]> git.uio.no Git - u/mrichter/AliRoot.git/blob - STEER/AliCDBManager.cxx
Removing the run DB. The information contained in the DB is still stored in the raw...
[u/mrichter/AliRoot.git] / STEER / AliCDBManager.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 //   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 //_____________________________________________________________________________
70 void AliCDBManager::Destroy() {
71 // delete ALCDBManager instance and active storages
72
73         if (fgInstance) {
74                 //fgInstance->Delete();
75                 delete fgInstance;
76                 fgInstance = 0x0;
77         }
78 }
79
80 //_____________________________________________________________________________
81 AliCDBManager::AliCDBManager():
82   TObject(),
83   fCondParam(0),
84   fRefParam(0),
85   fFactories(),
86   fActiveStorages(),
87   fSpecificStorages(),
88   fDefaultStorage(NULL),
89   fDrainStorage(NULL),
90   fEntryCache(),
91   fCache(kTRUE),
92   fRun(-1)
93 {
94 // default constuctor
95         fFactories.SetOwner(1);
96         fActiveStorages.SetOwner(1);
97         fSpecificStorages.SetOwner(1);
98         fEntryCache.SetOwner(1);
99 }
100
101 //_____________________________________________________________________________
102 AliCDBManager::~AliCDBManager() {
103 // destructor
104         ClearCache();
105         DestroyActiveStorages();
106         fFactories.Delete();
107         fDrainStorage = 0x0;
108         fDefaultStorage = 0x0;
109         delete fCondParam;
110         delete fRefParam;
111 }
112
113 //_____________________________________________________________________________
114 void AliCDBManager::PutActiveStorage(AliCDBParam* param, AliCDBStorage* storage){
115 // put a storage object into the list of active storages
116
117         fActiveStorages.Add(param, storage);
118         AliDebug(1, Form("Active storages: %d", fActiveStorages.GetEntries()));
119 }
120
121 //_____________________________________________________________________________
122 void AliCDBManager::RegisterFactory(AliCDBStorageFactory* factory) {
123 // add a storage factory to the list of registerd factories
124  
125         if (!fFactories.Contains(factory)) {
126                 fFactories.Add(factory);
127         }
128 }
129
130 //_____________________________________________________________________________
131 Bool_t AliCDBManager::HasStorage(const char* dbString) const {
132 // check if dbString is a URI valid for one of the registered factories 
133
134         TIter iter(&fFactories);
135
136         AliCDBStorageFactory* factory=0;
137         while ((factory = (AliCDBStorageFactory*) iter.Next())) {
138
139                 if (factory->Validate(dbString)) {
140                         return kTRUE;
141                 }       
142         }
143
144         return kFALSE;
145 }
146
147 //_____________________________________________________________________________
148 AliCDBParam* AliCDBManager::CreateParameter(const char* dbString) const {
149 // create AliCDBParam object from URI string
150
151         TIter iter(&fFactories);
152
153         AliCDBStorageFactory* factory=0;
154         while ((factory = (AliCDBStorageFactory*) iter.Next())) {
155                 AliCDBParam* param = factory->CreateParameter(dbString);
156                 if(param) return param;
157         }
158
159         return NULL;
160 }
161
162 //_____________________________________________________________________________
163 AliCDBStorage* AliCDBManager::GetStorage(const char* dbString) {
164 // get storage object from URI string
165         
166         AliCDBParam* param = CreateParameter(dbString);
167         if (!param) {
168                 AliError(Form("Failed to activate requested storage! Check URI: %s", dbString));
169                 return NULL;
170         }
171
172         AliCDBStorage* aStorage = GetStorage(param);
173
174         delete param;
175         return aStorage;
176 }
177
178 //_____________________________________________________________________________
179 AliCDBStorage* AliCDBManager::GetStorage(const AliCDBParam* param) {
180 // get storage object from AliCDBParam object
181
182         // if the list of active storages already contains
183         // the requested storage, return it
184         AliCDBStorage* aStorage = GetActiveStorage(param);
185         if (aStorage) {
