io.konig.core.impl

Class VertexImpl

java.lang.Object

io.konig.core.impl.VertexImpl

All Implemented Interfaces:

Vertex

public class VertexImpl
extends Object
implements Vertex

Constructor Summary

Constructors

Constructor and Description
VertexImpl(Graph graph, org.openrdf.model.Resource id)

Method Summary

Modifier and Type	Method and Description
void	add(Edge e)
void	addProperty(org.openrdf.model.URI property, org.openrdf.model.Value value)
List<org.openrdf.model.Value>	asList()
Graph	asNamedGraph() Get a representation of this Vertex as a named graph.
Graph	assertNamedGraph() Assert that this Vertex is a named graph and get that graph.
Traversal	asTraversal()
Double	doubleValue(org.openrdf.model.URI predicate)
Graph	getGraph() Get the graph that contains this vertex.
org.openrdf.model.Resource	getId() The identifier for this Vertex
org.openrdf.model.Resource	getResource(org.openrdf.model.URI predicate) Get the value of a specified property as a Resource
org.openrdf.model.URI	getURI(org.openrdf.model.URI predicate) Get the value of a specified property as a URI.
org.openrdf.model.Value	getValue(org.openrdf.model.URI predicate) Get the value of a specified property.
Set<org.openrdf.model.Value>	getValueSet(org.openrdf.model.URI predicate) Get the set of values of a specified property
Vertex	getVertex(org.openrdf.model.URI predicate) Get the value of a property as a Vertex
Set<Vertex>	getVertexSet(org.openrdf.model.URI predicate) Get the set of values of a specified property as a set of vertices.
boolean	hasEdge(Edge edge)
boolean	hasProperty(org.openrdf.model.URI predicate, org.openrdf.model.Value value) Test whether the Vertex has a given value for a specified property.
Set<Map.Entry<org.openrdf.model.URI,Set<Edge>>>	inEdges()
Set<Edge>	inEdgeSet() Returns a set containing all of the incoming edges
Set<Edge>	inProperty(org.openrdf.model.URI predicate) Get the Set of incoming edges with the specified predicate.
Integer	integerValue(org.openrdf.model.URI predicate)
boolean	isList()
boolean	isOrphan() Test whether the Vertex has any incoming edges.
Set<Map.Entry<org.openrdf.model.URI,Set<Edge>>>	outEdges() Returns a set of entries for the outgoing edges
Set<Edge>	outEdgeSet() Returns a set containing all of the outgoing edges
Set<Edge>	outProperty(org.openrdf.model.URI predicate) Get the Set of outgoing edges with the specified predicate.
void	remove(Edge edge)
String	stringValue(org.openrdf.model.URI predicate)
String	toString()
Vertex	vertexValue(org.openrdf.model.URI predicate)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

VertexImpl

public VertexImpl(Graph graph,
                  org.openrdf.model.Resource id)

Method Detail

getId

public org.openrdf.model.Resource getId()

Description copied from interface: Vertex

The identifier for this Vertex

Specified by:

getId in interface Vertex

Returns:

getGraph

public Graph getGraph()

Description copied from interface: Vertex

Get the graph that contains this vertex.

Specified by:

getGraph in interface Vertex

Returns:

The graph that contains this vertex.

add

public void add(Edge e)

outProperty

public Set<Edge> outProperty(org.openrdf.model.URI predicate)

Description copied from interface: Vertex

Get the Set of outgoing edges with the specified predicate.

Specified by:

outProperty in interface Vertex

Parameters:

predicate - The predicate for the outgoing edges

Returns:

The set of outgoing edges with the specified predicate, or an empty set if there are no such outgoing edges.

inProperty

public Set<Edge> inProperty(org.openrdf.model.URI predicate)

Description copied from interface: Vertex

Get the Set of incoming edges with the specified predicate.

