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Annotation of parser3/src/include/pa_cache_managers.h, revision 1.7

1.1       paf         1: /** @file
                      2:        Parser: cache managers center decl.
                      3: 
1.5       paf         4:        Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com)
1.6       paf         5:        Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.1       paf         6: 
1.7     ! paf         7:        $Id: pa_cache_managers.h,v 1.6 2002/02/08 08:30:12 paf Exp $
1.1       paf         8: */
                      9: 
                     10: #ifndef PA_CACHE_MANAGERS_H
                     11: #define PA_CACHE_MANAGERS_H
1.7     ! paf        12: 
        !            13: static const char* IDENT_CACHE_MANAGERS_H="$Id: zzz $";
1.1       paf        14: 
                     15: #include "pa_hash.h"
                     16: #include "pa_value.h"
                     17: 
                     18: // defines
                     19: 
                     20: // forwards
                     21: 
                     22: /// maintains name=>Cache_manager association, can expire its contents
                     23: class Cache_managers : public Hash {
                     24: public:
                     25:        Cache_managers(Pool& apool) : Hash(apool) {
                     26:        }
                     27: 
1.3       paf        28:        ~Cache_managers();
                     29: 
1.1       paf        30:        /// maybe-expires all caches it contains, each cache manager desides it itself
                     31:        void maybe_expire();
                     32: 
                     33: };
                     34: 
                     35: /// can return status and can expire it contents
1.2       paf        36: class Cache_manager : public Pooled {
1.1       paf        37: public:
1.2       paf        38:        Cache_manager(Pool& apool) : Pooled(apool) {}
1.3       paf        39:        virtual ~Cache_manager() {}
1.2       paf        40: 
1.1       paf        41:        /// if filter_server_id not null, returns status only Cachable -s with matching cacheable_item_server_id()
                     42:        virtual Value& get_status(Pool& pool, const String *source) =0;
                     43:        virtual void maybe_expire_cache() {}
                     44: };
                     45: 
                     46: /// global
                     47: extern Cache_managers *cache_managers;
                     48: 
                     49: #endif