186                 return aStorage;
187         }
188
189         TIter iter(&fFactories);
190
191         AliCDBStorageFactory* factory=0;
192
193         // loop on the list of registered factories
194         while ((factory = (AliCDBStorageFactory*) iter.Next())) {
195
196                 // each factory tries to create its storage from the parameter
197                 aStorage = factory->Create(param);
198                 if (aStorage) {
199                         PutActiveStorage(param->CloneParam(), aStorage);
200                         aStorage->SetURI(param->GetURI());
201                         if(fRun >= 0) {
202                                 aStorage->QueryCDB(fRun);
203                         }
204                         return aStorage;
205                 }
206         }
207
208         AliError(Form("Failed to activate requested storage! Check URI: %s", param->GetURI().Data()));
209
210         return NULL;
211 }
212
213 //_____________________________________________________________________________
214 AliCDBStorage* AliCDBManager::GetActiveStorage(const AliCDBParam* param) {
215 // get a storage object from the list of active storages
216
217         return dynamic_cast<AliCDBStorage*> (fActiveStorages.GetValue(param));
218 }
219
220 //_____________________________________________________________________________
221 TList* AliCDBManager::GetActiveStorages() {
222 // return list of active storages
223 // user has responsibility to delete returned object
224
225         TList* result = new TList();
226
227         TIter iter(fActiveStorages.GetTable());
228         TPair* aPair=0;
229         while ((aPair = (TPair*) iter.Next())) {
230                 result->Add(aPair->Value());
231         }
232
233         return result;
234 }
235
236 //_____________________________________________________________________________
237 void AliCDBManager::SetDrain(const char* dbString) {
238 // set drain storage from URI string
239
240         fDrainStorage = GetStorage(dbString);   
241 }
242
243 //_____________________________________________________________________________
244 void AliCDBManager::SetDrain(const AliCDBParam* param) {
245 // set drain storage from AliCDBParam
246
247         fDrainStorage = GetStorage(param);
248 }
249
250 //_____________________________________________________________________________
251 void AliCDBManager::SetDrain(AliCDBStorage* storage) {
252 // set drain storage from another active storage
253         
254         fDrainStorage = storage;
255 }
256
257 //_____________________________________________________________________________
258 Bool_t AliCDBManager::Drain(AliCDBEntry *entry) {
259 // drain retrieved object to drain storage
260
261         AliDebug(2, "Draining into drain storage...");
262         return fDrainStorage->Put(entry);
263 }
264
265 //_____________________________________________________________________________
266 void AliCDBManager::SetDefaultStorage(const char* dbString) {
267 // sets default storage from URI string
268
269         AliInfo(Form("Setting Default storage to: %s",dbString));
270         fDefaultStorage = GetStorage(dbString);
271 }
272
273 //_____________________________________________________________________________
274 void AliCDBManager::SetDefaultStorage(const AliCDBParam* param) {
275 // set default storage from AliCDBParam object
276         
277         fDefaultStorage = GetStorage(param);
278 }
279
280 //_____________________________________________________________________________
281 void AliCDBManager::SetDefaultStorage(AliCDBStorage* storage) {
282 // set default storage from another active storage
283         
284         fDefaultStorage = storage;
285 }
286
287 //_____________________________________________________________________________
288 void AliCDBManager::SetSpecificStorage(const char* calibType, const char* dbString) {
289 // sets storage specific for detector or calibration type (works with AliCDBManager::Get(...))
290
291         AliCDBParam *aPar = CreateParameter(dbString);
292         if(!aPar) return;
293         SetSpecificStorage(calibType, aPar);
294         delete aPar;
295 }
296
297 //_____________________________________________________________________________
298 void AliCDBManager::SetSpecificStorage(const char* calibType, AliCDBParam* param) {
299 // sets storage specific for detector or calibration type (works with AliCDBManager::Get(...))
