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#ifndef OPIE_PIM_ACCESS_BACKEND
#define OPIE_PIM_ACCESS_BACKEND
#include <qarray.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:
OPimAccessBackend();
virtual ~OPimAccessBackend();
/**
* load the resource
*/
virtual void load() = 0;
/**
* reload the resource
*/
virtual void reload() = 0;
/**
* save the resource and
* all it's changes
*/
virtual void save() = 0;
/**
* return an array of
* all available uids
*/
virtual QArray<int> allRecords()const = 0;
/**
* 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 ) = 0;
/**
* 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;
};
template <class T>
OPimAccessBackend<T>::OPimAccessBackend() {
}
template <class T>
OPimAccessBackend<T>::~OPimAccessBackend() {
}
#endif
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