STEER/AliCDBManager.cxx

   1 /**************************************************************************
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   3  *                                                                        *
   4  * Author: The ALICE Off-line Project.                                    *
   5  * Contributors are mentioned in the code where appropriate.              *
   6  *                                                                        *
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  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 //   Implementation of AliCDBManager and AliCDBParam classe
  17 //   Author: Alberto Colla
  18 //   e-mail: Alberto.Colla@cern.ch
  19 //-------------------------------------------------------------------------
  20
  21 #include "AliCDBManager.h"
  22 #include "AliCDBStorage.h"
  23 #include "AliLog.h"
  24 #include "AliCDBDump.h"
  25 #include "AliCDBLocal.h"
  26 #include "AliCDBGrid.h"
  27 #include "AliCDBEntry.h"
  28 #include "AliCDBMetaData.h"
  29
  30 #include <TObjString.h>
  31 #include <TSystem.h>
  32
  33 ClassImp(AliCDBParam)
  34
  35 ClassImp(AliCDBManager)
  36
  37 //TODO OCDB and Reference folder should not be fully hardcoded but built from run number (or year/LHC period)
  38 TString AliCDBManager::fgkCondUri("alien://folder=/alice/cern.ch/user/a/aliprod/testCDB/CDB?user=aliprod");
  39 TString AliCDBManager::fgkRefUri("alien://folder=/alice/cern.ch/user/a/aliprod/testCDB/Reference?user=aliprod");
  40 AliCDBManager* AliCDBManager::fgInstance = 0x0;
  41
  42 //_____________________________________________________________________________
  43 AliCDBManager* AliCDBManager::Instance()
  44 {
  45 // returns AliCDBManager instance (singleton)
  46
  47         if (!fgInstance) {
  48                 fgInstance = new AliCDBManager();
  49                 fgInstance->Init();
  50         }
  51
  52         return fgInstance;
  53 }
  54
  55 //_____________________________________________________________________________
  56 void AliCDBManager::Init() {
  57 // factory registering
  58
  59         RegisterFactory(new AliCDBDumpFactory());
  60         RegisterFactory(new AliCDBLocalFactory());
  61         // AliCDBGridFactory is registered only if AliEn libraries are enabled in Root
  62         if(!gSystem->Exec("root-config --has-alien |grep yes 2>&1 > /dev/null")){ // returns 0 if yes
  63                 AliInfo("AliEn classes enabled in Root. AliCDBGrid factory registered.");
  64                 RegisterFactory(new AliCDBGridFactory());
  65                 fCondParam = CreateParameter(fgkCondUri);
  66                 fRefParam = CreateParameter(fgkRefUri);
  67         }
  68
  69         InitShortLived();
  70 }
  71 //_____________________________________________________________________________
  72 void AliCDBManager::Destroy() {
  73 // delete ALCDBManager instance and active storages
  74
  75         if (fgInstance) {
  76                 //fgInstance->Delete();
  77                 delete fgInstance;
  78                 fgInstance = 0x0;
  79         }
  80 }
  81
  82 //_____________________________________________________________________________
  83 AliCDBManager::AliCDBManager():
  84   TObject(),
  85   fCondParam(0),
  86   fRefParam(0),
  87   fFactories(),
  88   fActiveStorages(),
  89   fSpecificStorages(),
  90   fDefaultStorage(NULL),
  91   fRemoteStorage(NULL),
  92   fDrainStorage(NULL),
  93   fEntryCache(),
  94   fCache(kTRUE),
  95   fRun(-1),
  96   fShortLived(0)
  97 {
  98 // default constuctor
  99         fFactories.SetOwner(1);
 100         fActiveStorages.SetOwner(1);
 101         fSpecificStorages.SetOwner(1);
 102         fEntryCache.SetOwner(1);
 103 }
 104
 105 //_____________________________________________________________________________
 106 AliCDBManager::~AliCDBManager() {
 107 // destructor
 108         ClearCache();
 109         DestroyActiveStorages();
 110         fFactories.Delete();
 111         fDrainStorage = 0x0;
 112         fDefaultStorage = 0x0;
 113         fRemoteStorage = 0x0;
 114         delete fCondParam;
 115         delete fRefParam;
 116         delete fShortLived; fShortLived = 0x0;
 117 }
 118
 119 //_____________________________________________________________________________
 120 void AliCDBManager::PutActiveStorage(AliCDBParam* param, AliCDBStorage* storage){
 121 // put a storage object into the list of active storages
 122
 123         fActiveStorages.Add(param, storage);
 124         AliDebug(1, Form("Active storages: %d", fActiveStorages.GetEntries()));
 125 }
 126
 127 //_____________________________________________________________________________
 128 void AliCDBManager::RegisterFactory(AliCDBStorageFactory* factory) {
 129 // add a storage factory to the list of registerd factories
 130
 131         if (!fFactories.Contains(factory)) {
 132                 fFactories.Add(factory);
 133         }
 134 }
 135
 136 //_____________________________________________________________________________
 137 Bool_t AliCDBManager::HasStorage(const char* dbString) const {
 138 // check if dbString is a URI valid for one of the registered factories
 139
 140         TIter iter(&fFactories);
 141
 142         AliCDBStorageFactory* factory=0;
 143         while ((factory = (AliCDBStorageFactory*) iter.Next())) {
 144
 145                 if (factory->Validate(dbString)) {
 146                         return kTRUE;
 147                 }
 148         }
 149
 150         return kFALSE;
 151 }
 152
 153 //_____________________________________________________________________________
 154 AliCDBParam* AliCDBManager::CreateParameter(const char* dbString) const {
 155 // create AliCDBParam object from URI string
