Diffstat (limited to 'libopie/pim/opimaccesstemplate.h') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | libopie/pim/opimaccesstemplate.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/libopie/pim/opimaccesstemplate.h b/libopie/pim/opimaccesstemplate.h index 50cb1e4..c5523a8 100644 --- a/libopie/pim/opimaccesstemplate.h +++ b/libopie/pim/opimaccesstemplate.h @@ -1,254 +1,259 @@ #ifndef OPIE_PIM_ACCESS_TEMPLATE_H #define OPIE_PIM_ACCESS_TEMPLATE_H #include <qarray.h> #include <opie/opimrecord.h> #include <opie/opimaccessbackend.h> #include <opie/orecordlist.h> #include "opimcache.h" #include "otemplatebase.h" /** * Thats the frontend to our OPIE PIM * Library. Either you want to use it's * interface or you want to implement * your own Access lib * Just create a OPimRecord and inherit from * the plugins */ template <class T = OPimRecord > class OPimAccessTemplate : public OTemplateBase<T> { public: typedef ORecordList<T> List; typedef OPimAccessBackend<T> BackEnd; typedef OPimCache<T> Cache; /** * c'tor BackEnd */ OPimAccessTemplate( BackEnd* end); virtual ~OPimAccessTemplate(); /** * load from the backend */ virtual bool load(); /** Reload database. * You should execute this function if the external database * was changed. * This function will load the external database and afterwards * rejoin the local changes. Therefore the local database will be set consistent. */ virtual bool reload(); /** Save contacts database. * Save is more a "commit". After calling this function, all changes are public available. * @return true if successful */ virtual bool save(); /** * if the resource was changed externally * You should use the signal handling instead of polling possible changes ! * zecke: Do you implement a signal for otodoaccess ? */ bool wasChangedExternally()const; /** * return a List of records * you can iterate over them */ virtual List allRecords()const; /** - * queryByExample. + * queryByExample. * @see otodoaccess, ocontactaccess */ virtual List queryByExample( const T& t, int querySettings ); /** * find the OPimRecord uid */ virtual T find( int uid )const; /** * read ahead cache find method ;) */ virtual T find( int uid, const QArray<int>&, uint current, CacheDirection dir = Forward )const; /* invalidate cache here */ /** * clears the backend and invalidates the backend */ virtual void clear() ; /** * add T to the backend * @param t The item to add. * @return <i>true</i> if added successfully. */ virtual bool add( const T& t ) ; /* only the uid matters */ /** * remove T from the backend * @param t The item to remove * @return <i>true</i> if successful. */ virtual bool remove( const T& t ); /** * remove the OPimRecord with uid * @param uid The ID of the item to remove * @return <i>true</i> if successful. */ virtual bool remove( int uid ); /** * replace T from backend * @param t The item to replace * @return <i>true</i> if successful. */ virtual bool replace( const T& t) ; + void setReadAhead( uint count ); /** * @internal */ void cache( const T& )const; void setSaneCacheSize( int ); protected: /** * invalidate the cache */ void invalidateCache(); void setBackEnd( BackEnd* end ); /** * returns the backend */ BackEnd* backEnd(); BackEnd* m_backEnd; Cache m_cache; }; template <class T> OPimAccessTemplate<T>::OPimAccessTemplate( BackEnd* end ) : OTemplateBase<T>(), m_backEnd( end ) { if (end ) end->setFrontend( this ); } template <class T> OPimAccessTemplate<T>::~OPimAccessTemplate() { qWarning("~OPimAccessTemplate<T>"); delete m_backEnd; } template <class T> bool OPimAccessTemplate<T>::load() { invalidateCache(); return m_backEnd->load(); } template <class T> bool OPimAccessTemplate<T>::reload() { invalidateCache(); // zecke: I think this should be added (se) return m_backEnd->reload(); } template <class T> bool OPimAccessTemplate<T>::save() { return m_backEnd->save(); } template <class T> OPimAccessTemplate<T>::List OPimAccessTemplate<T>::allRecords()const { QArray<int> ints = m_backEnd->allRecords(); List lis(ints, this ); return lis; } template <class T> OPimAccessTemplate<T>::List OPimAccessTemplate<T>::queryByExample( const T& t, int sortOrder ) { QArray<int> ints = m_backEnd->queryByExample( t, sortOrder ); List lis(ints, this ); return lis; } template <class T> 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 ) ) { return m_cache.find( uid ); } T t = m_backEnd->find( uid, ar, current, dir ); cache( t ); return t; } template <class T> void OPimAccessTemplate<T>::clear() { invalidateCache(); m_backEnd->clear(); } template <class T> bool OPimAccessTemplate<T>::add( const T& t ) { cache( t ); return m_backEnd->add( t ); } template <class T> bool OPimAccessTemplate<T>::remove( const T& t ) { return remove( t.uid() ); } template <class T> bool OPimAccessTemplate<T>::remove( int uid ) { m_cache.remove( uid ); return m_backEnd->remove( uid ); } template <class T> bool OPimAccessTemplate<T>::replace( const T& t ) { m_cache.replace( t ); return m_backEnd->replace( t ); } template <class T> void OPimAccessTemplate<T>::invalidateCache() { m_cache.invalidate(); } template <class T> OPimAccessTemplate<T>::BackEnd* OPimAccessTemplate<T>::backEnd() { return m_backEnd; } template <class T> bool OPimAccessTemplate<T>::wasChangedExternally()const { return false; } template <class T> 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 ); } +template <class T> +void OPimAccessTemplate<T>::setReadAhead( uint count ) { + m_backEnd->setReadAhead( count ); +} #endif |