300 // Default storage should be defined prior to any specific storages, e.g.:
301 // AliCDBManager::instance()->SetDefaultStorage("alien://");
302 // AliCDBManager::instance()->SetSpecificStorage("TPC/*","local://DB_TPC");
303 // AliCDBManager::instance()->SetSpecificStorage("*/Align/*","local://DB_TPCAlign");
304 // calibType must be a valid CDB path! (3 level folder structure)
305
306         if(!fDefaultStorage) {
307                 AliError("Please activate a default storage first!");
308                 return;
309         }
310         
311         AliCDBPath aPath(calibType);
312         if(!aPath.IsValid()){
313                 AliError(Form("Not a valid path: %s", calibType));
314                 return;
315         }
316
317         TObjString *objCalibType = new TObjString(aPath.GetPath());
318         if(fSpecificStorages.Contains(objCalibType)){
319                 AliWarning(Form("Storage \"%s\" already activated! It will be replaced by the new one",
320                                         calibType));
321                 delete fSpecificStorages.Remove(objCalibType);
322         }
323         GetStorage(param);
324         fSpecificStorages.Add(objCalibType, param->CloneParam());
325 }
326
327 //_____________________________________________________________________________
328 AliCDBStorage* AliCDBManager::GetSpecificStorage(const char* calibType) {
329 // get storage specific for detector or calibration type 
330
331         AliCDBPath calibPath(calibType);
332         if(!calibPath.IsValid()) return NULL;
333         
334         AliCDBParam *checkPar = (AliCDBParam*) fSpecificStorages.GetValue(calibPath.GetPath());
335         if(!checkPar){
336                 AliError(Form("%s storage not found!", calibType));
337                 return NULL;
338         } else {
339                 return GetStorage(checkPar);
340         }
341         
342 }
343
344 //_____________________________________________________________________________
345 AliCDBParam* AliCDBManager::SelectSpecificStorage(const TString& path) {
346 // select storage valid for path from the list of specific storages
347
348         AliCDBPath aPath(path);
349         if(!aPath.IsValid()){
350                 AliError(Form("Not a valid path: %s", path.Data()));
351                 return NULL;
352         }
353
354         TIter iter(&fSpecificStorages);
355         TObjString *aCalibType=0;
356         AliCDBParam* aPar=0;
357         while((aCalibType = (TObjString*) iter.Next())){
358                 AliCDBPath calibTypePath(aCalibType->GetName());
359                 if(calibTypePath.Comprises(aPath)) {
360                         aPar = (AliCDBParam*) fSpecificStorages.GetValue(aCalibType);
361                         break;
362                 }
363         }
364         return aPar;
365 }
366
367 //_____________________________________________________________________________
368 AliCDBEntry* AliCDBManager::Get(const AliCDBPath& path, Int_t runNumber, 
369         Int_t version, Int_t subVersion) {
370 // get an AliCDBEntry object from the database
371
372         if(runNumber < 0){
373                 // RunNumber is not specified. Try with fRun
374                 if (fRun < 0){
375                         AliError("Run number neither specified in query nor set in AliCDBManager! Use AliCDBManager::SetRun.");
376                         return NULL;
377                 }
378                 runNumber = fRun;
379         }
380
381         return Get(AliCDBId(path, runNumber, runNumber, version, subVersion));
382 }
383
384 //_____________________________________________________________________________
385 AliCDBEntry* AliCDBManager::Get(const AliCDBPath& path, 
386         const AliCDBRunRange& runRange, Int_t version,
387         Int_t subVersion) {
388 // get an AliCDBEntry object from the database!
389
390         return Get(AliCDBId(path, runRange, version, subVersion));
391 }
392
393 //_____________________________________________________________________________
394 AliCDBEntry* AliCDBManager::Get(const AliCDBId& query) {        
395 // get an AliCDBEntry object from the database
396         
397         if(!fDefaultStorage) {
398                 AliError("No storage set!");
399                 return NULL;
400         }
401
402         // check if query's path and runRange are valid
403         // query is invalid also if version is not specified and subversion is!
