Syndication::RDF::Node Class Reference

#include <node.h>

Inheritance diagram for Syndication::RDF::Node:

Public Member Functions
virtual	~Node ()
virtual void	accept (NodeVisitor *visitor, NodePtr ptr)
virtual Node *	clone () const =0
virtual unsigned int	id () const =0
virtual bool	isAnon () const =0
virtual bool	isLiteral () const =0
virtual bool	isNull () const =0
virtual bool	isProperty () const =0
virtual bool	isResource () const =0
virtual bool	isSequence () const =0
virtual bool	operator== (const Node &other) const =0
virtual void	setId (unsigned int id)=0
virtual void	setModel (const Model &model)=0
virtual QString	text () const =0

Static Protected Attributes
static unsigned int	idCounter = 1

Detailed Description

an RDF node, abstract baseclass for all RDF node types, like resources and literals

Definition at line 43 of file node.h.

Constructor & Destructor Documentation

Syndication::RDF::Node::~Node ( )

virtual

destructor

Definition at line 36 of file node.cpp.

Member Function Documentation

void Syndication::RDF::Node::accept ( NodeVisitor *  visitor, NodePtr  ptr  )

virtual

Used by visitors for double dispatch.

See NodeVisitor for more information.

Parameters

visitor	the visitor calling the method
ptr	a shared pointer object for this node

Reimplemented in Syndication::RDF::Resource, Syndication::RDF::Literal, Syndication::RDF::Sequence, and Syndication::RDF::Property.

Definition at line 31 of file node.cpp.

virtual Node* Syndication::RDF::Node::clone ( ) const

pure virtual

returns a copy of the object.

Must be implemented by subclasses to return a copy using the concrete type

Implemented in Syndication::RDF::Resource, Syndication::RDF::Sequence, Syndication::RDF::Literal, and Syndication::RDF::Property.

virtual unsigned int Syndication::RDF::Node::id ( ) const

pure virtual

the identifier of this node.

the ID is unique per model and set by the associated model at creation time.

Implemented in Syndication::RDF::Resource, and Syndication::RDF::Literal.

virtual bool Syndication::RDF::Node::isAnon ( ) const

pure virtual

returns whether this node is an anonymous resource

Implemented in Syndication::RDF::Resource, and Syndication::RDF::Literal.

virtual bool Syndication::RDF::Node::isLiteral ( ) const

pure virtual

returns whether this node is a literal

Implemented in Syndication::RDF::Resource, and Syndication::RDF::Literal.

virtual bool Syndication::RDF::Node::isNull ( ) const

pure virtual

returns whether this node is a null node

Implemented in Syndication::RDF::Resource, and Syndication::RDF::Literal.

virtual bool Syndication::RDF::Node::isProperty ( ) const

pure virtual

returns whether this node is a property

Implemented in Syndication::RDF::Resource, Syndication::RDF::Literal, and Syndication::RDF::Property.

virtual bool Syndication::RDF::Node::isResource ( ) const

pure virtual

returns whether this node is a resource

Implemented in Syndication::RDF::Resource, and Syndication::RDF::Literal.

virtual bool Syndication::RDF::Node::isSequence ( ) const

pure virtual

returns whether this node is an RDF sequence

Implemented in Syndication::RDF::Resource, Syndication::RDF::Literal, and Syndication::RDF::Sequence.

virtual bool Syndication::RDF::Node::operator== ( const Node &  other ) const

pure virtual

checks whether two nodes are equal.

The meaning of equality is defined per subclass (e.g. equality of URIs, IDs etc.)

Parameters

other

the node to compare to

Implemented in Syndication::RDF::Resource, and Syndication::RDF::Literal.

virtual void Syndication::RDF::Node::setId ( unsigned int  id )

pure virtual

used in Model

Implemented in Syndication::RDF::Resource, and Syndication::RDF::Literal.

virtual void Syndication::RDF::Node::setModel ( const Model &  model )

pure virtual

used in Model

Implemented in Syndication::RDF::Resource, and Syndication::RDF::Literal.

virtual QString Syndication::RDF::Node::text ( ) const

pure virtual

returns a textual representation of the node.

This is the literal string for literals, and a null string for other node types.

Implemented in Syndication::RDF::Resource, and Syndication::RDF::Literal.

Member Data Documentation

unsigned int Syndication::RDF::Node::idCounter = 1

staticprotected

used to generate unique IDs for node objects

Definition at line 135 of file node.h.

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

• node.h
• node.cpp