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Code Issues Releases Wiki Activity

Add a QCache to cache recent hits in memory

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This commit is contained in:
Jeff Mitchell
2011-04-22 13:02:35 -04:00
parent e3aa497b62
commit 7239d3fdfd
2 changed files with 16 additions and 4 deletions
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18
src/libtomahawk/infosystem/infosystemcache.cpp
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@@ -136,6 +136,7 @@ InfoSystemCache::getCachedInfoSlot( const Tomahawk::InfoSystem::InfoCriteriaHash
fileLocationHash.remove( criteriaHashVal ); fileLocationHash.remove( criteriaHashVal );
m_fileLocationCache[type] = fileLocationHash; m_fileLocationCache[type] = fileLocationHash;
m_dataCache.remove( criteriaHashVal );
emit notInCache( criteria, caller, type, input, customData ); emit notInCache( criteria, caller, type, input, customData );
return; return;
@@ -155,10 +156,16 @@ InfoSystemCache::getCachedInfoSlot( const Tomahawk::InfoSystem::InfoCriteriaHash
m_fileLocationCache[type] = fileLocationHash; m_fileLocationCache[type] = fileLocationHash;
} }
QSettings cachedSettings( fileLocationHash[criteriaHashVal], QSettings::IniFormat ); if ( !m_dataCache.contains( criteriaHashVal ) )
QVariant output = cachedSettings.value( "data" ); {
QSettings cachedSettings( fileLocationHash[criteriaHashVal], QSettings::IniFormat );
emit info( caller, type, input, output, customData ); QVariant output = cachedSettings.value( "data" );
m_dataCache.insert( criteriaHashVal, new QVariant( output ) );
emit info( caller, type, input, output, customData );
}
else
emit info( caller, type, input, QVariant( *(m_dataCache[criteriaHashVal]) ), customData );
} }
@@ -184,6 +191,8 @@ InfoSystemCache::updateCacheSlot( const Tomahawk::InfoSystem::InfoCriteriaHash c
QSettings cachedSettings( fileLocationHash[criteriaHashVal], QSettings::IniFormat ); QSettings cachedSettings( fileLocationHash[criteriaHashVal], QSettings::IniFormat );
cachedSettings.setValue( "data", output ); cachedSettings.setValue( "data", output );
m_dataCache.insert( criteriaHashVal, new QVariant( output ) );
return; return;
} }
@@ -209,6 +218,7 @@ InfoSystemCache::updateCacheSlot( const Tomahawk::InfoSystem::InfoCriteriaHash c
fileLocationHash[criteriaHashVal] = settingsFilePath; fileLocationHash[criteriaHashVal] = settingsFilePath;
m_fileLocationCache[type] = fileLocationHash; m_fileLocationCache[type] = fileLocationHash;
m_dataCache.insert( criteriaHashVal, new QVariant( output ) );
} }

2
src/libtomahawk/infosystem/infosystemcache.h
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@@ -19,6 +19,7 @@
#ifndef TOMAHAWK_INFOSYSTEMCACHE_H #ifndef TOMAHAWK_INFOSYSTEMCACHE_H
#define TOMAHAWK_INFOSYSTEMCACHE_H #define TOMAHAWK_INFOSYSTEMCACHE_H
#include <QCache>
#include <QDateTime> #include <QDateTime>
#include <QObject> #include <QObject>
#include <QtDebug> #include <QtDebug>
@@ -58,6 +59,7 @@ private:
QString m_cacheBaseDir; QString m_cacheBaseDir;
QHash< InfoType, QHash< QString, QString > > m_fileLocationCache; QHash< InfoType, QHash< QString, QString > > m_fileLocationCache;
QTimer m_pruneTimer; QTimer m_pruneTimer;
QCache< QString, QVariant > m_dataCache;
}; };
} //namespace InfoSystem } //namespace InfoSystem