 156
 157         TIter iter(&fFactories);
 158
 159         AliCDBStorageFactory* factory=0;
 160         while ((factory = (AliCDBStorageFactory*) iter.Next())) {
 161                 AliCDBParam* param = factory->CreateParameter(dbString);
 162                 if(param) return param;
 163         }
 164
 165         return NULL;
 166 }
 167
 168 //_____________________________________________________________________________
 169 AliCDBStorage* AliCDBManager::GetStorage(const char* dbString) {
 170 // get storage object from URI string
 171
 172         AliCDBParam* param = CreateParameter(dbString);
 173         if (!param) {
 174                 AliError(Form("Failed to activate requested storage! Check URI: %s", dbString));
 175                 return NULL;
 176         }
 177
 178         AliCDBStorage* aStorage = GetStorage(param);
 179
 180         delete param;
 181         return aStorage;
 182 }
 183
 184 //_____________________________________________________________________________
 185 AliCDBStorage* AliCDBManager::GetStorage(const AliCDBParam* param) {
 186 // get storage object from AliCDBParam object
 187
 188         // if the list of active storages already contains
 189         // the requested storage, return it
 190         AliCDBStorage* aStorage = GetActiveStorage(param);
 191         if (aStorage) {
 192                 return aStorage;
 193         }
 194
 195         TIter iter(&fFactories);
 196
 197         AliCDBStorageFactory* factory=0;
 198
 199         // loop on the list of registered factories
 200         while ((factory = (AliCDBStorageFactory*) iter.Next())) {
 201
 202                 // each factory tries to create its storage from the parameter
 203                 aStorage = factory->Create(param);
 204                 if (aStorage) {
 205                         PutActiveStorage(param->CloneParam(), aStorage);
 206                         aStorage->SetURI(param->GetURI());
 207                         if(fRun >= 0) {
 208                                 if(aStorage->GetType() == "alien"){
 209                                         aStorage->QueryCDB(fRun);
 210                                 } else {
 211                                         AliDebug(2,
 212                                                 "Skipping query for valid files, it is used only in grid...");
 213                                 }
 214                         }
 215                         return aStorage;
 216                 }
 217         }
 218
 219         AliError(Form("Failed to activate requested storage! Check URI: %s", param->GetURI().Data()));
 220
 221         return NULL;
 222 }
 223
 224 //_____________________________________________________________________________
 225 AliCDBStorage* AliCDBManager::GetActiveStorage(const AliCDBParam* param) {
 226 // get a storage object from the list of active storages
 227
 228         return dynamic_cast<AliCDBStorage*> (fActiveStorages.GetValue(param));
 229 }
 230
 231 //_____________________________________________________________________________
 232 TList* AliCDBManager::GetActiveStorages() {
 233 // return list of active storages
 234 // user has responsibility to delete returned object
 235
 236         TList* result = new TList();
 237
 238         TIter iter(fActiveStorages.GetTable());
 239         TPair* aPair=0;
 240         while ((aPair = (TPair*) iter.Next())) {
 241                 result->Add(aPair->Value());
 242         }
 243
 244         return result;
 245 }
 246
 247 //_____________________________________________________________________________
 248 void AliCDBManager::SetDrain(const char* dbString) {
 249 // set drain storage from URI string
 250
 251         fDrainStorage = GetStorage(dbString);
 252 }
 253
 254 //_____________________________________________________________________________
 255 void AliCDBManager::SetDrain(const AliCDBParam* param) {
 256 // set drain storage from AliCDBParam
 257
 258         fDrainStorage = GetStorage(param);
 259 }
 260
 261 //_____________________________________________________________________________
 262 void AliCDBManager::SetDrain(AliCDBStorage* storage) {
 263 // set drain storage from another active storage
 264
 265         fDrainStorage = storage;
 266 }
 267
 268 //_____________________________________________________________________________
 269 Bool_t AliCDBManager::Drain(AliCDBEntry *entry) {
 270 // drain retrieved object to drain storage
 271
 272         AliDebug(2, "Draining into drain storage...");
 273         return fDrainStorage->Put(entry);
 274 }
 275
 276 //_____________________________________________________________________________
 277 void AliCDBManager::SetDefaultStorage(const char* dbString) {
 278 // sets default storage from URI string
 279
 280         AliInfo(Form("Setting Default storage to: %s",dbString));
 281         fDefaultStorage = GetStorage(dbString);
 282 }
 283
 284 //_____________________________________________________________________________
 285 void AliCDBManager::SetDefaultStorage(const AliCDBParam* param) {
 286 // set default storage from AliCDBParam object
 287
 288         fDefaultStorage = GetStorage(param);
 289 }
 290
 291 //_____________________________________________________________________________
 292 void AliCDBManager::SetDefaultStorage(AliCDBStorage* storage) {
 293 // set default storage from another active storage
 294
 295         fDefaultStorage = storage;
 296 }
 297 //_____________________________________________________________________________
 298 void AliCDBManager::SetRemoteStorage(const char* dbString) {
 299 // sets remote storage from URI string
 300 // Remote storage is queried if it is activated and if object was not found in default storage
