http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/wvstreams/unicachegen.h

/* -*- Mode: C++ -*- * Worldvisions Weaver Software: * Copyright (C) 2002 Net Integration Technologies, Inc. * * A UniConf generator that caches keys/values in memory. */ #ifndef __UNICACHEGEN_H #define __UNICACHEGEN_H #include "unitempgen.h" #include "uniconftree.h" #include "wvlog.h" /** * A UniConf generator that adds a cache layer on top of another generator * * This cache implementation preloads the entire uniconf tree and then keeps up * to date by making changes whenever notifications are received. This means * that a read-only uniconfclient, when cached, will never actively contact * the uniconfdaemon. * * **WARNING** * The cache *will* go out of date if used with a uniconfclient/daemon without * running a select loop. */ class UniCacheGen : public UniTempGen { protected: WvLog log; IUniConfGen *inner; bool refreshed_once; //< we cache forever, so no need to re-refresh() void loadtree(const UniConfKey &key = ""); void deltacallback(const UniConfKey &key, WvStringParm value); public: UniCacheGen(IUniConfGen *_inner); virtual ~UniCacheGen(); /***** Overridden members *****/ virtual bool isok(); virtual bool refresh(); virtual void commit(); virtual void set(const UniConfKey &key, WvStringParm value); virtual WvString get(const UniConfKey &key); }; #endif // __UNICACHEGEN_H