ACE/apps/JAWS2/JAWS/Filecache.h

   1 /* -*- c++ -*- */
   2 #ifndef JAWS_FILECACHE_H
   3 #define JAWS_FILECACHE_H
   4
   5 #include "ace/FILE_IO.h"
   6
   7 #include "JAWS/Cache_Manager.h"
   8 #include "JAWS/FILE.h"
   9 #include "JAWS/Export.h"
  10
  11 class JAWS_Export JAWS_Referenced_Filecache_Factory
  12   : public JAWS_Referenced_Cache_Object_Factory
  13 {
  14 public:
  15   virtual void destroy (JAWS_Cache_Object *);
  16 };
  17
  18 class JAWS_Export JAWS_Counted_Filecache_Factory
  19   : public JAWS_Counted_Cache_Object_Factory
  20 {
  21 public:
  22   virtual void destroy (JAWS_Cache_Object *);
  23 };
  24
  25 typedef JAWS_Cache_Manager<JAWS_Strdup_String,
  26                            JAWS_Referenced_Filecache_Factory,
  27                            JAWS_String_Hash_Functor,
  28                            JAWS_String_Equal_Functor>
  29         JAWS_Referenced_Filecache_Manager;
  30
  31 typedef JAWS_Cache_Manager<JAWS_Strdup_String,
  32                            JAWS_Counted_Filecache_Factory,
  33                            JAWS_String_Hash_Functor,
  34                            JAWS_String_Equal_Functor>
  35         JAWS_Counted_Filecache_Manager;
  36
  37 typedef JAWS_Counted_Filecache_Manager JAWS_Filecache_Manager;
  38
  39 typedef JAWS_Cache_Proxy<const char *,
  40                          JAWS_FILE, JAWS_Filecache_Manager>
  41         JAWS_Filecache_Proxy;
  42
  43 class JAWS_Export JAWS_Cached_FILE : private JAWS_Filecache_Proxy
  44 {
  45 public:
  46   JAWS_Cached_FILE (const char *const &filename,
  47                     JAWS_Filecache_Proxy::Cache_Manager *cm = 0);
  48   JAWS_Cached_FILE (const char *const &filename,
  49                     JAWS_FILE *&file,
  50                     size_t size,
  51                     JAWS_Filecache_Proxy::Cache_Manager *cm = 0);
  52
  53   ~JAWS_Cached_FILE ();
  54
  55   ACE_FILE_IO * file ();
  56   ACE_Mem_Map * mmap ();
  57
  58 private:
  59   ACE_FILE_IO file_;
  60 };
  61
  62
  63 #endif /* JAWS_FILECACHE_H */