-rw-r--r-- | libopie2/opiepim/backend/obackendfactory.h | 20 | ||||
-rw-r--r-- | libopie2/opiepim/backend/opimaccessbackend.h | 40 |
2 files changed, 53 insertions, 7 deletions
diff --git a/libopie2/opiepim/backend/obackendfactory.h b/libopie2/opiepim/backend/obackendfactory.h index f11f029..89b8c58 100644 --- a/libopie2/opiepim/backend/obackendfactory.h +++ b/libopie2/opiepim/backend/obackendfactory.h @@ -7,49 +7,57 @@ * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; * either version 2 of the License, or (at your option) any later * version. * ===================================================================== * ToDo: Use plugins * ===================================================================== * Version: $Id$ * ===================================================================== * History: * $Log$ + * Revision 1.3 2002/10/10 17:08:58 zecke + * The Cache is finally in place + * I tested it with my todolist and it 'works' for 10.000 todos the hits are awesome ;) + * The read ahead functionality does not make sense for XMLs backends because most of the stuff is already in memory. While using readahead on SQL makes things a lot faster.... + * I still have to fully implement read ahead + * This change is bic but sc + * * Revision 1.2 2002/10/08 09:27:36 eilers * Fixed libopie.pro to include the new pim-API. * The SQL-Stuff is currently deactivated. Otherwise everyone who wants to * compile itself would need to install libsqlite, libopiesql... * Therefore, the backend currently uses XML only.. * * Revision 1.1 2002/10/07 17:35:01 eilers * added OBackendFactory for advanced backend access * * * ===================================================================== */ -#ifndef __OPIE_BACKENDFACTORY_H_ -#define __OPIE_BACKENDFACTORY_H_ +#ifndef OPIE_BACKENDFACTORY_H_ +#define OPIE_BACKENDFACTORY_H_ #include <qstring.h> #include <qasciidict.h> #include <qpe/config.h> #include "otodoaccessxml.h" #include "ocontactaccessbackend_xml.h" -#ifdef __USE_SQL +/*#ifdef __USE_SQL #include "otodoaccesssql.h" #endif +*/ template<class T> class OBackendFactory { public: OBackendFactory() {}; enum BACKENDS { TODO, CONTACT, DATE }; @@ -63,31 +71,31 @@ class OBackendFactory QAsciiDict<int> dict ( 3 ); dict.setAutoDelete ( TRUE ); dict.insert( "todo", new int (TODO) ); dict.insert( "contact", new int (CONTACT) ); qWarning ("TODO is: %d", TODO); qWarning ("CONTACT is: %d", CONTACT); switch ( *dict.take( backendName ) ){ case TODO: -#ifdef __USE_SQL +/*#ifdef __USE_SQL if ( backend == "sql" ) return (T*) new OTodoAccessBackendSQL(""); -#else +#else*/ if ( backend == "sql" ) qWarning ("OBackendFactory:: sql Backend not implemented! Using XML instead!"); -#endif +//#endif return (T*) new OTodoAccessXML( appName ); case CONTACT: if ( backend == "sql" ) qWarning ("OBackendFactory:: sql Backend not implemented! Using XML instead!"); return (T*) new OContactAccessBackend_XML( appName ); case DATE: qWarning ("OBackendFactory:: DATE-Backend not implemented!"); return NULL; default: return NULL; diff --git a/libopie2/opiepim/backend/opimaccessbackend.h b/libopie2/opiepim/backend/opimaccessbackend.h index c27acbb..27d3cb8 100644 --- a/libopie2/opiepim/backend/opimaccessbackend.h +++ b/libopie2/opiepim/backend/opimaccessbackend.h @@ -1,31 +1,33 @@ #ifndef OPIE_PIM_ACCESS_BACKEND #define OPIE_PIM_ACCESS_BACKEND #include <qarray.h> +#include <opie/otemplatebase.h> #include <opie/opimrecord.h> /** * OPimAccessBackend is the base class * for all private backends * it operates on OPimRecord as the base class * and it's responsible for fast manipulating * the resource the implementation takes care * of */ template <class T = OPimRecord> class OPimAccessBackend { public: + typedef OTemplateBase<T> Frontend; OPimAccessBackend(); virtual ~OPimAccessBackend(); /** * load the resource */ virtual bool load() = 0; /** * reload the resource */ virtual bool reload() = 0; @@ -45,45 +47,81 @@ public: /** * queryByExample for T with the SortOrder * sort */ virtual QArray<int> queryByExample( const T& t, int sort ) = 0; /** * find the OPimRecord with uid @param uid * returns T and T.isEmpty() if nothing was found */ virtual T find(int uid )const = 0; + virtual T find(int uid, const QArray<int>& items, + uint current, Frontend::CacheDirection )const ; /** * clear the back end */ virtual void clear() = 0; /** * add T */ virtual bool add( const T& t ) = 0; /** * remove */ virtual bool remove( int uid ) = 0; /** * replace a record with T.uid() */ virtual bool replace( const T& t ) = 0; + /* + * setTheFrontEnd!!! + */ + void setFrontend( Frontend* front ); + +protected: + void cache( const T& t )const; + + /** + * use a prime number here! + */ + void setSaneCacheSize( int ); + +private: + Frontend* m_front; }; template <class T> OPimAccessBackend<T>::OPimAccessBackend() { - + m_front = 0l; } template <class T> OPimAccessBackend<T>::~OPimAccessBackend() { } +template <class T> +void OPimAccessBackend<T>::setFrontend( Frontend* fr ) { + m_front = fr; +} +template <class T> +void OPimAccessBackend<T>::cache( const T& t )const { + if (m_front ) + 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 ); +} #endif |