/usr/include/nepomuk/ontology.h is in kdelibs5-dev 4:4.13.3-0ubuntu0.5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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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 _NEPOMUK_ONTOLOGY_H_
#define _NEPOMUK_ONTOLOGY_H_
#include <QtCore/QList>
#include <QtCore/QUrl>
#include <QtCore/QString>
#include <QtCore/QSharedData>
#include "entity.h"
#include "nepomuk_export.h"
namespace Nepomuk {
namespace Types {
class Class;
class Property;
/**
* \class Ontology ontology.h Nepomuk/Types/Ontology
*
* \brief Represents one ontology.
*
* \author Sebastian Trueg <trueg@kde.org>
*/
class NEPOMUK_EXPORT Ontology : public Entity
{
public:
/**
* Default constructor. Creates an empty Ontology.
*/
Ontology();
/**
* Create the ontology referred to by \p uri.
* The result is either a valid ontology which could be loaded from the
* Nepomuk store or a simple class which only contains the uri.
*
* Be aware that the data is only loaded once read.
*
* Subsequent calls result in a simple hash lookup of cached data.
*/
Ontology( const QUrl& uri );
/**
* Default copy constructor
*/
Ontology( const Ontology& );
/**
* Destructor
*/
~Ontology();
Ontology& operator=( const Ontology& );
/**
* All classes defined in this ontology, i.e. its namespace.
*/
QList<Class> allClasses();
/**
* Search for a class in the ontology by its name.
* \param name The name of the class.
* \return the Class object identified by name or an invalid one if the class could not be found.
*/
Class findClassByName( const QString& name );
/**
* Search for a class in the ontology by its label.
* \param label The label of the class (i.e. rdfs:label)
* \param language The language in which the label was specified. If empty the default rdfs:label
* is returned.
* \return the Class object identified by label or an invalid one if the class could not be found.
*/
Class findClassByLabel( const QString& label, const QString& language = QString() );
/**
* A list of all properties defined in this ontology. This does not include properties that use
* classes of this ontology but are defined in a different one.
*/
QList<Property> allProperties();
/**
* Search for a property in the ontology by its name.
* \param name The name of the property.
* \return the Property object identified by name or an invalid one if the property could not be found.
*/
Property findPropertyByName( const QString& name );
/**
* Search for a property in the ontology by its label.
* \param label The label of the property (i.e. rdfs:label)
* \param language The language in which the label was specified. If empty the default rdfs:label
* is returned.
* \return the Property object identified by label or an invalid one if the property could not be found.
*/
Property findPropertyByLabel( const QString& label, const QString& language = QString() );
};
}
}
#ifndef DISABLE_NEPOMUK_LEGACY
namespace Nepomuk {
class Class;
class Property;
/**
* Ontology represents one ontology specified using NRL.
*
* \deprecated in favor of Nepomuk::Types::Ontology
*/
class KDE_DEPRECATED NEPOMUK_EXPORT Ontology
{
public:
/**
* Default constructor. Creates an empty Ontology.
*/
Ontology();
/**
* Default copy constructor
*/
Ontology( const Ontology& );
/**
* Destructor
*/
~Ontology();
Ontology& operator=( const Ontology& );
/**
* The URI of the ontology, i.e. its namespace
*/
QUrl uri() const;
/**
* All classes defined in this ontology, i.e. its namespace.
*/
QList<const Class*> allClasses() const;
/**
* Search for a class in the ontology by its name.
* \param name The name of the class.
* \return the Class object identified by name or 0 if the class could not be found.
*/
const Class* findClassByName( const QString& name ) const;
/**
* Search for a class in the ontology by its label.
* \param label The label of the class (i.e. rdfs:label)
* \param language The language in which the label was specified. If empty the default rdfs:label
* is returned.
* \return the Class object identified by label or 0 if the class could not be found.
*/
const Class* findClassByLabel( const QString& label, const QString& language = QString() ) const;
/**
* Search for a class in the ontology by its name.
* \param uri the URI of the class
* \return the Class object identified by uri or 0 if the class could not be found.
*/
const Class* findClassByUri( const QUrl& uri ) const;
/**
* A list of all properties defined in this ontology. This does not include properties that use
* classes of this ontology but are defined in a different one.
*/
QList<const Property*> allProperties() const;
/**
* Search for a property in the ontology by its name.
* \param name The name of the property.
* \return the Property object identified by name or 0 if the property could not be found.
*/
const Property* findPropertyByName( const QString& name ) const;
/**
* Search for a property in the ontology by its label.
* \param label The label of the property (i.e. rdfs:label)
* \param language The language in which the label was specified. If empty the default rdfs:label
* is returned.
* \return the Property object identified by label or 0 if the property could not be found.
*/
const Property* findPropertyByLabel( const QString& label, const QString& language = QString() ) const;
/**
* Search for a property in the ontology by its name.
* \param uri the URI of the property
* \return the Property object identified by uri or 0 if the property could not be found.
*/
const Property* findPropertyByUri( const QUrl& uri ) const;
/**
* Loads an ontology.
*
* Dependancies are resolved automatically if possible.
*
* \return An Ontology object representing the ontology identified
* by uri or an invalid Ontology object if the resource identified
* by uri is either not an ontology or does not exist.
*/
static const Ontology* load( const QUrl& uri );
private:
class Private;
QSharedDataPointer<Private> d;
friend class OntologyManager;
};
}
#endif // DISABLE_NEPOMUK_LEGACY
#endif
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