Diffstat (limited to 'libopie/pim/opimaccesstemplate.h') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | libopie/pim/opimaccesstemplate.h | 57 |
1 files changed, 54 insertions, 3 deletions
diff --git a/libopie/pim/opimaccesstemplate.h b/libopie/pim/opimaccesstemplate.h index 31ab516..92d7192 100644 --- a/libopie/pim/opimaccesstemplate.h +++ b/libopie/pim/opimaccesstemplate.h @@ -9,2 +9,3 @@ +#include "opimcache.h" #include "otemplatebase.h" @@ -25,2 +26,3 @@ public: typedef OPimAccessBackend<T> BackEnd; + typedef OPimCache<T> Cache; @@ -75,2 +77,8 @@ public: + /** + * read ahead cache find method ;) + */ + virtual T find( int uid, const QArray<int>&, + uint current, CacheDirection dir = Forward )const; + /* invalidate cache here */ @@ -101,2 +109,8 @@ public: virtual bool replace( const T& t) ; + + /** + * @internal + */ + void cache( const T& )const; + void setSaneCacheSize( int ); protected: @@ -113,2 +127,3 @@ protected: BackEnd* m_backEnd; + Cache m_cache; @@ -120,3 +135,4 @@ OPimAccessTemplate<T>::OPimAccessTemplate( BackEnd* end ) { - + if (end ) + end->setFrontend( this ); } @@ -129,2 +145,3 @@ template <class T> bool OPimAccessTemplate<T>::load() { + invalidateCache(); return m_backEnd->load(); @@ -156,2 +173,22 @@ T OPimAccessTemplate<T>::find( int uid ) const{ T t = m_backEnd->find( uid ); + cache( t ); + return t; +} +template <class T> +T OPimAccessTemplate<T>::find( int uid, const QArray<int>& ar, + uint current, CacheDirection dir )const { + /* + * better do T.isEmpty() + * after a find this way we would + * avoid two finds in QCache... + */ + // qWarning("find it now %d", uid ); + if (m_cache.contains( uid ) ) { + qWarning("m cache contains %d", uid); + return m_cache.find( uid ); + } + + T t = m_backEnd->find( uid, ar, current, dir ); + qWarning("found it and cache it now %d", uid); + cache( t ); return t; @@ -165,2 +202,3 @@ template <class T> bool OPimAccessTemplate<T>::add( const T& t ) { + cache( t ); return m_backEnd->add( t ); @@ -169,3 +207,3 @@ template <class T> bool OPimAccessTemplate<T>::remove( const T& t ) { - return m_backEnd->remove( t.uid() ); + return remove( t.uid() ); } @@ -173,2 +211,3 @@ template <class T> bool OPimAccessTemplate<T>::remove( int uid ) { + m_cache.remove( uid ); return m_backEnd->remove( uid ); @@ -177,2 +216,3 @@ template <class T> bool OPimAccessTemplate<T>::replace( const T& t ) { + m_cache.replace( t ); return m_backEnd->replace( t ); @@ -181,3 +221,3 @@ template <class T> void OPimAccessTemplate<T>::invalidateCache() { - + m_cache.invalidate(); } @@ -194,2 +234,13 @@ void OPimAccessTemplate<T>::setBackEnd( BackEnd* end ) { m_backEnd = end; + if (m_backEnd ) + m_backEnd->setFrontend( this ); +} +template <class T> +void OPimAccessTemplate<T>::cache( const T& t ) const{ + /* hacky we need to work around the const*/ + ((OPimAccessTemplate<T>*)this)->m_cache.add( t ); +} +template <class T> +void OPimAccessTemplate<T>::setSaneCacheSize( int size ) { + m_cache.setSize( size ); } |