALSE;
 558
 559         // look for file matching query requests (path, runRange)
 560         if(queryId.GetFirstRun() == fRun &&
 561                         fPathFilter.Comprises(queryId.GetAliCDBPath()) && fVersion < 0 && !fMetaDataFilter){
 562                 // look into list of valid files previously loaded with AliCDBStorage::FillValidFileIds()
 563                 AliDebug(2,Form("List of files valid for run %d and for path %s was loaded. Looking there!",
 564                                         queryId.GetFirstRun(), queryId.GetPath().Data()));
 565
 566                 alreadyLoaded = kTRUE;
 567
 568         } else {
 569                 // List of files valid for reqested run was not loaded. Looking directly into CDB
 570                 AliDebug(2,Form("List of files valid for run %d and for path %s was not loaded. Looking directly into CDB!",
 571                                         queryId.GetFirstRun(), queryId.GetPath().Data()));
 572
 573                 TString filter;
 574                 MakeQueryFilter(queryId.GetFirstRun(), queryId.GetLastRun(), 0, filter);
 575
 576                 TString pattern = Form("%s/Run*.root", queryId.GetPath().Data());
 577                 AliDebug(2,Form("pattern: %s", pattern.Data()));
 578
 579                 TString optionQuery("-y");
 580                 if(queryId.GetVersion() >= 0) optionQuery = "";
 581
 582                 if (optionQuery == "-y"){
 583                         AliInfo("Only latest version will be returned");
 584                 }
 585
 586                 TGridResult *res = gGrid->Query(fDBFolder, pattern, filter, optionQuery.Data());
 587
 588                 AliCDBId validFileId;
 589                 for(int i=0; i<res->GetEntries(); i++){
 590                         TString filename = res->GetKey(i, "lfn");
 591                         if(filename == "") continue;
 592                         if(FilenameToId(filename, validFileId))
 593                                         validFileIds.AddLast(validFileId.Clone());
 594                 }
 595                 delete res;
 596         }
 597
 598         TIter *iter=0;
 599         if(alreadyLoaded){
 600                 iter = new TIter(&fValidFileIds);
 601         } else {
 602                 iter = new TIter(&validFileIds);
 603         }
 604
 605         TObjArray selectedIds;
 606         selectedIds.SetOwner(1);
 607
 608         // loop on list of valid Ids to select the right version to get.
 609         // According to query and to the selection criteria list, version can be the highest or exact
 610         AliCDBPath pathCopy;
 611         AliCDBId* anIdPtr=0;
 612         AliCDBId* dataId=0;
 613         AliCDBPath queryPath = queryId.GetAliCDBPath();
 614         while((anIdPtr = dynamic_cast<AliCDBId*> (iter->Next()))){
 615                 AliCDBPath thisCDBPath = anIdPtr->GetAliCDBPath();
 616                 if(!(queryPath.Comprises(thisCDBPath)) || pathCopy.GetPath() == thisCDBPath.GetPath()) continue;
 617                 pathCopy = thisCDBPath;
 618
 619                 // check the selection criteria list for this query
 620                 AliCDBId thisId(*anIdPtr);
 621                 thisId.SetVersion(queryId.GetVersion());
 622                 if(!thisId.HasVersion()) GetSelection(&thisId);
 623
 624                 if(alreadyLoaded){
 625                         dataId = GetId(fValidFileIds, thisId);
 626                 } else {
 627                         dataId = GetId(validFileIds, thisId);
 628                 }
 629                 if(dataId) selectedIds.Add(dataId);
 630         }
 631
 632         delete iter; iter=0;
 633
 634         // selectedIds contains the Ids of the files matching all requests of query!
