Package org.restlet.ext.rdf

Class Graph

java.lang.Object

java.util.AbstractCollection<E>

java.util.AbstractSet<E>

java.util.concurrent.CopyOnWriteArraySet<Link>

org.restlet.ext.rdf.Graph

All Implemented Interfaces:

java.io.Serializable, java.lang.Iterable<Link>, java.util.Collection<Link>, java.util.Set<Link>

public class Graph
extends java.util.concurrent.CopyOnWriteArraySet<Link>

Graph composed of links. This also called a set of RDF statements or a RDF model.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
private Link	defaultLink	The default link that is used to complete new links.
private static long	serialVersionUID	The serialization unique identifier.

Constructor Summary

Constructors

Constructor	Description
Graph()	Default constructor.
Graph(Link defaultLink)	Constructor with a default link.

Method Summary

Modifier and Type	Method	Description
Link	add(java.lang.String sourceRef, java.lang.String typeRef, Reference targetRef)	Creates then adds a link.
Link	add(java.lang.String sourceRef, java.lang.String typeRef, Literal targetLit)	Creates then adds a link.
Link	add(java.lang.String sourceRef, Reference typeRef, Reference targetRef)	Creates then adds a link.
Link	add(java.lang.String sourceRef, Reference typeRef, Literal targetLit)	Creates then adds a link.
Link	add(Reference sourceRef, java.lang.String typeRef, Reference targetRef)	Creates then adds a link.
Link	add(Reference sourceRef, java.lang.String typeRef, Literal targetLit)	Creates then adds a link.
Link	add(Reference sourceRef, Reference typeRef, Reference targetRef)	Creates then adds a link.
Link	add(Reference sourceRef, Reference typeRef, Literal targetLit)	Creates then adds a link.
Link	add(Graph sourceGraph, Reference typeRef, Reference targetRef)	Creates then adds a link.
Link	add(Graph sourceGraph, Reference typeRef, Literal targetLit)	Creates then adds a link.
Link	addLiteral(java.lang.String sourceRef, java.lang.String typeRef, java.lang.String targetLit)	Creates then adds a link.
Link	addLiteral(Graph sourceGraph, java.lang.String typeRef, java.lang.String targetLit)	Creates then adds a link.
Link	addReference(java.lang.String sourceRef, java.lang.String typeRef, java.lang.String targetRef)	Creates then adds a link.
Link	addReference(Graph sourceGraph, java.lang.String typeRef, java.lang.String targetRef)	Creates then adds a link.
Link	getDefaultLink()	Returns the default link that is used to complete new links.
Representation	getRdfN3Representation()	Returns a representation in the RDF/n3 format.
Representation	getRdfNTriplesRepresentation()	Returns a representation in the RDF/N-Triples format.
Representation	getRdfTurtleRepresentation()	Returns a representation in the RDF/Turtle format.
Representation	getRdfXmlRepresentation()	Returns a representation in the RDF/XML format.
private Graph	getSourceAsGraph(Graph sourceGraph)	Returns the source reference, either the one given in the sourceRef parameter or if it is null, the source reference of the default link.
private Reference	getSourceAsReference(Reference sourceRef)	Returns the source reference, either the one given in the sourceRef parameter or if it is null, the source reference of the default link.
private Literal	getTargetAsLiteral(Literal targetLit)	Returns the target literal, either the one given in the targetLit parameter or if it is null, the target literal of the default link.
private Reference	getTargetAsReference(Reference targetRef)	Returns the target reference, either the one given in the targetRef parameter or if it is null, the target reference of the default link.
private Reference	getTypeRef(Reference typeRef)	Returns the type reference, either the one given in the typeRef parameter or if it is null, the type reference of the default link.
void	setDefaultLink(Link defaultLink)	Sets the default link that is used to complete new links.