 301
 302         AliInfo(Form("Setting Default storage to: %s",dbString));
 303         fRemoteStorage = GetStorage(dbString);
 304 }
 305
 306 //_____________________________________________________________________________
 307 void AliCDBManager::SetRemoteStorage(const AliCDBParam* param) {
 308 // set remote storage from AliCDBParam object
 309 // Remote storage is queried if it is activated and if object was not found in default storage
 310
 311         fRemoteStorage = GetStorage(param);
 312 }
 313
 314 //_____________________________________________________________________________
 315 void AliCDBManager::SetRemoteStorage(AliCDBStorage* storage) {
 316 // set remote storage from another active storage
 317 // Remote storage is queried if it is activated and if object was not found in default storage
 318
 319         fRemoteStorage = storage;
 320 }
 321
 322 //_____________________________________________________________________________
 323 void AliCDBManager::SetSpecificStorage(const char* calibType, const char* dbString) {
 324 // sets storage specific for detector or calibration type (works with AliCDBManager::Get(...))
 325
 326         AliCDBParam *aPar = CreateParameter(dbString);
 327         if(!aPar) return;
 328         SetSpecificStorage(calibType, aPar);
 329         delete aPar;
 330 }
 331
 332 //_____________________________________________________________________________
 333 void AliCDBManager::SetSpecificStorage(const char* calibType, AliCDBParam* param) {
 334 // sets storage specific for detector or calibration type (works with AliCDBManager::Get(...))
 335 // Default storage should be defined prior to any specific storages, e.g.:
 336 // AliCDBManager::instance()->SetDefaultStorage("alien://");
 337 // AliCDBManager::instance()->SetSpecificStorage("TPC/*","local://DB_TPC");
 338 // AliCDBManager::instance()->SetSpecificStorage("*/Align/*","local://DB_TPCAlign");
 339 // calibType must be a valid CDB path! (3 level folder structure)
 340
 341         if(!fDefaultStorage) {
 342                 AliError("Please activate a default storage first!");
 343                 return;
 344         }
 345
 346         AliCDBPath aPath(calibType);
 347         if(!aPath.IsValid()){
 348                 AliError(Form("Not a valid path: %s", calibType));
 349                 return;
 350         }
 351
 352         TObjString *objCalibType = new TObjString(aPath.GetPath());
 353         if(fSpecificStorages.Contains(objCalibType)){
 354                 AliWarning(Form("Storage \"%s\" already activated! It will be replaced by the new one",
 355                                         calibType));
 356                 AliCDBParam *checkPar = dynamic_cast<AliCDBParam*> (fSpecificStorages.GetValue(calibType));
 357                 if(checkPar) delete checkPar;
 358                 delete fSpecificStorages.Remove(objCalibType);
 359         }
 360         GetStorage(param);
 361
 362         fSpecificStorages.Add(objCalibType, param->CloneParam());
 363 }
 364
 365 //_____________________________________________________________________________
 366 AliCDBStorage* AliCDBManager::GetSpecificStorage(const char* calibType) {
 367 // get storage specific for detector or calibration type
 368
 369         AliCDBPath calibPath(calibType);
 370         if(!calibPath.IsValid()) return NULL;
 371
 372         AliCDBParam *checkPar = (AliCDBParam*) fSpecificStorages.GetValue(calibPath.GetPath());
 373         if(!checkPar){
 374                 AliError(Form("%s storage not found!", calibType));
 375                 return NULL;
 376         } else {
 377                 return GetStorage(checkPar);
 378         }
 379
 380 }
 381
 382 //_____________________________________________________________________________
 383 AliCDBParam* AliCDBManager::SelectSpecificStorage(const TString& path) {
 384 // select storage valid for path from the list of specific storages
 385
 386         AliCDBPath aPath(path);
 387         if(!aPath.IsValid()) return NULL;
 388
 389         TIter iter(&fSpecificStorages);
 390         TObjString *aCalibType=0;
 391         AliCDBPath tmpPath("null/null/null");
 392         AliCDBParam* aPar=0;
 393         while((aCalibType = (TObjString*) iter.Next())){
 394                 AliCDBPath calibTypePath(aCalibType->GetName());
 395                 if(calibTypePath.Comprises(aPath)) {
 396                         if(calibTypePath.Comprises(tmpPath)) continue;
 397                         aPar = (AliCDBParam*) fSpecificStorages.GetValue(aCalibType);
 398                         tmpPath.SetPath(calibTypePath.GetPath());
 399                 }
 400         }
 401         return aPar;
 402 }
 403
 404 //_____________________________________________________________________________
 405 AliCDBEntry* AliCDBManager::Get(const AliCDBPath& path, Int_t runNumber,
 406         Int_t version, Int_t subVersion) {
 407 // get an AliCDBEntry object from the database
 408
 409         if(runNumber < 0){
 410                 // RunNumber is not specified. Try with fRun
 411                 if (fRun < 0){
 412                         AliError("Run number neither specified in query nor set in AliCDBManager! Use AliCDBManager::SetRun.");
 413                         return NULL;
 414                 }
 415                 runNumber = fRun;
 416         }
 417
 418         return Get(AliCDBId(path, runNumber, runNumber, version, subVersion));
 419 }
 420
 421 //_____________________________________________________________________________
 422 AliCDBEntry* AliCDBManager::Get(const AliCDBPath& path,
 423         const AliCDBRunRange& runRange, Int_t version,
 424         Int_t subVersion) {
 425 // get an AliCDBEntry object from the database!