 635         // All the objects are now ready to be retrieved
 636         iter = new TIter(&selectedIds);
 637         while((anIdPtr = dynamic_cast<AliCDBId*> (iter->Next()))){
 638                 TString filename;
 639                 if (!IdToFilename(*anIdPtr, filename)) {
 640                         AliDebug(2,Form("Bad data ID encountered! Subnormal error!"));
 641                         continue;
 642                 }
 643
 644                 AliCDBEntry* anEntry = GetEntryFromFile(filename, anIdPtr);
 645
 646                 if(anEntry) result->Add(anEntry);
 647
 648         }
 649         delete iter; iter=0;
 650
 651         return result;
 652 }
 653
 654 //_____________________________________________________________________________
 655 Bool_t AliCDBGrid::PutEntry(AliCDBEntry* entry) {
 656 // put an AliCDBEntry object into the database
 657
 658         AliCDBId& id = entry->GetId();
 659
 660         // set version for the entry to be stored
 661         if (!PrepareId(id)) return kFALSE;
 662
 663         // build filename from entry's id
 664         TString filename;
 665         if (!IdToFilename(id, filename)) {
 666                 AliError("Bad ID encountered! Subnormal error!");
 667                 return kFALSE;
 668         }
 669
 670         TString folderToTag = Form("%s%s",
 671                                         fDBFolder.Data(),
 672                                         id.GetPath().Data());
 673
 674         TDirectory* saveDir = gDirectory;
 675
 676         TString fullFilename = Form("/alien%s", filename.Data());
 677         // specify SE to filename
 678         if (fSE != "default") fullFilename += Form("?se=%s",fSE.Data());
 679
 680         // open file
 681         TFile *file = TFile::Open(fullFilename,"CREATE");
 682         if(!file || !file->IsWritable()){
 683                 AliError(Form("Can't open file <%s>!", filename.Data()));
 684                 if(file && !file->IsWritable()) file->Close(); delete file; file=0;
 685                 return kFALSE;
 686         }
 687
 688         file->cd();
 689
 690         //SetTreeToFile(entry, file);
 691
 692         entry->SetVersion(id.GetVersion());
 693
 694         // write object (key name: "AliCDBEntry")
 695         Bool_t result = (file->WriteTObject(entry, "AliCDBEntry") != 0);
 696         if (!result) AliError(Form("Can't write entry to file <%s>!", filename.Data()));
 697
 698
 699         if (saveDir) saveDir->cd(); else gROOT->cd();
 700         file->Close(); delete file; file=0;
 701
 702         if(result) {
 703
 704                 if(!TagFileId(filename, &id)){
 705                         AliInfo(Form("CDB tagging failed. Deleting file %s!",filename.Data()));
 706                         if(!gGrid->Rm(filename.Data()))
 707                                 AliError("Can't delete file!");
 708                         return kFALSE;
 709                 }
 710
 711                 TagFileMetaData(filename, entry->GetMetaData());
 712         }
 713
 714         AliInfo(Form("CDB object stored into file %s", filename.Data()));
 715         AliInfo(Form("Storage Element: %s", fSE.Data()));
 716         return result;
 717 }
 718 //_____________________________________________________________________________
 719 Bool_t AliCDBGrid::AddTag(TString& folderToTag, const char* tagname){
 720 // add "tagname" tag (CDB or CDB_MD) to folder where object will be stored
 721
 722         Bool_t result = kTRUE;
 723         AliDebug(2, Form("adding %s tag to folder %s", tagname, folderToTag.Data()));
 724         TString addTag = Form("addTag %s %s", folderToTag.Data(), tagname);
 725         TGridResult *gridres = gGrid->Command(addTag.Data());
 726         const char* resCode = gridres->GetKey(0,"__result__"); // '1' if success
 727         if(resCode[0] != '1') {
 728                 AliError(Form("Couldn't add %s tags to folder %s !",
 729                                                 tagname, folderToTag.Data()));
 730                 result = kFALSE;
 731         }
