| -rw-r--r-- | libopie2/opiepim/backend/opimaccessbackend.h | 16 | ||||
| -rw-r--r-- | libopie2/opiepim/backend/otodoaccesssql.cpp | 2 |
2 files changed, 16 insertions, 2 deletions
diff --git a/libopie2/opiepim/backend/opimaccessbackend.h b/libopie2/opiepim/backend/opimaccessbackend.h index 27d3cb8..0bd2723 100644 --- a/libopie2/opiepim/backend/opimaccessbackend.h +++ b/libopie2/opiepim/backend/opimaccessbackend.h @@ -74,34 +74,41 @@ public: virtual bool remove( int uid ) = 0; /** * replace a record with T.uid() */ virtual bool replace( const T& t ) = 0; /* * setTheFrontEnd!!! */ void setFrontend( Frontend* front ); + /** + * set the read ahead count + */ + void setReadAhead( uint count ); protected: void cache( const T& t )const; /** * use a prime number here! */ void setSaneCacheSize( int ); + uint readAhead()const; + private: Frontend* m_front; + uint m_read; }; template <class T> OPimAccessBackend<T>::OPimAccessBackend() { m_front = 0l; } template <class T> OPimAccessBackend<T>::~OPimAccessBackend() { } template <class T> @@ -114,14 +121,21 @@ void OPimAccessBackend<T>::cache( const T& t )const { m_front->cache( t ); } template <class T> void OPimAccessBackend<T>::setSaneCacheSize( int size) { if (m_front ) m_front->setSaneCacheSize( size ); } template <class T> T OPimAccessBackend<T>::find( int uid, const QArray<int>&, uint, Frontend::CacheDirection )const { return find( uid ); } - +template <class T> +void OPimAccessBackend<T>::setReadAhead( uint count ) { + m_read = count; +} +template <class T> +uint OPimAccessBackend<T>::readAhead()const { + return m_read; +} #endif diff --git a/libopie2/opiepim/backend/otodoaccesssql.cpp b/libopie2/opiepim/backend/otodoaccesssql.cpp index 9ef6b7c..8c2ea3a 100644 --- a/libopie2/opiepim/backend/otodoaccesssql.cpp +++ b/libopie2/opiepim/backend/otodoaccesssql.cpp @@ -277,27 +277,27 @@ QArray<int> OTodoAccessBackendSQL::allRecords()const { return m_uids; } QArray<int> OTodoAccessBackendSQL::queryByExample( const OTodo& , int ){ QArray<int> ints(0); return ints; } OTodo OTodoAccessBackendSQL::find(int uid ) const{ FindQuery query( uid ); return todo( m_driver->query(&query) ); } -#define CACHE 32 OTodo OTodoAccessBackendSQL::find( int uid, const QArray<int>& ints, uint cur, Frontend::CacheDirection dir ) const{ + int CACHE = readAhead(); qWarning("searching for %d", uid ); QArray<int> search( CACHE ); uint size =0; OTodo to; // we try to cache CACHE items switch( dir ) { /* forward */ case 0: for (uint i = cur; i < ints.count() && size < CACHE; i++ ) { qWarning("size %d %d", size, ints[i] ); search[size] = ints[i]; |