 426
 427         return Get(AliCDBId(path, runRange, version, subVersion));
 428 }
 429
 430 //_____________________________________________________________________________
 431 AliCDBEntry* AliCDBManager::Get(const AliCDBId& query) {
 432 // get an AliCDBEntry object from the database
 433
 434         if(!fDefaultStorage) {
 435                 AliError("No storage set!");
 436                 return NULL;
 437         }
 438
 439         // check if query's path and runRange are valid
 440         // query is invalid also if version is not specified and subversion is!
 441         if (!query.IsValid()) {
 442                 AliError(Form("Invalid query: %s", query.ToString().Data()));
 443                 return NULL;
 444         }
 445
 446         // query is not specified if path contains wildcard or run range= [-1,-1]
 447         if (!query.IsSpecified()) {
 448                 AliError(Form("Unspecified query: %s",
 449                                 query.ToString().Data()));
 450                 return NULL;
 451         }
 452
 453         if(fCache && query.GetFirstRun() != fRun)
 454                 AliWarning("Run number explicitly set in query: CDB cache temporarily disabled!");
 455
 456
 457         AliCDBEntry *entry=0;
 458
 459         // first look into map of cached objects
 460         if(fCache && query.GetFirstRun() == fRun)
 461                 entry = (AliCDBEntry*) fEntryCache.GetValue(query.GetPath());
 462
 463         if(entry) {
 464                 AliDebug(2, Form("Object %s retrieved from cache !!",query.GetPath().Data()));
 465                 return entry;
 466         }
 467
 468         // Entry is not in cache -> retrieve it from CDB and cache it!!
 469         AliCDBStorage *aStorage=0;
 470         AliCDBParam *aPar=SelectSpecificStorage(query.GetPath());
 471         Bool_t usedDefStorage=kTRUE;
 472
 473         if(aPar) {
 474                 aStorage=GetStorage(aPar);
 475                 TString str = aPar->GetURI();
 476                 AliDebug(2,Form("Looking into storage: %s",str.Data()));
 477                 usedDefStorage=kFALSE;
 478
 479         } else {
 480                 aStorage=GetDefaultStorage();
 481                 AliDebug(2,"Looking into default storage");
 482         }
 483
 484         entry = aStorage->Get(query);
 485
 486         if (!entry && usedDefStorage && IsRemoteStorageSet()) {
 487                 AliWarning(Form("Object not found in default storage: Looking into remote storage!"));
 488                 entry = fRemoteStorage->Get(query);
 489         }
 490
 491         if(entry && fCache && (query.GetFirstRun() == fRun)){
 492                 CacheEntry(query.GetPath(), entry);
 493         }
 494
 495         return entry;
 496
 497 }
 498
 499 //_____________________________________________________________________________
 500 AliCDBId* AliCDBManager::GetId(const AliCDBPath& path, Int_t runNumber,
 501         Int_t version, Int_t subVersion) {
 502 // get the AliCDBId of the valid object from the database (does not retrieve the object)
 503 // User must delete returned object!
 504
 505         if(runNumber < 0){
 506                 // RunNumber is not specified. Try with fRun
 507                 if (fRun < 0){
 508                         AliError("Run number neither specified in query nor set in AliCDBManager! Use AliCDBManager::SetRun.");
 509                         return NULL;
 510                 }
 511                 runNumber = fRun;
 512         }
 513
 514         return GetId(AliCDBId(path, runNumber, runNumber, version, subVersion));
 515 }
 516
 517 //_____________________________________________________________________________
 518 AliCDBId* AliCDBManager::GetId(const AliCDBPath& path,
 519         const AliCDBRunRange& runRange, Int_t version,
 520         Int_t subVersion) {
 521 // get the AliCDBId of the valid object from the database (does not retrieve the object)
 522 // User must delete returned object!
 523
 524         return GetId(AliCDBId(path, runRange, version, subVersion));
 525 }
 526
 527 //_____________________________________________________________________________
 528 AliCDBId* AliCDBManager::GetId(const AliCDBId& query) {
 529 // get the AliCDBId of the valid object from the database (does not retrieve the object)
 530 // User must delete returned object!