 732         delete gridres;
 733         return result;
 734 }
 735
 736 //_____________________________________________________________________________
 737 Bool_t AliCDBGrid::TagFileId(TString& filename, const AliCDBId* id){
 738 // tag stored object in CDB table using object Id's parameters
 739
 740
 741         TString dirname(filename);
 742         Int_t dirNumber = gGrid->Mkdir(dirname.Remove(dirname.Last('/')),"-d");
 743
 744         TString addTagValue1 = Form("addTagValue %s CDB ", filename.Data());
 745         TString addTagValue2 = Form("first_run=%d last_run=%d version=%d ",
 746                                         id->GetFirstRun(),
 747                                         id->GetLastRun(),
 748                                         id->GetVersion());
 749         TString addTagValue3 = Form("path_level_0=\"%s\" path_level_1=\"%s\" path_level_2=\"%s\" ",
 750                                         id->GetPathLevel(0).Data(),
 751                                         id->GetPathLevel(1).Data(),
 752                                         id->GetPathLevel(2).Data());
 753         //TString addTagValue4 = Form("version_path=\"%s\" dir_number=%d",Form("%d_%s",id->GetVersion(),filename.Data()),dirNumber);
 754         TString addTagValue4 = Form("version_path=\"%09d%s\" dir_number=%d",id->GetVersion(),filename.Data(),dirNumber);
 755         TString addTagValue = Form("%s%s%s%s",
 756                                         addTagValue1.Data(),
 757                                         addTagValue2.Data(),
 758                                         addTagValue3.Data(),
 759                                         addTagValue4.Data());
 760
 761         Bool_t result = kFALSE;
 762         AliDebug(2, Form("Tagging file. Tag command: %s", addTagValue.Data()));
 763         TGridResult* res = gGrid->Command(addTagValue.Data());
 764         const char* resCode = res->GetKey(0,"__result__"); // '1' if success
 765         if(resCode[0] != '1') {
 766                 AliError(Form("Couldn't add CDB tag value to file %s !",
 767                                                 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::TagShortLived(TString& filename, Bool_t value){
 780 // tag folder with ShortLived tag
 781
 782         TString addTagValue = Form("addTagValue %s ShortLived_try value=%d", filename.Data(), value);
 783
 784         Bool_t result = kFALSE;
 785         AliDebug(2, Form("Tagging file. Tag command: %s", addTagValue.Data()));
 786         TGridResult* res = gGrid->Command(addTagValue.Data());
 787         const char* resCode = res->GetKey(0,"__result__"); // '1' if success
 788         if(resCode[0] != '1') {
 789                 AliError(Form("Couldn't add ShortLived tag value to file %s !", filename.Data()));
 790                 result = kFALSE;
 791         } else {
 792                 AliDebug(2,"Object successfully tagged.");
 793                 result = kTRUE;
 794         }
 795         delete res;
 796         return result;
 797
 798 }
 799
 800 //_____________________________________________________________________________
 801 Bool_t AliCDBGrid::TagFileMetaData(TString& filename, const AliCDBMetaData* md){
 802 // tag stored object in CDB table using object Id's parameters
 803
 804         TString addTagValue1 = Form("addTagValue %s CDB_MD ", filename.Data());
 805         TString addTagValue2 = Form("object_classname=\"%s\" responsible=\"%s\" beam_period=%d ",
 806                                         md->GetObjectClassName(),
 807                                         md->GetResponsible(),
 808                                         md->GetBeamPeriod());
 809         TString addTagValue3 = Form("aliroot_version=\"%s\" comment=\"%s\"",
 810                                         md->GetAliRootVersion(),
 811                                         md->GetComment());
 812         TString addTagValue = Form("%s%s%s",
 813                                         addTagValue1.Data(),
 814                                         addTagValue2.Data(),
