/usr/include/soprano/rdfschemamodel.h is in libsoprano-dev 2.9.4+dfsg1-0ubuntu2.
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* This file is part of Soprano Project.
*
* Copyright (C) 2007 Sebastian Trueg <trueg@kde.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef _SOPRANO_RDF_SCHEMA_MODEL_H_
#define _SOPRANO_RDF_SCHEMA_MODEL_H_
#include "filtermodel.h"
#include "node.h"
#include "soprano_export.h"
namespace Soprano {
class Model;
class StatementIterator;
/**
* \class RdfSchemaModel rdfschemamodel.h Soprano/RdfSchemaModel
*
* \brief Provides convenience methods to handle RDFS data.
*
* Interface based on Sesame's RdfSchemaSource. (Copyright (C) 2002-2006 Aduna BV, GNU LGPL License applies.)
*
* \warning Backward inferencing has not been implemented yet. Thus, methods like subClassOf() return the same
* as directSubClassOf().
*
* \author Sebastian Trueg <trueg@kde.org>
*/
class SOPRANO_EXPORT RdfSchemaModel : public FilterModel
{
public:
/**
* Create a new RDF Schema wrapper model that performs actions
* on \p model
*/
RdfSchemaModel( Model* parentModel = 0 );
/**
* Destructor.
*/
~RdfSchemaModel();
/**
* Get all defined RDF/S classes.
* \return a StatementIterator that iterates over all statements in the model
* defining an RDF/S class.
*/
StatementIterator classes() const;
/**
* Gets all direct subClassOf relations with a specific sub- and/or superclass.
* A class A is a direct subclass of class B if there is no class C such that A is
* a subclass of C and C is a subclass of B.
*
* \param subClass The subclass of the relations that should be returned,
* or an empty node if relations with any subclass should be returned.
* \param superClass The superclass of the relations that should be returned,
* or an empty node if relations with any superclass should be returned.
*
* \return A StatementIterator containing statements of the form
* (subClass, rdfs:subClassOf, superClass).
*/
StatementIterator directSubClassOf( const Node& subClass, const Node& superClass = Node() ) const;
/**
* Gets all direct subPropertyOf relations with a specific sub- and/or superproperty.
* A property A is a direct subproperty of property B if there is no property C such
* that A is a subproperty of C and C is a subproperty of B.
*
* \param subProperty The subproperty of the relations that should be returned,
* or an empty node if relations with any subproperty should be returned.
* \param superProperty The superproperty of the relations that should be returned,
* or an empty node if relations with any superproperty should be returned.
*
* \return A StatementIterator containing statements of the form
* (subProperty, rdfs:subPropertyOf, superProperty).
*/
StatementIterator directSubPropertyOf( const Node& subProperty, const Node& superProperty = Node() ) const;
/**
* Gets all direct type relations with a specific instance and/or class.
*
* \param someClass The instance of the relations that should be returned,
* or an empty node if relations with any instance should be returned.
* \param someType The class of the relations that should be returned,
* or an empty node if relations with any class should be returned.
*
* \return A StatementIterator containing statements of the form
* (someClass, rdf:type, someType).
*/
StatementIterator directType( const Node& someClass, const Node& someType ) const;
/**
* Gets all domain relations with a specific property and/or domain class.
*
* \param prop The property of the relations that should be returned,
* or an empty node if relations with any property should be returned.
* \param domain The domain of the relations that should be returned,
* or an empty node if relations with any domain should be returned.
*
* \return A StatementIterator containing statements of the form
* (prop, rdfs:domain, domain).
*/
StatementIterator domain( const Node& prop, const Node& domain ) const;
/**
* Gets all defined properties.
*
* \return A StatementIterator containing statements of the form
* (someProperty, rdf:type, rdf:Property).
*/
StatementIterator properties() const;
/**
* Gets all range relations with a specific property and/or range class.
*
* \param prop The property of the relations that should be returned,
* or an empty node if relations with any property should be returned.
* \param range The range of the relations that should be returned,
* or an empty node if relations with any range should be returned.
*
* \return A StatementIterator containing statements of the form
* (prop, rdfs:range, range).
*/
StatementIterator range( const Node& prop, const Node& range ) const;
/**
* Gets all subClassOf relations with a specific sub- and/or superclass.
* Note that the subClassOf relation is reflexive: a class is implicitly
* always a subclass of itself.
