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Diffstat (limited to 'ace/Caching_Strategy_Utility_T.h')
| -rw-r--r-- | ace/Caching_Strategy_Utility_T.h | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/ace/Caching_Strategy_Utility_T.h b/ace/Caching_Strategy_Utility_T.h deleted file mode 100644 index 77347d085da..00000000000 --- a/ace/Caching_Strategy_Utility_T.h +++ /dev/null @@ -1,179 +0,0 @@ -/* -*- C++ -*- */ -// $Id$ - -// ============================================================================ -// -// = LIBRARY -// ace -// -// = FILENAME -// Caching_Strategy_Utility_T.h -// -// = AUTHOR -// Kirthika Parameswaran <kirthika@cs.wustl.edu> -// -// ============================================================================ - -#ifndef CACHING_STRATEGY_UTILITY_H -#define CACHING_STRATEGY_UTILITY_H - -#include "ace/OS.h" - -#if !defined (ACE_LACKS_PRAGMA_ONCE) -#define ACE_LACKS_PRAGMA_ONCE -#endif /* ACE_LACKS_PRAGMA_ONCE */ - -// Forward declaration -template <class KEY, class VALUE, class CONTAINER> -class ACE_Cleanup_Strategy; -template <class KEY, class VALUE, class CONTAINER, class ATTRIBUTES> -class ACE_Caching_Strategy_Utility -{ - // = TITLE - // Defines a abstract helper class for the Caching Strategies. - // - // = DESCRIPTION - // This class defines the methods commonly used by the - // different caching strategies. For instance: clear_cache () - // method which decides and purges the entry from the container. - - public: - - virtual ~ACE_Caching_Strategy_Utility (void); - // Destructor. - - virtual int clear_cache (CONTAINER &container, - ACE_Cleanup_Strategy<KEY, VALUE, CONTAINER> *cleanup_s, - const unsigned int purge_percent, - unsigned int &entries) = 0; - // This method will remove the entries from the cache. - - virtual void minimum (CONTAINER &container, - KEY *&key, - VALUE *&value) = 0; - // Find the entry with minimum caching attributes. - -}; - - -//////////////////////////////////////////////////////////////////////////////////// - -template <class KEY, class VALUE, class CONTAINER, class ITERATOR, class ATTRIBUTES> -class ACE_Svc_Caching_Strategy_Utility : public ACE_Caching_Strategy_Utility<KEY, VALUE, CONTAINER, ATTRIBUTES> -{ - // = TITLE - // Defines a helper class for the Caching Strategies. - // - // = DESCRIPTION - // This class defines the methods commonly used by the - // different caching strategies. For instance: clear_cache () - // method which decides and purges the entry from the container. - // Note: This class helps in the caching_strategies using a - // container containing entries of <KEY, ACE_Pair<VALUE, - // attributes>> kind. The attributes helps in deciding the - // entries to be purged. - - public: - - virtual int clear_cache (CONTAINER &container, - ACE_Cleanup_Strategy<KEY, VALUE, CONTAINER> *cleanup_s, - const unsigned int purge_percent, - unsigned int &entries); - // Purge entries from the <container>. The Cleanup_Strategy will do - // the actual job of cleanup once the entries to be cleaned up are - // decided. - - virtual void minimum (CONTAINER &container, - KEY *&key, - VALUE *&value); - // Find the entry with minimum caching attributes. - -}; - - -//////////////////////////////////////////////////////////////////////////////////////// - -template <class KEY, class VALUE, class CONTAINER, class ITERATOR, class ATTRIBUTES> -class ACE_Handler_Caching_Strategy_Utility : public ACE_Caching_Strategy_Utility <KEY, VALUE, CONTAINER, ATTRIBUTES> -{ - // = TITLE - // Defines a helper class for the Caching Strategies. - // - // = DESCRIPTION - // This class defines the methods commonly used by the - // different caching strategies. For instance: clear_cache () - // method which decides and purges the entry from the container. - // Note: This class helps in the caching_strategies using a - // container containing entries of <KEY, HANDLER> kind where the - // HANDLER contains the caching attributes which help in deciding - // the entries to be purged. - -public: - - virtual int clear_cache (CONTAINER &container, - ACE_Cleanup_Strategy<KEY, VALUE, CONTAINER> *cleanup_s, - const unsigned int purge_percent, - unsigned int &entries); - // Purge entries from the <container>. The Cleanup_Strategy will do - // the actual job of cleanup once the entries to be cleaned up are - // decided. - - virtual void minimum (CONTAINER &container, - KEY *&key, - VALUE *&value); - // Find the entry with minimum caching attributes. - // This is handler specific since this utility is to be used very - // specifically for handler who have caching_attributes for server - // side acched connection management. - -}; - -/////////////////////////////////////////////////////////////////////////// - -template <class KEY, class VALUE, class CONTAINER, class ITERATOR, class ATTRIBUTES> -class ACE_Null_Caching_Strategy_Utility : public ACE_Caching_Strategy_Utility <KEY, VALUE, CONTAINER, ATTRIBUTES> -{ - // = TITLE - // Defines a dummy helper class for the Caching Strategies. - // - // = DESCRIPTION - // This class defines the methods commonly used by the - // different caching strategies. For instance: clear_cache () - // method which decides and purges the entry from the container. - // Note: This class is be used with the Null_Caching_Strategy. - -public: - - virtual int clear_cache (CONTAINER &container, - ACE_Cleanup_Strategy<KEY, VALUE, CONTAINER> *cleanup_s, - const unsigned int purge_percent, - unsigned int &entries); - // Purge entries from the <container>. The Cleanup_Strategy will do - // the actual job of cleanup once the entries to be cleaned up are - // decided. NOte: Here it is a no-op. - - virtual void minimum (CONTAINER &container, - KEY *&key, - VALUE *&value); - // Find the entry with minimum caching attributes. - // This is handler specific since this utility is to be used very - // specifically for handler who have caching_attributes for server - // side acched connection management.Note: Here it is a no-op. - -}; - -/////////////////////////////////////////////////////////////////////////// - -#if defined (__ACE_INLINE__) -#include "ace/Caching_Strategy_Utility_T.i" -#endif /* __ACE_INLINE__ */ - -#if defined (ACE_TEMPLATES_REQUIRE_SOURCE) -#include "ace/Caching_Strategy_Utility_T.cpp" -#endif /* ACE_TEMPLATES_REQUIRE_SOURCE */ - -#if defined (ACE_TEMPLATES_REQUIRE_PRAGMA) -#pragma implementation ("ace/Caching_Strategy_Utility_T.cpp") -#endif /* ACE_TEMPLATES_REQUIRE_PRAGMA */ - -#endif /* CACHING_STRATEGY_UTILITY_H */ |