STEER/AliCDBManager.h

   1 #ifndef ALI_CDB_MANAGER_H
   2 #define ALI_CDB_MANAGER_H
   3
   4 /* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
   5  * See cxx source for full Copyright notice                               */
   6
   7 /////////////////////////////////////////////////////////////////////
   8 //                                                                 //
   9 //  class AliCDBManager                                            //
  10 //                                                                 //
  11 /////////////////////////////////////////////////////////////////////
  12
  13 #include <TObject.h>
  14 #include <TList.h>
  15 #include <TMap.h>
  16
  17 #include "AliCDBEntry.h"
  18
  19 class AliCDBStorage;
  20 class AliCDBStorageFactory;
  21 class AliCDBParam;
  22
  23 class AliCDBManager: public TObject {
  24
  25  public:
  26
  27         void RegisterFactory(AliCDBStorageFactory* factory);
  28
  29         Bool_t HasStorage(const char* dbString);
  30
  31         AliCDBParam* CreateParameter(const char* dbString);
  32
  33         AliCDBStorage* GetStorage(const char* dbString);
  34         AliCDBStorage* GetStorage(const AliCDBParam* param);
  35
  36         TList* GetActiveStorages();
  37
  38         void SetDefaultStorage(const char* dbString);
  39         void SetDefaultStorage(const AliCDBParam* param);
  40         void SetDefaultStorage(AliCDBStorage *storage);
  41
  42         Bool_t IsDefaultStorageSet() {return fDefaultStorage != 0;}
  43
  44         AliCDBStorage* GetDefaultStorage() {return fDefaultStorage;}
  45
  46         void RemoveDefaultStorage();
  47
  48         void SetDrain(const char* dbString);
  49         void SetDrain(const AliCDBParam* param);
  50         void SetDrain(AliCDBStorage *storage);
  51
  52         Bool_t IsDrainSet() {return fDrainStorage != 0;}
  53
  54         Bool_t Drain(AliCDBEntry* entry);
  55
  56         void RemoveDrain();
  57
  58         void DestroyActiveStorages();
  59         void DestroyActiveStorage(AliCDBStorage* storage);
  60
  61         static void Destroy();
  62         ~AliCDBManager();
  63
  64         static AliCDBManager* Instance();
  65
  66  private:
  67
  68         AliCDBManager();
  69         static AliCDBManager* fgInstance;
  70
  71         AliCDBStorage* GetActiveStorage(const AliCDBParam* param);
  72         void PutActiveStorage(AliCDBParam* param, AliCDBStorage* storage);
  73
  74         void Init();
  75
  76         TList fFactories;               // list of registered storage factories
  77         TMap fActiveStorages;           // list of active storages
  78         AliCDBStorage *fDefaultStorage; // pointer to default storage
  79         AliCDBStorage *fDrainStorage;   // pointer to drain storage
  80
  81         ClassDef(AliCDBManager, 0);
  82 };
  83
  84
  85 /////////////////////////////////////////////////////////////////////
  86 //                                                                 //
  87 //  class AliCDBStorageFactory                                     //
  88 //                                                                 //
  89 /////////////////////////////////////////////////////////////////////
  90
  91 class AliCDBParam;
  92 class AliCDBStorageFactory: public TObject {
  93         friend class AliCDBManager;
  94
  95 public:
  96         virtual Bool_t Validate(const char* dbString) = 0;
  97         virtual AliCDBParam* CreateParameter(const char* dbString) = 0;
  98
  99 protected:
 100         virtual AliCDBStorage* Create(const AliCDBParam* param) = 0;
 101
 102         ClassDef(AliCDBStorageFactory, 0);
 103 };
 104
 105 /////////////////////////////////////////////////////////////////////
 106 //                                                                 //
 107 //  class AliCDBParam                                              //
 108 //                                                                 //
 109 /////////////////////////////////////////////////////////////////////
 110
 111 class AliCDBParam: public TObject {
 112
 113 public:
 114
 115         AliCDBParam();
 116         virtual ~AliCDBParam();
 117
 118         const TString& GetType() const {return fType;};
 119         const TString& GetURI() const {return fURI;};
 120
 121         virtual AliCDBParam* CloneParam() const = 0;
 122
 123 protected:
 124
 125         void SetType(const char* type) {fType = type;};
 126         void SetURI(const char* uri) {fURI = uri;};
 127
 128 private:
 129
 130         TString fType;
 131         TString fURI;
 132
 133         ClassDef(AliCDBParam, 0);
 134 };
 135
 136 #endif