404         if (!query.IsValid()) {
405                 AliError(Form("Invalid query: %s", query.ToString().Data()));
406                 return NULL;
407         }
408         
409         // query is not specified if path contains wildcard or run range= [-1,-1]
410         if (!query.IsSpecified()) {
411                 AliError(Form("Unspecified query: %s", 
412                                 query.ToString().Data()));
413                 return NULL;
414         }
415
416         if(fCache && query.GetFirstRun() != fRun)
417                 AliWarning("Run number explicitly set in query: CDB cache temporarily disabled!");
418
419
420         AliCDBEntry *entry=0;
421
422         // first look into map of cached objects
423         if(fCache && query.GetFirstRun() == fRun)
424                 entry = (AliCDBEntry*) fEntryCache.GetValue(query.GetPath());
425
426         if(entry) {
427                 AliDebug(2, Form("Object %s retrieved from cache !!",query.GetPath().Data()));
428                 return entry;
429         }
430         
431         // Entry is not in cache -> retrieve it from CDB and cache it!!   
432         AliCDBStorage *aStorage=0;
433         AliCDBParam *aPar=SelectSpecificStorage(query.GetPath());
434
435         if(aPar) {
436                 aStorage=GetStorage(aPar);
437                 TString str = aPar->GetURI();
438                 AliDebug(2,Form("Looking into storage: %s",str.Data()));
439                 
440         } else {
441                 aStorage=GetDefaultStorage();
442                 AliDebug(2,"Looking into default storage");     
443         }
444                         
445         entry = aStorage->Get(query);
446         if (!entry) return NULL;
447
448         if(fCache && (query.GetFirstRun() == fRun)){
449                 AliDebug(2,Form("Caching entry %s !",query.GetPath().Data()));
450                 CacheEntry(query.GetPath(), entry);
451         }
452
453         return entry;
454                 
455 }
456
457 //_____________________________________________________________________________
458 TList* AliCDBManager::GetAll(const AliCDBPath& path, Int_t runNumber,
459         Int_t version, Int_t subVersion) {
460 // get multiple AliCDBEntry objects from the database
461
462         if(runNumber < 0){
463                 // RunNumber is not specified. Try with fRun
464                 if (fRun < 0){
465                         AliError("Run number neither specified in query nor set in AliCDBManager! Use AliCDBManager::SetRun.");
466                         return NULL;
467                 }
468                 runNumber = fRun;
469         }
470
471         return GetAll(AliCDBId(path, runNumber, runNumber, version,     
472                         subVersion));
473 }
474
475 //_____________________________________________________________________________
476 TList* AliCDBManager::GetAll(const AliCDBPath& path,
477         const AliCDBRunRange& runRange, Int_t version, Int_t subVersion) {
478 // get multiple AliCDBEntry objects from the database
479
480         return GetAll(AliCDBId(path, runRange, version, subVersion));
481 }
482
483 //_____________________________________________________________________________
484 TList* AliCDBManager::GetAll(const AliCDBId& query) {
485 // get multiple AliCDBEntry objects from the database
486 // Warning: this method works correctly only for queries of the type "Detector/*"
487 //              and not for more specific queries e.g. "Detector/Calib/*" !
488 // Warning #2: Entries are cached, but GetAll will keep on retrieving objects from OCDB!
489 //              To get an object from cache use Get() function
490
491         if(!fDefaultStorage) {
492                 AliError("No storage set!");
493                 return NULL;
494         }
495
496         if (!query.IsValid()) {
497                 AliError(Form("Invalid query: %s", query.ToString().Data()));
498                 return NULL;
499         }
500
501         if((fSpecificStorages.GetEntries()>0) && query.GetPath().BeginsWith('*')){
502                 // if specific storages are active a query with "*" is ambiguous
503                 AliError("Query too generic in this context!");
504                 return NULL;
505         }
506
507         if (query.IsAnyRange()) {
508                 AliError(Form("Unspecified run or runrange: %s",
509                                 query.ToString().Data()));
510                 return NULL;
511         }
512
513         TObjString objStrLev0(query.GetLevel0());
514         //AliCDBParam *aPar = (AliCDBParam*) fSpecificStorages.GetValue(&objStrLev0);
515         AliCDBParam *aPar=SelectSpecificStorage(query.GetPath());
516
517         AliCDBStorage *aStorage;
518         if(aPar) {
519                 aStorage=GetStorage(aPar);
520                 TString str = aPar->GetURI();
521                 AliDebug(2,Form("Looking into storage: %s",str.Data()));
522
523         } else {
524                 aStorage=GetDefaultStorage();