*
* Do not use this method if the Soprano backend supports inferencing.
* Use directSubClassOf instead which is much faster.
*
* \param subClass The subclass of the relations that should be returned,
* or an empty node if relations with any subclass should be returned.
* \param superClass The superclass of the relations that should be returned,
* or an emtpy node if relations with any superclass should be returned.
*
* \return A StatementIterator containing all valid statements of the form
* (subClass, rdfs:subClassOf, superClass) including those calculated through
* direct inferencing.
*/
StatementIterator subClassOf( const Node& subClass, const Node& superClass = Node() ) const;
/**
* Gets all subPropertyOf relations with a specific sub- and/or superproperty.
* Note that the subPropertyOf relation is reflexive: a property is implicitly
* always a subproperty of itself.
*
* Do not use this method if the Soprano backend supports inferencing.
* Use directSubPropertyOf instead which is much faster.
*
* \param subProperty The subproperty of the relations that should be returned,
* or an empty node if relations with any subproperty should be returned.
* \param superProperty The superproperty of the relations that should be returned,
* or an empty node if relations with any superproperty should be returned.
*
* \return A StatementIterator containing all valid statements of the form
* (subProperty, rdfs:subPropertyOf, superProperty) including those calculated through
* direct inferencing.
*/
StatementIterator subPropertyOf( const Node& subProperty, const Node& superProperty = Node() ) const;
/**
* Gets all type relations with a specific instance and/or class.
*
* Do not use this method if the Soprano backend supports inferencing.
* Use directType instead which is much faster.
*
* \param someClass The instance of the relations that should be returned,
* or an empty node if relations with any instance should be returned.
* \param someType The class of the relations that should be returned,
* or an empty node if relations with any class should be returned.
*
* \return A StatementIterator containing all valid statements of the form
* (someClass, rdf:type, someType) including those calculated through
* direct inferencing.
*/
StatementIterator type( const Node& someClass, const Node& someType ) const;
/**
* Checks whether the supplied resource represents a class.
*
* \param resource The resource to check.
*
* \return true if resource is a class, false otherwise.
*/
bool isClass( const Node& resource ) const;
/**
* Checks whether the supplied resource represents a property.
*
* \param resource The resource to check.
*
* \return true if resource is a property, false otherwise.
*/
bool isProperty( const Node& resource ) const;
/**
* Checks whether one resource is a direct subclass of another.
*
* \param subClass A class.
* \param superClass A class.
*
* \return true if subClass is a direct subclass of superClass, false otherwise.
*/
bool isDirectSubClassOf( const Node& subClass, const Node& superClass ) const;
/**
* Checks whether one resource is a direct subproperty of another.
*
* \param subProperty A property.
* \param superProperty A property.
*
* \return true if subProperty is a direct subproperty of superProperty, false otherwise.
*/
bool isDirectSubPropertyOf( const Node& subProperty, const Node& superProperty ) const;
/**
* Checks whether one resource is a direct instance of another.
*
* \param someClass An instance.
* \param someType A class.
*
* \return true if someClass is a direct instance of someType, false otherwise.
*/
bool isDirectType( const Node& someClass, const Node& someType ) const;
/**
* Checks whether one resource is a subclass of another.
*
* Do not use this method if the Soprano backend supports inferencing.
* Use isDirectSubClassOf instead which is much faster.
*
* \param subClass A class.
* \param superClass A class.
*
* \return true if subClass is a subclass of superClass, false otherwise.
*/
bool isSubClassOf( const Node& subClass, const Node& superClass ) const;
/**
* Checks whether one resource is a subproperty of another.
*
* Do not use this method if the Soprano backend supports inferencing.
* Use isDirectSubPropertyOf instead which is much faster.
*
* \param subProperty A property.
* \param superProperty A property.
*
* \return true if subProperty is a subproperty of superProperty, false otherwise.
*/
bool isSubPropertyOf( const Node& subProperty, const Node& superProperty ) const;
/**
* Checks whether one resource is a instance of another.
*
* Do not use this method if the Soprano backend supports inferencing.
* Use isDirectType instead which is much faster.
*
* \param someClass An instance.
* \param someType A class.
*
* \return true if someClass is an instance of someType, false otherwise.
*/
bool isType( const Node& someClass, const Node& someType ) const;
private:
class Private;
Private* const d;
};
}
#endif
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