Methods inherited from class java.util.concurrent.CopyOnWriteArraySet

add, addAll, clear, contains, containsAll, equals, forEach, isEmpty, iterator, remove, removeAll, removeIf, retainAll, size, spliterator, toArray, toArray

Methods inherited from class java.util.AbstractSet

hashCode

Methods inherited from class java.util.AbstractCollection

toString

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.util.Collection

parallelStream, stream, toArray

Field Detail

serialVersionUID

private static final long serialVersionUID

The serialization unique identifier.

See Also:

Constant Field Values

defaultLink

private Link defaultLink

The default link that is used to complete new links.

Constructor Detail

Graph

public Graph()

Default constructor.

Graph

public Graph(Link defaultLink)

Constructor with a default link.

Parameters:

defaultLink - The link to use when adding links with missing properties.

Method Detail

add

public Link add(Graph sourceGraph,
                Reference typeRef,
                Literal targetLit)

Creates then adds a link. If one of the parameter is null, the value from getDefaultLink() is used instead if possible.

Parameters:

sourceGraph - The source graph.

typeRef - The type reference.

targetLit - The target literal.

Returns:

The created link.

add

public Link add(Graph sourceGraph,
                Reference typeRef,
                Reference targetRef)

Creates then adds a link. If one of the parameter is null, the value from getDefaultLink() is used instead if possible.

Parameters:

sourceGraph - The source graph.

typeRef - The type reference.

targetRef - The target reference.

Returns:

The created link.

add

public Link add(Reference sourceRef,
                Reference typeRef,
                Literal targetLit)

Creates then adds a link. If one of the parameter is null, the value from getDefaultLink() is used instead if possible.

Parameters:

sourceRef - The source resource reference.

typeRef - The type reference.

targetLit - The target literal.

Returns:

The created link.

add

public Link add(Reference sourceRef,
                Reference typeRef,
                Reference targetRef)

Creates then adds a link. If one of the parameter is null, the value from getDefaultLink() is used instead if possible.

Parameters:

sourceRef - The source resource reference.

typeRef - The type reference.

targetRef - The target resource reference.

Returns:

The created link.

add

public Link add(Reference sourceRef,
                java.lang.String typeRef,
                Literal targetLit)

Creates then adds a link. If one of the parameter is null, the value from getDefaultLink() is used instead if possible.

Parameters:

sourceRef - The source resource reference.

typeRef - The type reference.

targetLit - The target literal.

Returns:

The created link.

add

public Link add(Reference sourceRef,
                java.lang.String typeRef,
                Reference targetRef)

Creates then adds a link. If one of the parameter is null, the value from getDefaultLink() is used instead if possible.

Parameters:

sourceRef - The source resource reference.

typeRef - The type reference.

targetRef - The target resource reference.

Returns:

The created link.

add

public Link add(java.lang.String sourceRef,
                Reference typeRef,
                Literal targetLit)

Creates then adds a link. If one of the parameter is null, the value from getDefaultLink() is used instead if possible.

Parameters:

sourceRef - The source resource reference.

typeRef - The type reference.

targetLit - The target literal.

Returns:

The created link.

add

public Link add(java.lang.String sourceRef,
                Reference typeRef,
                Reference targetRef)

Creates then adds a link. If one of the parameter is null, the value from getDefaultLink() is used instead if possible.

Parameters:

sourceRef - The source resource reference.

typeRef - The type reference.

targetRef - The target resource reference.

Returns:

The created link.

add

public Link add(java.lang.String sourceRef,
                java.lang.String typeRef,
                Literal targetLit)

Creates then adds a link. If one of the parameter is null, the value from getDefaultLink() is used instead if possible.

Parameters:

sourceRef - The source resource reference.

typeRef - The type reference.

targetLit - The target literal.

Returns:

The created link.

add

public Link add(java.lang.String sourceRef,
                java.lang.String typeRef,
                Reference targetRef)

Creates then adds a link. If one of the parameter is null, the value from getDefaultLink() is used instead if possible.

