Soprano::QueryResultIteratorBackend Class Reference

QueryResultIteratorBackend is the actual working horse behind QueryResultIterator. More...

#include <Soprano/QueryResultIteratorBackend>

Inheritance diagram for Soprano::QueryResultIteratorBackend:
Inheritance graph
[legend]

List of all members.

Public Member Functions

virtual ~QueryResultIteratorBackend ()
virtual bool next ()=0
virtual BindingSet current () const
virtual Statement currentStatement () const =0
virtual Node binding (const QString &name) const =0
virtual Node binding (int offset) const =0
virtual int bindingCount () const =0
virtual QStringList bindingNames () const =0
virtual bool isGraph () const =0
virtual bool isBinding () const =0
virtual bool isBool () const =0
virtual bool boolValue () const =0

Protected Member Functions

 QueryResultIteratorBackend ()

Detailed Description

QueryResultIteratorBackend is the actual working horse behind QueryResultIterator.

Each Backend implementation has to have its own version of QueryResultIteratorBackend.

Author:
Daniele Galdi <daniele.galdi@gmail.com>
Sebastian Trueg <trueg@kde.org>

Definition at line 46 of file queryresultiteratorbackend.h.


Constructor & Destructor Documentation

virtual Soprano::QueryResultIteratorBackend::~QueryResultIteratorBackend (  )  [virtual]
Soprano::QueryResultIteratorBackend::QueryResultIteratorBackend (  )  [protected]

Member Function Documentation

virtual bool Soprano::QueryResultIteratorBackend::next (  )  [pure virtual]

For internal reasons each backend implementation needs to always return true for boolean results.

See also:
QueryResultIterator::next

Implements Soprano::IteratorBackend< BindingSet >.

virtual BindingSet Soprano::QueryResultIteratorBackend::current (  )  const [virtual]

The default implementation constructs the BindingSet using binding() and bindingNames()

See also:
QueryResultIterator::current

Implements Soprano::IteratorBackend< BindingSet >.

virtual Statement Soprano::QueryResultIteratorBackend::currentStatement (  )  const [pure virtual]
virtual Node Soprano::QueryResultIteratorBackend::binding ( const QString name  )  const [pure virtual]
See also:
QueryResultIterator::binding(const QString&)
virtual Node Soprano::QueryResultIteratorBackend::binding ( int  offset  )  const [pure virtual]
See also:
QueryResultIterator::binding(int)
virtual int Soprano::QueryResultIteratorBackend::bindingCount (  )  const [pure virtual]
virtual QStringList Soprano::QueryResultIteratorBackend::bindingNames (  )  const [pure virtual]
virtual bool Soprano::QueryResultIteratorBackend::isGraph (  )  const [pure virtual]
virtual bool Soprano::QueryResultIteratorBackend::isBinding (  )  const [pure virtual]
virtual bool Soprano::QueryResultIteratorBackend::isBool (  )  const [pure virtual]
virtual bool Soprano::QueryResultIteratorBackend::boolValue (  )  const [pure virtual]

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

Generated on 1 Oct 2010 for Soprano by  doxygen 1.6.1