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Annotation of parser3/src/include/pa_cache_managers.h, revision 1.4

1.1       paf         1: /** @file
                      2:        Parser: cache managers center decl.
                      3: 
                      4:        Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
                      5:        Author: Alexander Petrosyan <paf@design.ru> (http://paf.design.ru)
                      6: 
1.4     ! paf         7:        $Id: pa_cache_managers.h,v 1.3 2001/12/13 11:09:46 paf Exp $
1.1       paf         8: */
                      9: 
                     10: #ifndef PA_CACHE_MANAGERS_H
                     11: #define PA_CACHE_MANAGERS_H
                     12: 
                     13: #include "pa_hash.h"
                     14: #include "pa_value.h"
                     15: 
                     16: // defines
                     17: 
                     18: // forwards
                     19: 
                     20: /// maintains name=>Cache_manager association, can expire its contents
                     21: class Cache_managers : public Hash {
                     22: public:
                     23:        Cache_managers(Pool& apool) : Hash(apool) {
                     24:        }
                     25: 
1.3       paf        26:        ~Cache_managers();
                     27: 
1.1       paf        28:        /// maybe-expires all caches it contains, each cache manager desides it itself
                     29:        void maybe_expire();
                     30: 
                     31: };
                     32: 
                     33: /// can return status and can expire it contents
1.2       paf        34: class Cache_manager : public Pooled {
1.1       paf        35: public:
1.2       paf        36:        Cache_manager(Pool& apool) : Pooled(apool) {}
1.3       paf        37:        virtual ~Cache_manager() {}
1.2       paf        38: 
1.1       paf        39:        /// if filter_server_id not null, returns status only Cachable -s with matching cacheable_item_server_id()
                     40:        virtual Value& get_status(Pool& pool, const String *source) =0;
                     41:        virtual void maybe_expire_cache() {}
                     42: };
                     43: 
                     44: /// global
                     45: extern Cache_managers *cache_managers;
                     46: 
                     47: #endif