Soprano  2.8.0
Public Member Functions | Protected Member Functions
Soprano::IteratorBackend< T > Class Template Reference

The actual work in a Iterator instance is done by an IteratorBackend. More...

#include <Soprano/IteratorBackend>

+ Inheritance diagram for Soprano::IteratorBackend< T >:

List of all members.

Public Member Functions

virtual ~IteratorBackend ()
virtual bool next ()=0
virtual T current () const =0
virtual void close ()=0

Protected Member Functions

 IteratorBackend ()

Detailed Description

template<class T>
class Soprano::IteratorBackend< T >

The actual work in a Iterator instance is done by an IteratorBackend.

Author:
Daniele Galdi danie.nosp@m.le.g.nosp@m.aldi@.nosp@m.gmai.nosp@m.l.com
Sebastian Trueg trueg.nosp@m.@kde.nosp@m..org

Definition at line 39 of file iteratorbackend.h.


Constructor & Destructor Documentation

template<class T>
virtual Soprano::IteratorBackend< T >::~IteratorBackend ( ) [inline, virtual]

Definition at line 42 of file iteratorbackend.h.

template<class T>
Soprano::IteratorBackend< T >::IteratorBackend ( ) [inline, protected]

Definition at line 79 of file iteratorbackend.h.


Member Function Documentation

template<class T>
virtual bool Soprano::IteratorBackend< T >::next ( ) [pure virtual]

Advance to the next element in the iterator.

Implementations of this method should reset the error by eith calling clearError() or setError().

Returns:
true if there is another and false if the end has been reached.
See also:
Iterator::next()

Implemented in Soprano::QueryResultIteratorBackend.

template<class T>
virtual T Soprano::IteratorBackend< T >::current ( ) const [pure virtual]

Get the element the iterator currently points to.

Implementations of this method should reset the error by eith calling clearError() or setError().

Returns:
the current element.
See also:
Iterator::current()

Implemented in Soprano::QueryResultIteratorBackend.

template<class T>
virtual void Soprano::IteratorBackend< T >::close ( ) [pure virtual]

Close the iterator and release any locks on the underlying Model.

Implementations of this method should reset the error by eith calling clearError() or setError().

See also:
Iterator::close()

The documentation for this class was generated from the following file: