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authorzecke <zecke>2002-10-10 17:08:58 (UTC)
committer zecke <zecke>2002-10-10 17:08:58 (UTC)
commit1dcc1b1fc9fd35d959255452c8b5be1269ca4f44 (patch) (side-by-side diff)
tree469d239dec74f5751f3aced43c4bae1f0f3a42e3 /libopie2/opiepim/backend
parentaa38f642a07810515dcc18ea38bf520e26d7f88e (diff)
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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
Diffstat (limited to 'libopie2/opiepim/backend') (more/less context) (ignore whitespace changes)
-rw-r--r--libopie2/opiepim/backend/obackendfactory.h20
-rw-r--r--libopie2/opiepim/backend/opimaccessbackend.h40
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
@@ -16,6 +16,13 @@
* =====================================================================
* 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
@@ -28,8 +35,8 @@
*
* =====================================================================
*/
-#ifndef __OPIE_BACKENDFACTORY_H_
-#define __OPIE_BACKENDFACTORY_H_
+#ifndef OPIE_BACKENDFACTORY_H_
+#define OPIE_BACKENDFACTORY_H_
#include <qstring.h>
#include <qasciidict.h>
@@ -38,9 +45,10 @@
#include "otodoaccessxml.h"
#include "ocontactaccessbackend_xml.h"
-#ifdef __USE_SQL
+/*#ifdef __USE_SQL
#include "otodoaccesssql.h"
#endif
+*/
template<class T>
class OBackendFactory
@@ -72,13 +80,13 @@ class OBackendFactory
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:
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
@@ -3,6 +3,7 @@
#include <qarray.h>
+#include <opie/otemplatebase.h>
#include <opie/opimrecord.h>
@@ -17,6 +18,7 @@
template <class T = OPimRecord>
class OPimAccessBackend {
public:
+ typedef OTemplateBase<T> Frontend;
OPimAccessBackend();
virtual ~OPimAccessBackend();
@@ -54,6 +56,8 @@ public:
*/
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
*/
@@ -74,16 +78,50 @@ public:
*/
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