 531
 532         if(!fDefaultStorage) {
 533                 AliError("No storage set!");
 534                 return NULL;
 535         }
 536
 537         // check if query's path and runRange are valid
 538         // query is invalid also if version is not specified and subversion is!
 539         if (!query.IsValid()) {
 540                 AliError(Form("Invalid query: %s", query.ToString().Data()));
 541                 return NULL;
 542         }
 543
 544         // query is not specified if path contains wildcard or run range= [-1,-1]
 545         if (!query.IsSpecified()) {
 546                 AliError(Form("Unspecified query: %s",
 547                                 query.ToString().Data()));
 548                 return NULL;
 549         }
 550
 551         if(fCache && query.GetFirstRun() != fRun)
 552                 AliWarning("Run number explicitly set in query: CDB cache temporarily disabled!");
 553
 554         AliCDBEntry* entry = 0;
 555
 556         // first look into map of cached objects
 557         if(fCache && query.GetFirstRun() == fRun)
 558                 entry = (AliCDBEntry*) fEntryCache.GetValue(query.GetPath());
 559
 560         if(entry) {
 561                 AliDebug(2, Form("Object %s retrieved from cache !!",query.GetPath().Data()));
 562                 return dynamic_cast<AliCDBId*> (entry->GetId().Clone());
 563         }
 564
 565         // Entry is not in cache -> retrieve it from CDB and cache it!!
 566         AliCDBStorage *aStorage=0;
 567         AliCDBParam *aPar=SelectSpecificStorage(query.GetPath());
 568
 569         if(aPar) {
 570                 aStorage=GetStorage(aPar);
 571                 TString str = aPar->GetURI();
 572                 AliDebug(2,Form("Looking into storage: %s",str.Data()));
 573
 574         } else {
 575                 aStorage=GetDefaultStorage();
 576                 AliDebug(2,"Looking into default storage");
 577         }
 578
 579         return aStorage->GetId(query);
 580
 581 }
 582
 583 //_____________________________________________________________________________
 584 TList* AliCDBManager::GetAll(const AliCDBPath& path, Int_t runNumber,
 585         Int_t version, Int_t subVersion) {
 586 // get multiple AliCDBEntry objects from the database
 587
 588         if(runNumber < 0){
 589                 // RunNumber is not specified. Try with fRun
 590                 if (fRun < 0){
 591                         AliError("Run number neither specified in query nor set in AliCDBManager! Use AliCDBManager::SetRun.");
 592                         return NULL;
 593                 }
 594                 runNumber = fRun;
 595         }
 596
 597         return GetAll(AliCDBId(path, runNumber, runNumber, version,
 598                         subVersion));
 599 }
 600
 601 //_____________________________________________________________________________
 602 TList* AliCDBManager::GetAll(const AliCDBPath& path,
 603         const AliCDBRunRange& runRange, Int_t version, Int_t subVersion) {
 604 // get multiple AliCDBEntry objects from the database
 605
 606         return GetAll(AliCDBId(path, runRange, version, subVersion));
 607 }
 608
 609 //_____________________________________________________________________________
 610 TList* AliCDBManager::GetAll(const AliCDBId& query) {
 611 // get multiple AliCDBEntry objects from the database
 612 // Warning: this method works correctly only for queries of the type "Detector/*"
 613 //              and not for more specific queries e.g. "Detector/Calib/*" !
 614 // Warning #2: Entries are cached, but GetAll will keep on retrieving objects from OCDB!
 615 //              To get an object from cache use Get() function
 616
 617         if(!fDefaultStorage) {
 618                 AliError("No storage set!");
 619                 return NULL;
 620         }
 621
 622         if (!query.IsValid()) {
 623                 AliError(Form("Invalid query: %s", query.ToString().Data()));
 624                 return NULL;
 625         }
 626
 627         if((fSpecificStorages.GetEntries()>0) && query.GetPath().BeginsWith('*')){
 628                 // if specific storages are active a query with "*" is ambiguous
 629                 AliError("Query too generic in this context!");
 630                 return NULL;
 631         }
 632
 633         if (query.IsAnyRange()) {
 634                 AliError(Form("Unspecified run or runrange: %s",
 635                                 query.ToString().Data()));
 636                 return NULL;
 637         }
 638
 639         AliCDBParam *aPar=SelectSpecificStorage(query.GetPath());
 640
 641         AliCDBStorage *aStorage;
 642         if(aPar) {
 643                 aStorage=GetStorage(aPar);
 644                 AliDebug(2,Form("Looking into storage: %s", aPar->GetURI().Data()));
 645
 646         } else {
 647                 aStorage=GetDefaultStorage();
 648                 AliDebug(2,"Looking into default storage");
 649         }
 650
 651         TList *result = 0;
 652         if(aStorage) result = aStorage->GetAll(query);
 653         if(!result) return 0;
 654
 655        // loop on result to check whether entries should be re-queried with specific storages
 656         if(fSpecificStorages.GetEntries()>0 && ! (fSpecificStorages.GetEntries() == 1 && aPar)) {
 657                 AliInfo("Now look into all other specific storages...");
 658
 659                 TIter iter(result);
 660                 AliCDBEntry* chkEntry=0;
 661
 662                 while((chkEntry = dynamic_cast<AliCDBEntry*> (iter.Next()))){
 663                         AliCDBId& chkId = chkEntry->GetId();
 664                         AliDebug(2, Form("Checking id %s ", chkId.GetPath().Data()));
 665                         AliCDBParam *chkPar=SelectSpecificStorage(chkId.GetPath());
 666                         if (!chkPar || aPar == chkPar) continue;
 667                         AliCDBStorage *chkStorage = GetStorage(chkPar);
 668                         AliDebug(2, Form("Found specific storage! %s", chkPar->GetURI().Data()));
 669
 670                         AliCDBEntry *newEntry=0;
 671                         chkId.SetRunRange(query.GetFirstRun(), query.GetLastRun());
 672                         chkId.SetVersion(query.GetVersion());
 673                         chkId.SetSubVersion(query.GetSubVersion());
 674
 675                         if(chkStorage) newEntry = chkStorage->Get(chkId);
 676                         if(!newEntry) continue;
 677
 678                         // object is found in specific storage: replace entry in the result list!
