diff options
Diffstat (limited to 'ace/Cache_Manager_T.h')
| -rw-r--r-- | ace/Cache_Manager_T.h | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/ace/Cache_Manager_T.h b/ace/Cache_Manager_T.h deleted file mode 100644 index a35ccc70c9c..00000000000 --- a/ace/Cache_Manager_T.h +++ /dev/null @@ -1,193 +0,0 @@ -/* -*- c++ -*- */ -// $Id$ - -// @@ James, please add a standard "header" here like you see in all -// the other ACE headerfiles. - -#ifndef ACE_CACHE_MANAGER_T_H -#define ACE_CACHE_MANAGER_T_H - -#include "ace/Singleton.h" -#include "ace/Synch.h" - -// @@ James, I think that this #include is wrong... -#include "ace_Cache_Object.h" - -// @@ James, can you please update ALL of these classes and methods to -// use the standard ACE commenting style, i.e., add = TITLE and = -// DESCRIPTION headers and comments for each method. - -template <class KEY, class HASH_FUNC, class EQ_FUNC> class ACE_Cache_Hash; -template <class KEY, class FACTORY, class HASH_FUNC, class EQ_FUNC> -class ACE_Cache_Heap; - -template <class KEY, class FACTORY, class HASH_FUNC, class EQ_FUNC> -class ACE_Cache_Manager -{ - friend class ACE_Cache_Hash<KEY, HASH_FUNC, EQ_FUNC>; - friend class ACE_Cache_Heap<KEY, FACTORY, HASH_FUNC, EQ_FUNC>; - -public: - typedef ACE_Singleton<FACTORY, ACE_SYNCH_MUTEX> - Object_Factory; - typedef ACE_Cache_Hash<KEY, HASH_FUNC, EQ_FUNC> - Cache_Hash; - typedef ACE_Cache_Heap<KEY, FACTORY, HASH_FUNC, EQ_FUNC> - Cache_Heap; - - ACE_Cache_Manager (ACE_Allocator *alloc = 0, - ACE_Cache_Object_Factory *cof = 0, - - // @@ James, can you please remove the use of - // explicit constants here and use macros instead - // that can be redefined, a la the ones in OS.h. - - size_t hashsize = 1024, // number of hash buckets - size_t maxsize = 4096, // max number of in memory - // objects - - size_t maxobjsize = 512, // max cached object size in kB - size_t minobjsize = 0, // min cached object size in kB - - size_t highwater = 50, // max size of cache in MB - size_t lowwater = 40, // min size of cache when - // expiring after highwater - // has been reached - - int timetolive = -1, // amt of time the lowest - // priority item is allowed to - // remain in the cache - - int counted = 0 // flag for whether to use - // counts - ); - - int open (ACE_Allocator *alloc = 0, - ACE_Cache_Object_Factory *cof = 0, - - size_t hashsize = 1024, // number of hash buckets - size_t maxsize = 4096, // max number of in memory - // objects - - size_t maxobjsize = 512, // max cached object size in kB - size_t minobjsize = 0, // min cached object size in kB - - size_t highwater = 50, // max size of cache in MB - size_t lowwater = 30, // min size of cache when - // expiring after highwater - // has been reached - - int timetolive = -1, // amount of time the lowest - // priority item is allowed to - // remain in the cache - - int counted = 0 // flag for whether to use - // counts - ); - - ~ACE_Cache_Manager (void); - - int close (void); - - // Search Methods - - int GET (const KEY &key, ACE_Cache_Object *&cobj); - // Retrieve the object associated with key from cache. Return 0 on - // success, -1 on failure. - - int PUT (const KEY &key, const void *data, size_t size, - ACE_Cache_Object *&obj); - // Inserts or replaces object associated with key into cache. - // Return 0 on success, -1 on failure. - - int MAKE (const void *data, size_t size, ACE_Cache_Object *&cobj); - // Create a cached object, increment reference count. - - int TAKE (ACE_Cache_Object *const &cobj); - // Increment reference count. - - int DROP (ACE_Cache_Object *const &cobj); - // Decrement reference count on cached object, perhaps delete. - // Returns 0 if only decremented, 1 if deleted, -1 if error. - - int FLUSH (void); - // Removes lowest priority object from cache. - -protected: - - int GET_i (const KEY &key, ACE_Cache_Object *&object); - // Retrieve the object associated with key from cache. Return 0 on - // success, -1 on failure. - - int PUT_i (const KEY &key, const void *data, size_t size, - ACE_Cache_Object *&object); - // Inserts or replaces object associated with key into cache. - // Return 0 on success, -1 on failure. - - int FLUSH_i (void); - // Removes lowest priority object from cache. - - int FLUSH_i (const KEY &key); - // Removes object associated with key from cache. - - int DROP_i (ACE_Cache_Object *const &cobj); - // Decrement reference count on cached object, perhaps delete. - -private: - - ACE_Allocator *allocator_; - ACE_Cache_Object_Factory *factory_; - - size_t hashsize_; - size_t maxsize_; - size_t maxobjsize_; - size_t minobjsize_; - size_t highwater_; - size_t lowwater_; - size_t waterlevel_; - int timetolive_; - int counted_; - - Cache_Hash *hash_; - Cache_Heap *heap_; - - ACE_SYNCH_RW_MUTEX lock_; -}; - -template <class KEY, class DATA, class CACHE_MANAGER> -class ACE_Cache_Proxy -{ -public: - typedef CACHE_MANAGER Cache_Manager; - typedef ACE_Singleton<Cache_Manager, ACE_SYNCH_MUTEX> - Cache_Manager_Singleton; - - ACE_Cache_Proxy (const KEY &, Cache_Manager * = 0); - // Corresponds to a GET - - ACE_Cache_Proxy (const KEY &, - DATA *, - size_t, - Cache_Manager * = 0); - // Corresponds to a U/PUT - - ~ACE_Cache_Proxy (void); - - DATA *data (void) const; - operator DATA * (void) const; - -private: - ACE_Cache_Object *object_; - Cache_Manager *manager_; -}; - -// @@ James, please also make sure that you add the -// #if defined (ACE_TEMPLATES_REQUIRE_PRAGMA) -// stuff as well... (see other template files to see how this works). - -#if defined (ACE_TEMPLATES_REQUIRE_SOURCE) -// @@ James, this #include is incorrect. -#include "ace_Cache_Manager_T.cpp" -#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */ - -#endif /* ACE_CACHE_MANAGER_T_H */ |