525                 AliDebug(2,"Looking into default storage");
526         }
527
528         TList *result = aStorage->GetAll(query);
529         if(!result) return 0;
530
531         // caching entries
532         if(fCache && (query.GetFirstRun() == fRun)){
533
534                 TIter iter(result);
535                 AliCDBEntry* entry=0;
536                 while((entry = dynamic_cast<AliCDBEntry*> (iter.Next()))){
537                         const AliCDBId& anId = entry->GetId();
538                         AliDebug(2,Form("Caching entry %s !", anId.GetPath().Data()));
539                         CacheEntry(anId.GetPath(), entry);
540                 }
541         }
542
543         return result;
544 }
545
546 //_____________________________________________________________________________
547 Bool_t AliCDBManager::Put(TObject* object, AliCDBId& id,  AliCDBMetaData* metaData, DataType type){
548 // store an AliCDBEntry object into the database
549
550         AliCDBEntry anEntry(object, id, metaData);
551         return Put(&anEntry, type);
552
553 }
554
555
556 //_____________________________________________________________________________
557 Bool_t AliCDBManager::Put(AliCDBEntry* entry, DataType type){
558 // store an AliCDBEntry object into the database
559
560         if(type == kPrivate && !fDefaultStorage) {
561                 AliError("No storage set!");
562                 return kFALSE;
563         }
564
565         if (!entry){
566                 AliError("No entry!");
567                 return kFALSE;
568         }
569
570         if (!entry->GetId().IsValid()) {
571                 AliError(Form("Invalid entry ID: %s", 
572                         entry->GetId().ToString().Data()));
573                 return kFALSE;
574         }       
575
576         if (!entry->GetId().IsSpecified()) {
577                 AliError(Form("Unspecified entry ID: %s", 
578                         entry->GetId().ToString().Data()));
579                 return kFALSE;
580         }
581
582         AliCDBId id = entry->GetId();
583         AliCDBParam *aPar = SelectSpecificStorage(id.GetPath());
584
585         AliCDBStorage *aStorage;
586         
587         if(aPar) {
588                 aStorage=GetStorage(aPar);
589         } else {
590                 switch(type){
591                         case kCondition:
592                                 aStorage = GetStorage(fCondParam);
593                                 break;
594                         case kReference:
595                                 aStorage = GetStorage(fRefParam);
596                                 break;
597                         case kPrivate:
598                                 aStorage = GetDefaultStorage();
599                                 break;
600                 }
601         }
602
603         AliDebug(2,Form("Storing object into storage: %s", aStorage->GetURI().Data()));
604
605         return aStorage->Put(entry, type);
606
607
608 }
609
610 //_____________________________________________________________________________
611 void AliCDBManager::CacheEntry(const char* path, AliCDBEntry* entry)
612 {
613 // cache AliCDBEntry. Cache is valid until run number is changed.
614
615         AliDebug(2,Form("Filling cache with entry %s",path));
616         fEntryCache.Add(new TObjString(path), entry);
617         AliDebug(2,Form("Cache entries: %d",fEntryCache.GetEntries()));
618
619 }
620
621 //_____________________________________________________________________________
622 void AliCDBManager::Print(Option_t* /*option*/) const
623 {
624 // Print list of active storages and their URIs
625
626         TString output=Form("Run number = %d; ",fRun);
627         output += "Cache is ";
628         if(!fCache) output += "NOT ";
629         output += Form("ACTIVE; Number of active storages: %d\n",fActiveStorages.GetEntries());
630
631         if(fDefaultStorage) {
632                 output += Form("\t*** Default Storage URI: \"%s\"\n",fDefaultStorage->GetURI().Data());
633 //              AliInfo(output.Data());
634         }
635         if(fSpecificStorages.GetEntries()>0) {
636                 TIter iter(fSpecificStorages.GetTable());
637                 TPair *aPair=0;
638                 Int_t i=1;
639                 while((aPair = (TPair*) iter.Next())){
640                         output += Form("\t*** Specific storage %d: Path \"%s\" -> URI \"%s\"\n",
641                                 i++, ((TObjString*) aPair->Key())->GetName(),
642                                 ((AliCDBParam*) aPair->Value())->GetURI().Data());
643                 }
644         }
645         if(fDrainStorage) {
646                 output += Form("*** Drain Storage URI: %s\n",fDrainStorage->GetURI().Data());
647         }
648         AliInfo(output.Data());
649 }
650
651 //_____________________________________________________________________________
652 void AliCDBManager::SetRun(Int_t run)
653 {
654 // Sets current run number.