 679                         chkEntry->SetOwner(1);
 680                         delete result->Remove(chkEntry);
 681                         result->AddFirst(newEntry);
 682                 }
 683
 684                 Int_t nEntries = result->GetEntries();
 685                 AliInfo("After look into other specific storages, result list is:");
 686                 for(int i=0; i<nEntries;i++){
 687                         AliCDBEntry *entry = (AliCDBEntry*) result->At(i);
 688                         AliInfo(Form("%s",entry->GetId().ToString().Data()));
 689                 }
 690         }
 691
 692         // caching entries
 693         if(fCache && (query.GetFirstRun() == fRun)){
 694
 695                 TIter iter(result);
 696                 AliCDBEntry* entry=0;
 697                 while((entry = dynamic_cast<AliCDBEntry*> (iter.Next()))){
 698                         CacheEntry(entry->GetId().GetPath(), entry);
 699                 }
 700         }
 701
 702         return result;
 703 }
 704
 705 //_____________________________________________________________________________
 706 Bool_t AliCDBManager::Put(TObject* object, AliCDBId& id,  AliCDBMetaData* metaData, DataType type){
 707 // store an AliCDBEntry object into the database
 708
 709         AliCDBEntry anEntry(object, id, metaData);
 710         return Put(&anEntry, type);
 711
 712 }
 713
 714
 715 //_____________________________________________________________________________
 716 Bool_t AliCDBManager::Put(AliCDBEntry* entry, DataType type){
 717 // store an AliCDBEntry object into the database
 718
 719         if(type == kPrivate && !fDefaultStorage) {
 720                 AliError("No storage set!");
 721                 return kFALSE;
 722         }
 723
 724         if (!entry){
 725                 AliError("No entry!");
 726                 return kFALSE;
 727         }
 728
 729         if (!entry->GetId().IsValid()) {
 730                 AliError(Form("Invalid entry ID: %s",
 731                         entry->GetId().ToString().Data()));
 732                 return kFALSE;
 733         }
 734
 735         if (!entry->GetId().IsSpecified()) {
 736                 AliError(Form("Unspecified entry ID: %s",
 737                         entry->GetId().ToString().Data()));
 738                 return kFALSE;
 739         }
 740
 741         AliCDBId id = entry->GetId();
 742         AliCDBParam *aPar = SelectSpecificStorage(id.GetPath());
 743
 744         AliCDBStorage *aStorage=0;
 745
 746         if(aPar) {
 747                 aStorage=GetStorage(aPar);
 748         } else {
 749                 switch(type){
 750                         case kCondition:
 751                                 aStorage = GetStorage(fCondParam);
 752                                 break;
 753                         case kReference:
 754                                 aStorage = GetStorage(fRefParam);
 755                                 break;
 756                         case kPrivate:
 757                                 aStorage = GetDefaultStorage();
 758                                 break;
 759                 }
 760         }
 761
 762         AliDebug(2,Form("Storing object into storage: %s", aStorage->GetURI().Data()));
 763
 764         Bool_t result = aStorage->Put(entry, type);
 765
 766         if(fRun >= 0) QueryCDB();
 767
 768         return result;
 769
 770
 771 }
 772
 773 //_____________________________________________________________________________
 774 void AliCDBManager::CacheEntry(const char* path, AliCDBEntry* entry)
 775 {
 776 // cache AliCDBEntry. Cache is valid until run number is changed.
