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87 lines
2.6 KiB
87 lines
2.6 KiB
/*
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* cache.h - (c) 2003 Frerich Raabe <raabe@kde.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef CACHE_H
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#define CACHE_H
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#include <tqcstring.h>
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#include <tqdatetime.h>
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#include <tqdict.h>
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#include <xmlrpciface.h>
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class CacheEntry
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{
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friend class Cache;
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friend TQDataStream &operator>>( TQDataStream &s, CacheEntry &e );
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public:
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const TQDateTime &timeStamp() const { return m_timeStamp; }
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const KXMLRPC::Query::Result result() const { return m_result; }
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bool isValid() const;
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private:
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TQDateTime m_timeStamp;
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KXMLRPC::Query::Result m_result;
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};
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class Cache : public TQDict<CacheEntry>
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{
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public:
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static Cache &self();
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static TQString getCacheKey( const TQString &server,
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const TQString &method,
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const TQValueList<TQVariant> &args );
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void load();
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void save();
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void touch( const TQString &key );
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void insert( const TQString &key, const KXMLRPC::Query::Result &result );
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private:
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Cache();
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Cache( const Cache &rhs ); // disabled
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Cache &operator=( const Cache &rhs ); // disabled
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~Cache();
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TQString cacheFileName() const;
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static Cache *m_instance;
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};
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inline TQDataStream &operator<<( TQDataStream &s, const CacheEntry &e )
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{
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return s << e.timeStamp() << e.result();
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}
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inline TQDataStream &operator>>( TQDataStream &s, CacheEntry &e )
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{
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return s >> e.m_timeStamp >> e.m_result;
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}
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#endif // CACHE_H
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// vim:ts=4:sw=4:noet
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