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#ifndef OPIE_DATE_BOOK_ACCESS_BACKEND_H
#define OPIE_DATE_BOOK_ACCESS_BACKEND_H
#include <qarray.h>
#include "opimaccessbackend.h"
#include "oevent.h"
/**
* This class is the interface to the storage of Events.
* @see OPimAccessBackend
*
*/
class ODateBookAccessBackend : public OPimAccessBackend<OEvent> {
public:
typedef int UID;
/**
* c'tor without parameter
*/
ODateBookAccessBackend();
~ODateBookAccessBackend();
/**
* This method should return a list of UIDs containing
* all events. No filter should be applied
* @return list of events
*/
virtual QArray<UID> rawEvents()const = 0;
/**
* This method should return a list of UIDs containing
* all repeating events. No filter should be applied
* @return list of repeating events
*/
virtual QArray<UID> rawRepeats()const = 0;
/**
* This mthod should return a list of UIDs containing all non
* repeating events. No filter should be applied
* @return list of nonrepeating events
*/
virtual QArray<UID> nonRepeats() const = 0;
/**
* If you do not want to implement the effectiveEvents methods below
* you need to supply it with directNonRepeats.
* This method can return empty lists if effectiveEvents is implememted
*/
virtual OEvent::ValueList directNonRepeats() = 0;
/**
* Same as above but return raw repeats!
*/
virtual OEvent::ValueList directRawRepeats() = 0;
/* is implemented by default but you can reimplement it*/
/**
* Effective Events are special event occuring during a time frame. This method does calcualte
* EffectiveEvents bases on the directNonRepeats and directRawRepeats. You may implement this method
* yourself
*/
virtual OEffectiveEvent::ValueList effecticeEvents( const QDate& from, const QDate& to );
/**
* this is an overloaded member function
* @see effecticeEvents
*/
virtual OEffectiveEvent::ValueList effecticeEvents( const QDateTime& start );
};
#endif
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