TAO/orbsvcs/ImplRepo_Service/Config_Backing_Store.h

   1 /* -*- C++ -*- */
   2
   3 //=============================================================================
   4 /**
   5 *  @file Config_Backing_Store.h
   6 *
   7 *  These classes define ACE_Configuration implementations of the backing store.
   8 *
   9 *  @author Darrell Brunsch <brunsch@cs.wustl.edu>
  10 *  @author Priyanka Gontla <gontla_p@ociweb.com>
  11 */
  12 //=============================================================================
  13
  14 #ifndef CONFIG_BACKING_STORE_H
  15 #define CONFIG_BACKING_STORE_H
  16
  17 #include "ace/config-lite.h"
  18
  19 #if !defined (ACE_LACKS_PRAGMA_ONCE)
  20 # pragma once
  21 #endif /* ACE_LACKS_PRAGMA_ONCE */
  22
  23 #include "Locator_Repository.h"
  24
  25 #include "ace/Configuration.h"
  26
  27 /**
  28 * @class Config_Backing_Store
  29 *
  30 * @brief ACE_Configuration backing store interface containing all ImR persistent
  31 * information.
  32 *
  33 */
  34 class Config_Backing_Store : public Locator_Repository
  35 {
  36 public:
  37   Config_Backing_Store(const Options& opts,
  38                        CORBA::ORB_ptr orb,
  39                        ACE_Configuration& config);
  40
  41   virtual ~Config_Backing_Store();
  42
  43 protected:
  44   /// perform config backing store specific initialization
  45   /// (loads servers and activators from the backing store)
  46   virtual int init_repo(PortableServer::POA_ptr imr_poa);
  47
  48   /// perform server persistent update
  49   virtual int persistent_update(const Server_Info_Ptr& info, bool add);
  50
  51   /// perform activator persistent update
  52   virtual int persistent_update(const Activator_Info_Ptr& info, bool add);
  53
  54   /// perform persistent remove
  55   virtual int persistent_remove(const ACE_CString& name, bool activator);
  56
  57   /// remove the section with the given name from the key section
  58   int remove(const ACE_CString& name, const ACE_TCHAR* key);
  59
  60   /// the ACE_Configuration backing store
  61   ACE_Configuration& config_;
  62   /// the status of the config_
  63   int status_;
  64
  65 private:
  66   /// load all servers
  67   void loadServers();
  68   /// load all activators
  69   void loadActivators();
  70 };
  71
  72 /**
  73 * @class Heap_Backing_Store
  74 *
  75 * @brief Heap file backing store containing all ImR persistent information.
  76 *
  77 */
  78 class Heap_Backing_Store : public Config_Backing_Store
  79 {
  80 public:
  81   Heap_Backing_Store(const Options& opts,
  82                      CORBA::ORB_ptr orb);
  83
  84   virtual ~Heap_Backing_Store();
  85
  86   /// indicate the Heap filename as the persistence mode for the repository
  87   virtual const ACE_TCHAR* repo_mode() const;
  88
  89 private:
  90   /// the Heap filename
  91   const ACE_TString filename_;
  92   /// the Heap used for the actual backing store
  93   ACE_Configuration_Heap heap_;
  94 };
  95
  96 /**
  97 * @class Registry_Backing_Store
  98 *
  99 * @brief Win32 registry backing store containing all ImR persistent
 100 * information.
 101 *
 102 */
 103 class Registry_Backing_Store : public Config_Backing_Store
 104 {
 105 public:
 106   Registry_Backing_Store(const Options& opts,
 107                          CORBA::ORB_ptr orb);
 108
 109   virtual ~Registry_Backing_Store();
 110
 111   /// indicate Registry as the persistence mode for the repository
 112   virtual const ACE_TCHAR* repo_mode() const;
 113
 114 private:
 115 #if defined (ACE_WIN32) && !defined (ACE_LACKS_WIN32_REGISTRY)
 116   /// the Win32 registry used for the actual backing store
 117   ACE_Configuration_Win32Registry win32registry_;
 118 #else
 119   // invalid config (used to simplify #defines)
 120   ACE_Configuration_Heap invalid_config_;
 121 #endif
 122 };
 123
 124
 125 #endif /* CONFIG_BACKING_STORE_H */