62 lines
1.8 KiB
Plaintext
62 lines
1.8 KiB
Plaintext
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/* -*-c++-*- */
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/* osgEarth - Geospatial SDK for OpenSceneGraph
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* Copyright 2020 Pelican Mapping
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* http://osgearth.org
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*
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* osgEarth is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#ifndef OSGEARTH_MEMCACHE_H
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#define OSGEARTH_MEMCACHE_H 1
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#include <osgEarth/Cache>
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namespace osgEarth
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{
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/**
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* An in-memory cache.
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* Each bin in this cache has its own locking mechanism for thread-safety. Each
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* bin also maintains an LRU list for maintaining the size cap.
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*/
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class OSGEARTH_EXPORT MemCache : public Cache
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{
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public:
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MemCache( unsigned maxBinSize =16 );
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META_Object( osgEarth, MemCache );
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/** dtor */
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virtual ~MemCache() { }
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void dumpStats(const std::string& binID);
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public: // Cache interface
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virtual CacheBin* addBin(const std::string& binID);
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virtual CacheBin* getOrCreateBin(const std::string& binID);
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virtual CacheBin* getOrCreateDefaultBin();
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private:
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MemCache( const MemCache& rhs, const osg::CopyOp& op =osg::CopyOp::DEEP_COPY_ALL )
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: Cache( rhs, op )
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, _maxBinSize(rhs._maxBinSize)
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{ }
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unsigned _maxBinSize;
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};
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} // namespace osgEarth
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#endif // OSGEARTH_MEMCACHE_H
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