655 // When the run number changes the caching is cleared.
656   
657         if (fRun == run)
658                 return;
659   
660         fRun = run;
661         ClearCache();
662         QueryCDB();
663 }
664
665 //_____________________________________________________________________________
666 void AliCDBManager::ClearCache(){
667 // clear AliCDBEntry cache
668
669         AliDebug(2,Form("Clearing cache!"));
670         fEntryCache.DeleteAll();
671         AliDebug(2,Form("Cache entries: %d",fEntryCache.GetEntries()));
672
673 }
674
675 //_____________________________________________________________________________
676 void AliCDBManager::DestroyActiveStorages() {
677 // delete list of active storages
678
679         fActiveStorages.DeleteAll();
680         fSpecificStorages.DeleteAll();
681 }
682
683 //_____________________________________________________________________________
684 void AliCDBManager::DestroyActiveStorage(AliCDBStorage* /*storage*/) {
685 // destroys active storage
686
687 /*
688         TIter iter(fActiveStorages.GetTable());
689         TPair* aPair;
690         while ((aPair = (TPair*) iter.Next())) {
691                 if(storage == (AliCDBStorage*) aPair->Value())
692                         delete fActiveStorages.Remove(aPair->Key());
693                         storage->Delete(); storage=0x0;
694         }
695 */
696
697 }
698
699 //_____________________________________________________________________________
700 void AliCDBManager::QueryCDB() {
701 // query default and specific storages for files valid for fRun. Every storage loads the Ids into its list.
702
703         if (fRun < 0){
704                 AliError("Run number not yet set! Use AliCDBManager::SetRun.");
705         return;
706         }
707         if (!fDefaultStorage){
708                 AliError("Default storage is not set! Use AliCDBManager::SetDefaultStorage");
709         return;
710         }
711         if(fDefaultStorage->GetType() == "alien"){
712                 fDefaultStorage->QueryCDB(fRun);
713         } else {
714                 AliDebug(2,"Skipping query for valid files, it used only in grid...");
715         }
716
717         TIter iter(&fSpecificStorages);
718         TObjString *aCalibType=0;
719         AliCDBParam* aPar=0;
720         while((aCalibType = dynamic_cast<TObjString*> (iter.Next()))){
721                 aPar = (AliCDBParam*) fSpecificStorages.GetValue(aCalibType);
722                 if(aPar) {
723                         AliDebug(2,Form("Querying specific storage %s",aCalibType->GetName()));
724                         AliCDBStorage *aStorage = GetStorage(aPar);
725                         if(aStorage->GetType() == "alien"){
726                                 aStorage->QueryCDB(fRun,aCalibType->GetName());
727                         } else {
728                                 AliDebug(2,
729                                         "Skipping query for valid files, it is used only in grid...");
730                         }
731                 }
732         }
733 }
734
735 //______________________________________________________________________________________________
736 const char* AliCDBManager::GetDataTypeName(DataType type)
737 {
738   // returns the name (string) of the data type
739
740       switch (type){
741             case kCondition: return "Conditions";
742             case kReference: return "Reference";
743             case kPrivate: return "Private";
744      }
745      return 0;
746
747 }
748
749 ///////////////////////////////////////////////////////////
750 // AliCDBManager Parameter class                         //
751 // interface to specific AliCDBParameter class           //
752 // (AliCDBGridParam, AliCDBLocalParam, AliCDBDumpParam)  //
753 ///////////////////////////////////////////////////////////
754
755 AliCDBParam::AliCDBParam():
756   fType(),
757   fURI()
758 {
759 // constructor
760
761 }
762
763 //_____________________________________________________________________________
764 AliCDBParam::~AliCDBParam() {
765 // destructor
766
767 }
768