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
  16   virtual void destroy (JAWS_Cache_Object *);
  17
  18 };
  19
  20 class JAWS_Export JAWS_Counted_Filecache_Factory
  21   : public JAWS_Counted_Cache_Object_Factory
  22 {
  23 public:
  24
  25   virtual void destroy (JAWS_Cache_Object *);
  26
  27 };
  28
  29 typedef JAWS_Cache_Manager<JAWS_Strdup_String,
  30                            JAWS_Referenced_Filecache_Factory,
  31                            JAWS_String_Hash_Functor,
  32                            JAWS_String_Equal_Functor>
  33         JAWS_Referenced_Filecache_Manager;
  34
  35 typedef JAWS_Cache_Manager<JAWS_Strdup_String,
  36                            JAWS_Counted_Filecache_Factory,
  37                            JAWS_String_Hash_Functor,
  38                            JAWS_String_Equal_Functor>
  39         JAWS_Counted_Filecache_Manager;
  40
  41 typedef JAWS_Counted_Filecache_Manager JAWS_Filecache_Manager;
  42
  43 typedef JAWS_Cache_Proxy<const char *,
  44                          JAWS_FILE, JAWS_Filecache_Manager>
  45         JAWS_Filecache_Proxy;
  46
  47 class JAWS_Export JAWS_Cached_FILE : private JAWS_Filecache_Proxy
  48 {
  49 public:
  50
  51   JAWS_Cached_FILE (const char *const &filename,
  52                     JAWS_Filecache_Proxy::Cache_Manager *cm = 0);
  53   JAWS_Cached_FILE (const char *const &filename,
  54                     JAWS_FILE *&file,
  55                     size_t size,
  56                     JAWS_Filecache_Proxy::Cache_Manager *cm = 0);
  57
  58   ~JAWS_Cached_FILE (void);
  59
  60   ACE_FILE_IO * file (void);
  61   ACE_Mem_Map * mmap (void);
  62
  63 private:
  64
  65   ACE_FILE_IO file_;
  66
  67 };
  68
  69
  70 #endif /* JAWS_FILECACHE_H */