 815                                         addTagValue3.Data());
 816
 817         Bool_t result = kFALSE;
 818         AliDebug(2, Form("Tagging file. Tag command: %s", addTagValue.Data()));
 819         TGridResult* res = gGrid->Command(addTagValue.Data());
 820         const char* resCode = res->GetKey(0,"__result__"); // '1' if success
 821         if(resCode[0] != '1') {
 822                 AliWarning(Form("Couldn't add CDB_MD tag value to file %s !",
 823                                                 filename.Data()));
 824                 result = kFALSE;
 825         } else {
 826                 AliDebug(2,"Object successfully tagged.");
 827                 result = kTRUE;
 828         }
 829         return result;
 830 }
 831
 832 //_____________________________________________________________________________
 833 TList* AliCDBGrid::GetIdListFromFile(const char* fileName){
 834
 835         TString turl(fileName);
 836         turl.Prepend("/alien" + fDBFolder);
 837         turl += "?se="; turl += fSE.Data();
 838         TFile *file = TFile::Open(turl);
 839         if (!file) {
 840                 AliError(Form("Can't open selection file <%s>!", turl.Data()));
 841                 return NULL;
 842         }
 843
 844         TList *list = new TList();
 845         list->SetOwner();
 846         int i=0;
 847         TString keycycle;
 848
 849         AliCDBId *id;
 850         while(1){
 851                 i++;
 852                 keycycle = "AliCDBId;";
 853                 keycycle+=i;
 854
 855                 id = (AliCDBId*) file->Get(keycycle);
 856                 if(!id) break;
 857                 list->AddFirst(id);
 858         }
 859         file->Close(); delete file; file=0;
 860
 861         return list;
 862
 863
 864 }
 865
 866 //_____________________________________________________________________________
 867 Bool_t AliCDBGrid::Contains(const char* path) const{
 868 // check for path in storage's DBFolder
 869
 870         TString initDir(gGrid->Pwd(0));
 871         TString dirName(fDBFolder);
 872         dirName += path; // dirName = fDBFolder/path
 873         Bool_t result=kFALSE;
 874         if (gGrid->Cd(dirName,0)) result=kTRUE;
 875         gGrid->Cd(initDir.Data(),0);
 876         return result;
 877 }
 878
 879 //_____________________________________________________________________________
 880 void AliCDBGrid::QueryValidFiles()
 881 {
 882 // Query the CDB for files valid for AliCDBStorage::fRun
 883 // fills list fValidFileIds with AliCDBId objects created from file name
 884
 885         TString filter;
 886         MakeQueryFilter(fRun, fRun, fMetaDataFilter, filter);
 887
 888         TString pattern = Form("%s/Run*", fPathFilter.GetPath().Data());
 889         TString optionQuery = "-y";
 890         if(fVersion >= 0) {
 891                 pattern += Form("_v%d*", fVersion);
 892                 optionQuery = "";
 893         }
 894         pattern += ".root";
 895         AliDebug(2,Form("pattern: %s", pattern.Data()));
 896
 897         AliInfo(Form("fDBFolder = %s, pattern = %s, filter = %s",fDBFolder.Data(), pattern.Data(), filter.Data()));
 898
 899         if (optionQuery == "-y"){
 900                 AliInfo("Only latest version will be returned");
 901         }
 902
 903         TGridResult *res = gGrid->Query(fDBFolder, pattern, filter, optionQuery.Data());
 904
 905         if (!res) {
 906                 AliError("Grid query failed");
 907                 return;
 908         }
 909
 910         TIter next(res);
 911         TMap *map;
 912         while ((map = (TMap*)next())) {
 913           TObjString *entry;
 914           if ((entry = (TObjString *) ((TMap *)map)->GetValue("lfn"))) {
 915             TString& filename = entry->String();
 916             if(filename.IsNull()) continue;
 917             AliDebug(2,Form("Found valid file: %s", filename.Data()));
 918             AliCDBId *validFileId = new AliCDBId;
 919             Bool_t result = FilenameToId(filename, *validFileId);
 920             if(result) {