 777
 778         AliCDBEntry *chkEntry = dynamic_cast<AliCDBEntry*> (fEntryCache.GetValue(path));
 779
 780         if(chkEntry) {
 781                 AliDebug(2, Form("Object %s already in cache !!", path));
 782                 return;
 783         } else {
 784                 AliDebug(2,Form("Caching entry %s", path));
 785         }
 786
 787         fEntryCache.Add(new TObjString(path), entry);
 788         AliDebug(2,Form("Cache entries: %d", fEntryCache.GetEntries()));
 789
 790 }
 791
 792 //_____________________________________________________________________________
 793 void AliCDBManager::Print(Option_t* /*option*/) const
 794 {
 795 // Print list of active storages and their URIs
 796
 797         TString output=Form("Run number = %d; ",fRun);
 798         output += "Cache is ";
 799         if(!fCache) output += "NOT ";
 800         output += Form("ACTIVE; Number of active storages: %d\n",fActiveStorages.GetEntries());
 801
 802         if(fDefaultStorage) {
 803                 output += Form("\t*** Default Storage URI: \"%s\"\n",fDefaultStorage->GetURI().Data());
 804 //              AliInfo(output.Data());
 805         }
 806         if(fSpecificStorages.GetEntries()>0) {
 807                 TIter iter(fSpecificStorages.GetTable());
 808                 TPair *aPair=0;
 809                 Int_t i=1;
 810                 while((aPair = (TPair*) iter.Next())){
 811                         output += Form("\t*** Specific storage %d: Path \"%s\" -> URI \"%s\"\n",
 812                                 i++, ((TObjString*) aPair->Key())->GetName(),
 813                                 ((AliCDBParam*) aPair->Value())->GetURI().Data());
 814                 }
 815         }
 816         if(fDrainStorage) {
 817                 output += Form("*** Drain Storage URI: %s\n",fDrainStorage->GetURI().Data());
 818         }
 819         AliInfo(output.Data());
 820 }
 821
 822 //_____________________________________________________________________________
 823 void AliCDBManager::SetRun(Int_t run)
 824 {
 825 // Sets current run number.
 826 // When the run number changes the caching is cleared.
 827
 828         if (fRun == run)
 829                 return;
 830
 831         fRun = run;
 832         ClearCache();
 833         QueryCDB();
 834 }
 835
 836 //_____________________________________________________________________________
 837 void AliCDBManager::ClearCache(){
 838 // clear AliCDBEntry cache
 839
 840         AliDebug(2,Form("Clearing cache!"));
 841         fEntryCache.DeleteAll();
 842         AliDebug(2,Form("Cache entries: %d",fEntryCache.GetEntries()));
 843
 844 }
 845
 846 //_____________________________________________________________________________
 847 void AliCDBManager::UnloadFromCache(const char* path){
 848 // unload cached object
 849
 850         AliCDBPath queryPath(path);
 851         if(!queryPath.IsValid()) return;
 852
 853         if(!queryPath.IsWildcard()) { // path is not wildcard, get it directly from the cache and unload it!
 854                 if(fEntryCache.Contains(path)){
 855                         AliInfo(Form("Unloading object \"%s\" from cache", path));
 856                         TObjString pathStr(path);
 857                         AliCDBEntry *entry = dynamic_cast<AliCDBEntry*> (fEntryCache.GetValue(&pathStr));
 858                         if(entry) delete entry;
 859                         delete fEntryCache.Remove(&pathStr);
 860                 } else {
 861                         AliError(Form("Cache does not contain object \"%s\"!", path))
 862                 }
 863                 AliDebug(2,Form("Cache entries: %d",fEntryCache.GetEntries()));
 864                 return;
 865         }
 866
 867         // path is wildcard: loop on the cache and unload all comprised objects!
 868         TIter iter(fEntryCache.GetTable());
 869         TPair* pair = 0;
 870
 871         while((pair = dynamic_cast<TPair*> (iter.Next()))){
 872                 AliCDBPath entryPath = pair->Key()->GetName();
 873                 if(queryPath.Comprises(entryPath)) {
 874                         AliInfo(Form("Unloading object \"%s\" from cache", entryPath.GetPath().Data()));
 875                         TObjString pathStr(entryPath.GetPath().Data());
 876                         AliCDBEntry *entry = dynamic_cast<AliCDBEntry*> (fEntryCache.GetValue(&pathStr));
 877                         if(entry) delete entry;
 878                         delete fEntryCache.Remove(&pathStr);
 879                 }
 880         }
 881         AliDebug(2,Form("Cache entries: %d",fEntryCache.GetEntries()));
 882 }
 883
 884 //_____________________________________________________________________________
 885 void AliCDBManager::DestroyActiveStorages() {
 886 // delete list of active storages
 887
 888         fActiveStorages.DeleteAll();
 889         fSpecificStorages.DeleteAll();
 890 }
 891
 892 //_____________________________________________________________________________
 893 void AliCDBManager::DestroyActiveStorage(AliCDBStorage* /*storage*/) {
 894 // destroys active storage
 895
 896 /*
 897         TIter iter(fActiveStorages.GetTable());
 898         TPair* aPair;
 899         while ((aPair = (TPair*) iter.Next())) {
 900                 if(storage == (AliCDBStorage*) aPair->Value())
 901                         delete fActiveStorages.Remove(aPair->Key());
 902                         storage->Delete(); storage=0x0;
 903         }
 904 */
 905
 906 }
 907
 908 //_____________________________________________________________________________
 909 void AliCDBManager::QueryCDB() {
 910 // query default and specific storages for files valid for fRun. Every storage loads the Ids into its list.