Parameters:

sourceRef - The source resource reference.

typeRef - The type reference.

targetRef - The target resource reference.

Returns:

The created link.

addLiteral

public Link addLiteral(Graph sourceGraph,
                       java.lang.String typeRef,
                       java.lang.String targetLit)

Creates then adds a link. If one of the parameter is null, the value from getDefaultLink() is used instead if possible.

Parameters:

sourceGraph - The source graph.

typeRef - The type reference.

targetLit - The target literal.

Returns:

The created link.

addLiteral

public Link addLiteral(java.lang.String sourceRef,
                       java.lang.String typeRef,
                       java.lang.String targetLit)

Creates then adds a link. If one of the parameter is null, the value from getDefaultLink() is used instead if possible.

Parameters:

sourceRef - The source resource reference.

typeRef - The type reference.

targetLit - The target literal.

Returns:

The created link.

addReference

public Link addReference(Graph sourceGraph,
                         java.lang.String typeRef,
                         java.lang.String targetRef)

Creates then adds a link. If one of the parameter is null, the value from getDefaultLink() is used instead if possible.

Parameters:

sourceGraph - The source graph.

typeRef - The type reference.

targetRef - The target reference.

Returns:

The created link.

addReference

public Link addReference(java.lang.String sourceRef,
                         java.lang.String typeRef,
                         java.lang.String targetRef)

Creates then adds a link. If one of the parameter is null, the value from getDefaultLink() is used instead if possible.

Parameters:

sourceRef - The source resource reference.

typeRef - The type reference.

targetRef - The target resource reference.

Returns:

The created link.

getDefaultLink

public Link getDefaultLink()

Returns the default link that is used to complete new links.

Returns:

The default link that is used to complete new links.

getRdfN3Representation

public Representation getRdfN3Representation()

Returns a representation in the RDF/n3 format.

Returns:

A representation in the RDF/n3 format.

getRdfNTriplesRepresentation

public Representation getRdfNTriplesRepresentation()

Returns a representation in the RDF/N-Triples format.

Returns:

A representation in the RDF/N-Triples format.

getRdfTurtleRepresentation

public Representation getRdfTurtleRepresentation()

Returns a representation in the RDF/Turtle format.

Returns:

A representation in the RDF/Turtle format.

getRdfXmlRepresentation

public Representation getRdfXmlRepresentation()

Returns a representation in the RDF/XML format.

Returns:

A representation in the RDF/XML format.

getSourceAsGraph

private Graph getSourceAsGraph(Graph sourceGraph)

Returns the source reference, either the one given in the sourceRef parameter or if it is null, the source reference of the default link.

Parameters:

sourceRef - The source reference to check.

Returns:

The source reference.

getSourceAsReference

private Reference getSourceAsReference(Reference sourceRef)

Returns the source reference, either the one given in the sourceRef parameter or if it is null, the source reference of the default link.

Parameters:

sourceRef - The source reference to check.

Returns:

The source reference.

getTargetAsLiteral

private Literal getTargetAsLiteral(Literal targetLit)

Returns the target literal, either the one given in the targetLit parameter or if it is null, the target literal of the default link.

Parameters:

targetLit - The target literal to check.

Returns:

The target literal.

getTargetAsReference

private Reference getTargetAsReference(Reference targetRef)

Returns the target reference, either the one given in the targetRef parameter or if it is null, the target reference of the default link.

Parameters:

targetRef - The target reference to check.

Returns:

The target reference.

getTypeRef

private Reference getTypeRef(Reference typeRef)

Returns the type reference, either the one given in the typeRef parameter or if it is null, the type reference of the default link.

Parameters:

typeRef - The type reference to check.

Returns:

The type reference.

setDefaultLink

public void setDefaultLink(Link defaultLink)

Sets the default link that is used to complete new links.

Parameters:

defaultLink - The default link that is used to complete new links.