 921               fValidFileIds.AddLast(validFileId);
 922             }
 923             else {
 924               delete validFileId;
 925             }
 926           }
 927         }
 928         delete res;
 929
 930 }
 931
 932 //_____________________________________________________________________________
 933 void AliCDBGrid::MakeQueryFilter(Int_t firstRun, Int_t lastRun,
 934                                         const AliCDBMetaData* md, TString& result) const
 935 {
 936 // create filter for file query
 937
 938         result = Form("CDB:first_run<=%d and CDB:last_run>=%d", firstRun, lastRun);
 939
 940 //      if(version >= 0) {
 941 //              result += Form(" and CDB:version=%d", version);
 942 //      }
 943 //      if(pathFilter.GetLevel0() != "*") {
 944 //              result += Form(" and CDB:path_level_0=\"%s\"", pathFilter.GetLevel0().Data());
 945 //      }
 946 //      if(pathFilter.GetLevel1() != "*") {
 947 //              result += Form(" and CDB:path_level_1=\"%s\"", pathFilter.GetLevel1().Data());
 948 //      }
 949 //      if(pathFilter.GetLevel2() != "*") {
 950 //              result += Form(" and CDB:path_level_2=\"%s\"", pathFilter.GetLevel2().Data());
 951 //      }
 952
 953         if(md){
 954                 if(md->GetObjectClassName()[0] != '\0') {
 955                         result += Form(" and CDB_MD:object_classname=\"%s\"", md->GetObjectClassName());
 956                 }
 957                 if(md->GetResponsible()[0] != '\0') {
 958                         result += Form(" and CDB_MD:responsible=\"%s\"", md->GetResponsible());
 959                 }
 960                 if(md->GetBeamPeriod() != 0) {
 961                         result += Form(" and CDB_MD:beam_period=%d", md->GetBeamPeriod());
 962                 }
 963                 if(md->GetAliRootVersion()[0] != '\0') {
 964                         result += Form(" and CDB_MD:aliroot_version=\"%s\"", md->GetAliRootVersion());
 965                 }
 966                 if(md->GetComment()[0] != '\0') {
 967                         result += Form(" and CDB_MD:comment=\"%s\"", md->GetComment());
 968                 }
 969         }
 970         AliDebug(2, Form("filter: %s",result.Data()));
 971
 972 }
 973
 974 //_____________________________________________________________________________
 975 Int_t AliCDBGrid::GetLatestVersion(const char* path, Int_t run){
 976 // get last version found in the database valid for run and path
 977
 978         AliCDBPath aCDBPath(path);
 979         if(!aCDBPath.IsValid() || aCDBPath.IsWildcard()) {
 980                 AliError(Form("Invalid path in request: %s", path));
 981                 return -1;
 982         }
 983         AliCDBId query(path, run, run, -1, -1);
 984
 985         AliCDBId* dataId = 0;
 986         // look for file matching query requests (path, runRange, version)
 987         if(run == fRun && fPathFilter.Comprises(aCDBPath) && fVersion < 0){
 988                 // look into list of valid files previously loaded with AliCDBStorage::FillValidFileIds()
 989                 AliDebug(2, Form("List of files valid for run %d and for path %s was loaded. Looking there!",
 990                                         run, path));
 991                 dataId = GetId(fValidFileIds, query);
 992                 if (!dataId) return -1;
 993                 Int_t version = dataId->GetVersion();
 994                 delete dataId;
 995                 return version;
 996
 997         }
 998         // List of files valid for reqested run was not loaded. Looking directly into CDB
 999         AliDebug(2, Form("List of files valid for run %d and for path %s was not loaded. Looking directly into CDB!",
1000                                 run, path));
1001
1002         TObjArray validFileIds;
1003         validFileIds.SetOwner(1);
1004
1005         TString filter;
1006         MakeQueryFilter(run, run, 0, filter);
1007
1008         TString pattern = Form("%s/Run*.root", path);
1009         AliDebug(2,Form("pattern: %s", pattern.Data()));
