/usr/include/nepomuk/thing.h is in kdelibs5-dev 4:4.13.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
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* This file is part of the Nepomuk KDE project.
* Copyright (C) 2008-2009 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_THING_H_
#define _NEPOMUK_THING_H_
#include "resource.h"
#include "nepomuk_export.h"
// FIXME: (Would it even make sense to check in Nepomuk::Resource if a resource is a pimo:Thing and if so,
// use the PIMO context? Or should we handle that through the Nepomuk::PimoThing class?)
namespace Nepomuk {
/**
* \class Thing thing.h Nepomuk/Thing
*
* \brief A Nepomuk PIMO Thing resource.
*
* A Thing represents a unique abstract concept/idea or real-world
* entity which can have multiple representations or occurrences.
*
* A typical example for a Thing is a unique person resource
* which identifies the person itself, not any representation
* such as an addressbook entry.
*
* Things are typically grounded via application resources,
* i.e. those resources that are created or handled by applications.
* Again the typical example is the addressbook entry.
*
* In general it is recommended to alway use the Thing instead of the
* grounding resource to annotate, i.e. to add tags, or relate to other
* resources. The advantage is its uniqueness. While there can be many
* occurrences of one concept there is only one Thing, identifying
* uniquely.
*
* \author Sebastian Trueg <trueg@kde.org>
*
* \since 4.2
*/
class NEPOMUK_EXPORT Thing : public Resource
{
public:
/**
* Create a Thing object with URI \p uri. If the Thing does not
* exist in the Nepomuk storage yet, it will be created once
* a writing method is called (such as Resource::setProperty).
*
* \param uri The URI of the Thing. If empty, a new random one
* will be created.
* \param pimoType The type of this Thing. Needs to be a subtype
* of pimo:Thing. If empty defaults to pimo:Thing.
*/
Thing( const QUrl& uri = QUrl(), const QUrl& pimoType = QUrl() );
/**
* \overload
*
* \param manager The resource manager to use. This allows to mix resources from different
* managers and, thus, different models.
*
* \since 4.3
*/
Thing( const QUrl& uri, const QUrl& pimoType, ResourceManager* manager );
/**
* Create a new Thing with label or URI \p uriOrName
*
* \param uriOrName The URI or the label of the Thing. The constructor
* tries hard to find the Thing associated. If it is not found, a new
* Thing will be created.
* \param pimoType The type of this Thing. Needs to be a subtype
* of pimo:Thing. If empty defaults to pimo:Thing.
*
* Be aware that using the other constructor is always faster in case
* the URI of the Thing is known.
*/
Thing( const QString& uriOrName, const QUrl& pimoType = QUrl() );
/**
* \overload
*
* \param manager The resource manager to use. This allows to mix resources from different
* managers and, thus, different models.
*
* \since 4.3
*/
Thing( const QString& uriOrName, const QUrl& pimoType, ResourceManager* manager );
/**
* Copy constructor.
*/
Thing( const Thing& other );
/**
* Copy constructor.
*
* \param other the resoruce to construct the Thing from.
*/
Thing( const Resource& other );
/**
* Constructor used internally.
*/
Thing( ResourceData* );
/**
* Desctructor
*/
~Thing();
/**
* Assignment operator.
*/
Thing& operator=( const Thing& res );
/**
* Assignment operator.
*/
Thing& operator=( const Resource& res );
/**
* Assignment operator.
*/
Thing& operator=( const QUrl& res );
/**
* Get the grounding occurrences for this Thing.
* Grounding resources are physical representations
* of the Thing.
*
* An example is an mp3 file which represents an audio track
* or a website which represents a company or a person. Or the
* addressbook entry for an abstract person thing.
*
* \sa pimo:groundingResource
*/
QList<Resource> groundingOccurrences() const;
QList<Resource> referencingOccurrences() const;
QList<Resource> occurrences() const;
/**
* Add a grounding occurrence for this Thing.
* Grounding resources are physical representations
* of the Thing.
*
* An example is an mp3 file which represents an audio track
* or a website which represents a company or a person. Or the
* addressbook entry for an abstract person thing.
*
* \sa pimo:groundingResource
*/
void addGroundingOccurrence( const Resource &res );
/**
* Merges two Things that represent the same real-world
* entity.
*
* \param other The Thing that should be merged into this
* Thing.
*
* All properties of \p other will be merged into this
* Thing and all references to \p other will be replaced
* with references to this Thing.
*/
// void merge( Thing other );
};
}
#endif
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