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Code Issues Releases Wiki Activity

Add sync timer to cache to avoid saving everything at shutdown (runs

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once a minute)
This commit is contained in:
Jeff Mitchell 2011-04-19 08:38:47 -04:00
parent ed93084315
commit 43834a17bc
2 changed files with 29 additions and 1 deletions
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27
src/libtomahawk/infosystem/infosystemcache.cpp
View File

@ -32,7 +32,8 @@ namespace InfoSystem
InfoSystemCache::InfoSystemCache( QObject* parent )
: QObject(parent)
: QObject( parent )
, m_syncTimer( this )
, m_cacheRemainingToLoad( 0 )
{
qDebug() << Q_FUNC_INFO;
@ -49,6 +50,9 @@ InfoSystemCache::InfoSystemCache( QObject* parent )
QMetaObject::invokeMethod( this, "loadCache", Qt::QueuedConnection, Q_ARG( Tomahawk::InfoSystem::InfoType, type ), Q_ARG( QString, cacheFile ) );
}
}
m_syncTimer.setInterval( 60000 );
m_syncTimer.setSingleShot( false );
connect( &m_syncTimer, SIGNAL( timeout() ), SLOT( syncTimerFired() ) );
}
@ -69,6 +73,27 @@ InfoSystemCache::~InfoSystemCache()
}
void
InfoSystemCache::syncTimerFired()
{
qDebug() << Q_FUNC_INFO;
if ( m_cacheRemainingToLoad > 0 )
return;
qDebug() << "Syncing infosystemcache to disk";
QString cacheBaseDir = QDesktopServices::storageLocation( QDesktopServices::CacheLocation );
for ( int i = 0; i <= InfoNoInfo; i++ )
{
InfoType type = (InfoType)(i);
if ( m_dirtySet.contains( type ) && m_dataCache.contains( type ) )
{
QString cacheDir = cacheBaseDir + "/InfoSystemCache/" + QString::number( i );
saveCache( type, cacheDir );
}
}
}
void
InfoSystemCache::getCachedInfoSlot( Tomahawk::InfoSystem::InfoCriteriaHash criteria, qint64 newMaxAge, QString caller, Tomahawk::InfoSystem::InfoType type, QVariant input, Tomahawk::InfoSystem::InfoCustomData customData )
{

3
src/libtomahawk/infosystem/infosystemcache.h
View File

@ -22,6 +22,7 @@
#include <QDateTime>
#include <QObject>
#include <QtDebug>
#include <QTimer>
#include "infosystem.h"
@ -49,6 +50,7 @@ public slots:
void updateCacheSlot( Tomahawk::InfoSystem::InfoCriteriaHash criteria, qint64 maxAge, Tomahawk::InfoSystem::InfoType type, QVariant output );
private slots:
void syncTimerFired();
void loadCache( Tomahawk::InfoSystem::InfoType type, const QString &cacheFile );
void saveCache( Tomahawk::InfoSystem::InfoType type, const QString &cacheDir );
@ -57,6 +59,7 @@ private:
QHash< InfoType, QHash< InfoCriteriaHash, QDateTime > > m_insertTimeCache;
QHash< InfoType, QHash< InfoCriteriaHash, QDateTime > > m_maxTimeCache;
QSet< InfoType > m_dirtySet;
QTimer m_syncTimer;
int m_cacheRemainingToLoad;
};