1010
1011         TGridResult *res = gGrid->Query(fDBFolder, pattern, filter, "-y");
1012         AliCDBId validFileId;
1013         if (res->GetEntries()>1){
1014                 AliWarning("Number of found entries >1, even if option -y was used");
1015                 for(int i=0; i<res->GetEntries(); i++){
1016                         TString filename = res->GetKey(i, "lfn");
1017                         if(filename == "") continue;
1018                         if(FilenameToId(filename, validFileId))
1019                                 validFileIds.AddLast(validFileId.Clone());
1020                 }
1021                 dataId = GetId(validFileIds, query);
1022                 if (!dataId) return -1;
1023
1024                 Int_t version = dataId->GetVersion();
1025                 delete dataId;
1026                 return version;
1027         }
1028         else if (res->GetEntries()==1){
1029                 TString filename = res->GetKey(0, "lfn");
1030                 if(filename == "") {
1031                         AliError("The only entry found has filename empty");
1032                         return -1;
1033                 }
1034                 if(FilenameToId(filename, validFileId)) return validFileId.GetVersion();
1035                 else{
1036                         AliError("Impossible to get FileId from filename");
1037                         return -1;
1038                 }
1039         }
1040         else {
1041                 AliError("No entries found");
1042                 return -1;
1043         }
1044
1045         delete res;
1046         return -1;
1047
1048 }
1049
1050 //_____________________________________________________________________________
1051 Int_t AliCDBGrid::GetLatestSubVersion(const char* /*path*/, Int_t /*run*/, Int_t /*version*/){
1052 // get last subversion found in the database valid for run and path
1053         AliError("Objects in GRID storage have no sub version!");
1054         return -1;
1055 }
1056
1057
1058 /////////////////////////////////////////////////////////////////////////////////////////////////
1059 //                                                                                             //
1060 // AliCDBGrid factory                                                                          //
1061 //                                                                                             //
1062 /////////////////////////////////////////////////////////////////////////////////////////////////
1063
1064 ClassImp(AliCDBGridFactory)
1065
1066 //_____________________________________________________________________________
1067 Bool_t AliCDBGridFactory::Validate(const char* gridString) {
1068 // check if the string is valid Grid URI
1069
1070         TRegexp gridPattern("^alien://.+$");
1071
1072         return TString(gridString).Contains(gridPattern);
1073 }
1074
1075 //_____________________________________________________________________________
1076 AliCDBParam* AliCDBGridFactory::CreateParameter(const char* gridString) {
1077 // create AliCDBGridParam class from the URI string
1078
1079         if (!Validate(gridString)) {
1080                 return NULL;
1081         }
1082
1083         TString buffer(gridString);
1084
1085         TString gridUrl         = "alien://";
1086         TString user            = "";
1087         TString dbFolder        = "";
1088         TString se              = "default";
1089         TString cacheFolder     = "";
1090         Bool_t  operateDisconnected = kTRUE;
1091         Long64_t cacheSize          = (UInt_t) 1024*1024*1024; // 1GB
1092         Long_t cleanupInterval      = 0;
1093
1094         TObjArray *arr = buffer.Tokenize('?');
1095         TIter iter(arr);
1096         TObjString *str = 0;
1097
1098         while((str = (TObjString*) iter.Next())){
1099                 TString entry(str->String());
1100                 Int_t indeq = entry.Index('=');
1101                 if(indeq == -1) {
1102                         if(entry.BeginsWith("alien://")) { // maybe it's a gridUrl!