 911
 912         if (fRun < 0){
 913                 AliError("Run number not yet set! Use AliCDBManager::SetRun.");
 914         return;
 915         }
 916         if (!fDefaultStorage){
 917                 AliError("Default storage is not set! Use AliCDBManager::SetDefaultStorage");
 918         return;
 919         }
 920         if(fDefaultStorage->GetType() == "alien"){
 921                 fDefaultStorage->QueryCDB(fRun);
 922         } else {
 923                 AliDebug(2,"Skipping query for valid files, it used only in grid...");
 924         }
 925
 926         TIter iter(&fSpecificStorages);
 927         TObjString *aCalibType=0;
 928         AliCDBParam* aPar=0;
 929         while((aCalibType = dynamic_cast<TObjString*> (iter.Next()))){
 930                 aPar = (AliCDBParam*) fSpecificStorages.GetValue(aCalibType);
 931                 if(aPar) {
 932                         AliDebug(2,Form("Querying specific storage %s",aCalibType->GetName()));
 933                         AliCDBStorage *aStorage = GetStorage(aPar);
 934                         if(aStorage->GetType() == "alien"){
 935                                 aStorage->QueryCDB(fRun,aCalibType->GetName());
 936                         } else {
 937                                 AliDebug(2,
 938                                         "Skipping query for valid files, it is used only in grid...");
 939                         }
 940                 }
 941         }
 942 }
 943
 944 //______________________________________________________________________________________________
 945 const char* AliCDBManager::GetDataTypeName(DataType type)
 946 {
 947   // returns the name (string) of the data type
 948
 949       switch (type){
 950             case kCondition: return "Conditions";
 951             case kReference: return "Reference";
 952             case kPrivate: return "Private";
 953      }
 954      return 0;
 955
 956 }
 957
 958 //______________________________________________________________________________________________
 959 void AliCDBManager::InitShortLived()
 960 {
 961   // Init the list of short-lived objects
 962   // currently disabled
 963
 964         fShortLived=0x0;
 965
 966 //      fShortLived = new TList();
 967 //      fShortLived->SetOwner(1);
 968 //
 969 //      fShortLived->Add(new TObjString("EMCAL/Calib/Data"));
 970 //
 971 //      fShortLived->Add(new TObjString("HMPID/Calib/Nmean"));
 972 //      fShortLived->Add(new TObjString("HMPID/Calib/Qthre"));
 973 //
 974 //      fShortLived->Add(new TObjString("ITS/Calib/CalibSPD"));
 975 //
 976 //      fShortLived->Add(new TObjString("MUON/Calib/Gains"));
 977 //      fShortLived->Add(new TObjString("MUON/Calib/HV"));
 978 //      fShortLived->Add(new TObjString("MUON/Calib/Pedestals"));
 979 //
 980 //      fShortLived->Add(new TObjString("PHOS/Calib/CpvGainPedestals"));
 981 //      fShortLived->Add(new TObjString("PHOS/Calib/EmcGainPedestals"));
 982 //
 983 //      fShortLived->Add(new TObjString("PMD/Calib/Data"));
 984 //
 985 //      fShortLived->Add(new TObjString("TRD/Calib/ChamberGainFactor"));
 986 //      fShortLived->Add(new TObjString("TRD/Calib/LocalGainFactor"));
 987 //      fShortLived->Add(new TObjString("TRD/Calib/ChamberT0"));
 988 //      fShortLived->Add(new TObjString("TRD/Calib/LocalT0"));
 989 //      fShortLived->Add(new TObjString("TRD/Calib/ChamberVdrift"));
 990 //      fShortLived->Add(new TObjString("TRD/Calib/LocalVdrift"));
 991 //
 992 //      fShortLived->Add(new TObjString("ZDC/Calib/Data"));
 993
 994 }
 995
 996 //______________________________________________________________________________________________
 997 Bool_t AliCDBManager::IsShortLived(const char* path)
 998 {
 999   // returns the name (string) of the data type
1000
1001         if(!fShortLived) return kFALSE;
1002
1003         AliCDBPath aPath(path);
1004         if(!aPath.IsValid()){
1005                 AliError(Form("Not a valid path: %s", path));
1006                 return kFALSE;
1007         }
1008
1009         return fShortLived->Contains(path);
1010
1011 }
1012
1013 ///////////////////////////////////////////////////////////
1014 // AliCDBManager Parameter class                         //
1015 // interface to specific AliCDBParameter class           //
1016 // (AliCDBGridParam, AliCDBLocalParam, AliCDBDumpParam)  //
1017 ///////////////////////////////////////////////////////////
1018
1019 AliCDBParam::AliCDBParam():
1020   fType(),
1021   fURI()
1022 {
1023 // constructor
1024
1025 }
1026
1027 //_____________________________________________________________________________
1028 AliCDBParam::~AliCDBParam() {
1029 // destructor
1030
1031 }
1032