Our new common template based start for Accessing and Manipulating

the Records
The CROSS_REFERENCE branch will get ported to it.
We use templates for several reasons
They allow us to share code and to be easily extended
I've to make them not inline to save memory...
I've to port all DBs and Record related classes

1 files changed, 82 insertions, 0 deletions

diff --git a/libopie2/opiepim/core/opimaccesstemplate.h b/libopie2/opiepim/core/opimaccesstemplate.h
new file mode 100644
index 0000000..f2a241d
--- a/dev/null
+++ b/libopie2/opiepim/core/opimaccesstemplate.h
@@ -0,0 +1,82 @@
+#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>
+
+template <class T = OPimRecord >
+class OPimAccessTemplate {
+public:
+    typedef ORecordList<T> List;
+    typedef OPimAccessBackend<T> BackEnd;
+    OPimAccessTemplate( BackEnd* end)
+        : m_backEnd( end ) {
+    }
+    ~OPimAccessTemplate() {
+        delete m_backEnd;
+    }
+    virtual void load() {
+        m_backEnd->load();
+    }
+    virtual void reload() {
+        m_backEnd->reload();
+    }
+    virtual void save() {
+        m_backEnd->save();
+    }
+
+    /*
+     *do array to Records conversion
+     * QArray<int> ids
+     */
+    virtual List allRecords()const {
+        QArray<int> ints = m_backEnd->allRecords();
+
+        List lis( ints,  this );
+        return lis;
+    }
+    virtual List queryByExample( const T& t, int sortOrder ) {
+        QArray<int> ints = m_backEnd->query( t, sortOrder );
+        List lis( ints, this );
+
+        return lis;
+    }
+    /* implement QCache here */
+    virtual T find( int uid ) {
+        T t = m_backEnd->find( uid );
+        return t;
+    }
+
+    /* invalidate cache here */
+    virtual void clear() {
+        invalidateCache();
+        m_backEnd->clear();
+    }
+    virtual bool add( const T& t ) {
+        return m_backEnd->add( t );
+    }
+
+    /* only the uid matters */
+    virtual bool remove( const T& t ) {
+        /* remove from cache */
+        return m_backEnd->remove( t.uid() );
+    }
+    virtual bool remove( int uid ) {
+        /* remove from cache */
+        return m_backEnd->remove(uid);
+    }
+    virtual bool replace( const T& t) {
+        return m_backEnd->replace( t );
+    }
+protected:
+    void invalidateCache() {
+
+    }
+    BackEnd* m_backEnd;
+
+};
+
+#endif