1103                                 gridUrl = entry;
1104                                 continue;
1105                         } else {
1106                                 AliError(Form("Invalid entry! %s",entry.Data()));
1107                                 continue;
1108                         }
1109                 }
1110
1111                 TString key = entry(0,indeq);
1112                 TString value = entry(indeq+1,entry.Length()-indeq);
1113
1114                 if(key.Contains("grid",TString::kIgnoreCase)) {
1115                         gridUrl += value;
1116                 }
1117                 else if (key.Contains("user",TString::kIgnoreCase)){
1118                         user = value;
1119                 }
1120                 else if (key.Contains("se",TString::kIgnoreCase)){
1121                         se = value;
1122                 }
1123                 else if (key.Contains("cacheF",TString::kIgnoreCase)){
1124                         cacheFolder = value;
1125                         if (!cacheFolder.IsNull() && !cacheFolder.EndsWith("/"))
1126                                 cacheFolder += "/";
1127                 }
1128                 else if (key.Contains("folder",TString::kIgnoreCase)){
1129                         dbFolder = value;
1130                 }
1131                 else if (key.Contains("operateDisc",TString::kIgnoreCase)){
1132                         if(value == "kTRUE") {
1133                                 operateDisconnected = kTRUE;
1134                         } else if (value == "kFALSE") {
1135                                 operateDisconnected = kFALSE;
1136                         } else if (value == "0" || value == "1") {
1137                                 operateDisconnected = (Bool_t) value.Atoi();
1138                         } else {
1139                                 AliError(Form("Invalid entry! %s",entry.Data()));
1140                                 return NULL;
1141                         }
1142                 }
1143                 else if (key.Contains("cacheS",TString::kIgnoreCase)){
1144                         if(value.IsDigit()) {
1145                                 cacheSize = value.Atoi();
1146                         } else {
1147                                 AliError(Form("Invalid entry! %s",entry.Data()));
1148                                 return NULL;
1149                         }
1150                 }
1151                 else if (key.Contains("cleanupInt",TString::kIgnoreCase)){
1152                         if(value.IsDigit()) {
1153                                 cleanupInterval = value.Atoi();
1154                         } else {
1155                                 AliError(Form("Invalid entry! %s",entry.Data()));
1156                                 return NULL;
1157                         }
1158                 }
1159                 else{
1160                         AliError(Form("Invalid entry! %s",entry.Data()));
1161                         return NULL;
1162                 }
1163         }
1164         delete arr; arr=0;
1165
1166         AliDebug(2, Form("gridUrl:      %s", gridUrl.Data()));
1167         AliDebug(2, Form("user: %s", user.Data()));
1168         AliDebug(2, Form("dbFolder:     %s", dbFolder.Data()));
1169         AliDebug(2, Form("s.e.: %s", se.Data()));
1170         AliDebug(2, Form("local cache folder: %s", cacheFolder.Data()));
1171         AliDebug(2, Form("local cache operate disconnected: %d", operateDisconnected));
1172         AliDebug(2, Form("local cache size: %lld", cacheSize));
1173         AliDebug(2, Form("local cache cleanup interval: %ld", cleanupInterval));
1174
1175         if(dbFolder == ""){
1176                 AliError("Base folder must be specified!");
1177                 return NULL;
1178         }
1179
1180         return new AliCDBGridParam(gridUrl.Data(), user.Data(),
1181                           dbFolder.Data(), se.Data(), cacheFolder.Data(),
1182                           operateDisconnected, cacheSize, cleanupInterval);
1183 }
1184
1185 //_____________________________________________________________________________
1186 AliCDBStorage* AliCDBGridFactory::Create(const AliCDBParam* param) {
1187 // create AliCDBGrid storage instance from parameters
1188
1189         AliCDBGrid *grid = 0;
1190         if (AliCDBGridParam::Class() == param->IsA()) {
1191
1192                 const AliCDBGridParam* gridParam = (const AliCDBGridParam*) param;
1193                 grid = new AliCDBGrid(gridParam->GridUrl().Data(),
1194                                       gridParam->GetUser().Data(),
1195                                       gridParam->GetDBFolder().Data(),
1196                                       gridParam->GetSE().Data(),
1197                                       gridParam->GetCacheFolder().Data(),
1198                                       gridParam->GetOperateDisconnected(),
1199                                       gridParam->GetCacheSize(),
1200                                       gridParam->GetCleanupInterval());
1201
1202         }
1203
1204         if(!gGrid && grid) {
1205                 delete grid; grid=0;
1206         }
1207
1208         return grid;
1209 }
1210
1211 /////////////////////////////////////////////////////////////////////////////////////////////////
1212 //                                                                                             //
1213 // AliCDBGrid Parameter class                                                                  //                                         //
1214 //                                                                                             //
1215 /////////////////////////////////////////////////////////////////////////////////////////////////
1216
1217 ClassImp(AliCDBGridParam)
1218
1219 //_____________________________________________________________________________
1220 AliCDBGridParam::AliCDBGridParam():
1221  AliCDBParam(),
1222  fGridUrl(),
1223  fUser(),
1224  fDBFolder(),
1225  fSE(),
1226  fCacheFolder(),
1227  fOperateDisconnected(),
1228  fCacheSize(),
1229  fCleanupInterval()
1230
1231  {
1232 // default constructor
1233
1234 }
1235
1236 //_____________________________________________________________________________
1237 AliCDBGridParam::AliCDBGridParam(const char* gridUrl, const char* user, const char* dbFolder,
1238                                 const char* se, const char* cacheFolder, Bool_t operateDisconnected,
1239                                 Long64_t cacheSize, Long_t cleanupInterval):
1240  AliCDBParam(),
1241  fGridUrl(gridUrl),
1242  fUser(user),
1243  fDBFolder(dbFolder),
1244  fSE(se),
1245  fCacheFolder(cacheFolder),
1246  fOperateDisconnected(operateDisconnected),
1247  fCacheSize(cacheSize),
1248  fCleanupInterval(cleanupInterval)
1249 {
1250 // constructor
1251
1252         SetType("alien");
1253
1254         TString uri = Form("%s?User=%s?DBFolder=%s?SE=%s?CacheFolder=%s"
1255                         "?OperateDisconnected=%d?CacheSize=%lld?CleanupInterval=%ld",
1256                         fGridUrl.Data(), fUser.Data(),
1257                         fDBFolder.Data(), fSE.Data(), fCacheFolder.Data(),
1258                         fOperateDisconnected, fCacheSize, fCleanupInterval);
1259
1260         SetURI(uri.Data());
1261 }
1262
1263 //_____________________________________________________________________________
1264 AliCDBGridParam::~AliCDBGridParam() {
1265 // destructor
1266
1267 }
1268
1269 //_____________________________________________________________________________
1270 AliCDBParam* AliCDBGridParam::CloneParam() const {
1271 // clone parameter
1272
1273         return new AliCDBGridParam(fGridUrl.Data(), fUser.Data(),
1274                                         fDBFolder.Data(), fSE.Data(), fCacheFolder.Data(),
1275                                         fOperateDisconnected, fCacheSize, fCleanupInterval);
1276 }
1277
1278 //_____________________________________________________________________________
1279 ULong_t AliCDBGridParam::Hash() const {
1280 // return Hash function
1281
1282         return fGridUrl.Hash()+fUser.Hash()+fDBFolder.Hash()+fSE.Hash()+fCacheFolder.Hash();
1283 }
1284
1285 //_____________________________________________________________________________
1286 Bool_t AliCDBGridParam::IsEqual(const TObject* obj) const {
1287 // check if this object is equal to AliCDBParam obj
1288
1289         if (this == obj) {
1290                 return kTRUE;
1291         }
1292
1293         if (AliCDBGridParam::Class() != obj->IsA()) {
1294                 return kFALSE;
1295         }
1296
1297         AliCDBGridParam* other = (AliCDBGridParam*) obj;
1298
1299         if(fGridUrl != other->fGridUrl) return kFALSE;
1300         if(fUser != other->fUser) return kFALSE;
1301         if(fDBFolder != other->fDBFolder) return kFALSE;
1302         if(fSE != other->fSE) return kFALSE;
1303         if(fCacheFolder != other->fCacheFolder) return kFALSE;
1304         if(fOperateDisconnected != other->fOperateDisconnected) return kFALSE;
1305         if(fCacheSize != other->fCacheSize) return kFALSE;
1306         if(fCleanupInterval != other->fCleanupInterval) return kFALSE;
1307         return kTRUE;
1308 }
1309