Specified by:

inProperty in interface Vertex

Parameters:

predicate - The predicate for the incoming edges

Returns:

The set of incoming edges with the specified predicate

inEdges

public Set<Map.Entry<org.openrdf.model.URI,Set<Edge>>> inEdges()

Specified by:

inEdges in interface Vertex

outEdges

public Set<Map.Entry<org.openrdf.model.URI,Set<Edge>>> outEdges()

Description copied from interface: Vertex

Returns a set of entries for the outgoing edges

Specified by:

outEdges in interface Vertex

asTraversal

public Traversal asTraversal()

Specified by:

asTraversal in interface Vertex

remove

public void remove(Edge edge)

Specified by:

remove in interface Vertex

toString

public String toString()

Overrides:

toString in class Object

asNamedGraph

public Graph asNamedGraph()

Description copied from interface: Vertex

Get a representation of this Vertex as a named graph.

Specified by:

asNamedGraph in interface Vertex

Returns:

The Graph representation of this Vertex, or null if this Vertex is not a named graph

assertNamedGraph

public Graph assertNamedGraph()

Description copied from interface: Vertex

Assert that this Vertex is a named graph and get that graph.

Specified by:

assertNamedGraph in interface Vertex

Returns:

The Graph representation of this Vertex. A graph representation will be created if it does not exist.

hasEdge

public boolean hasEdge(Edge edge)

Specified by:

hasEdge in interface Vertex

outEdgeSet

public Set<Edge> outEdgeSet()

Description copied from interface: Vertex

Returns a set containing all of the outgoing edges

Specified by:

outEdgeSet in interface Vertex

inEdgeSet

public Set<Edge> inEdgeSet()

Description copied from interface: Vertex

Returns a set containing all of the incoming edges

Specified by:

inEdgeSet in interface Vertex

asList

public List<org.openrdf.model.Value> asList()

Specified by:

asList in interface Vertex

getVertexSet

public Set<Vertex> getVertexSet(org.openrdf.model.URI predicate)

Description copied from interface: Vertex

Get the set of values of a specified property as a set of vertices.

Specified by:

getVertexSet in interface Vertex

getValue

public org.openrdf.model.Value getValue(org.openrdf.model.URI predicate)
                                 throws KonigException

Description copied from interface: Vertex

Get the value of a specified property.

Specified by:

getValue in interface Vertex

Parameters:

predicate - The predicate that identifies the property whose value is to be returned.

Returns:

A value for the specified property, or null if no such property exists. If the vertex contains more than one value for the given property, the returned value is indeterminate.

Throws:

KonigException

hasProperty

public boolean hasProperty(org.openrdf.model.URI predicate,
                           org.openrdf.model.Value value)

Description copied from interface: Vertex

Test whether the Vertex has a given value for a specified property.

Specified by:

hasProperty in interface Vertex

Parameters:

predicate - The property to be tested

value - The value to be tested

Returns:

True if the vertex has the given value for the specified property and false otherwise

addProperty

public void addProperty(org.openrdf.model.URI property,
                        org.openrdf.model.Value value)

Specified by:

addProperty in interface Vertex

integerValue

public Integer integerValue(org.openrdf.model.URI predicate)

Specified by:

integerValue in interface Vertex

stringValue

public String stringValue(org.openrdf.model.URI predicate)

Specified by:

stringValue in interface Vertex

doubleValue

public Double doubleValue(org.openrdf.model.URI predicate)

Specified by:

doubleValue in interface Vertex

vertexValue

public Vertex vertexValue(org.openrdf.model.URI predicate)

Specified by:

vertexValue in interface Vertex

isOrphan

public boolean isOrphan()

Description copied from interface: Vertex

Test whether the Vertex has any incoming edges.

Specified by:

isOrphan in interface Vertex

Returns:

True if there are no incoming edges and false otherwise

getVertex

public Vertex getVertex(org.openrdf.model.URI predicate)
                 throws KonigException

Description copied from interface: Vertex

Get the value of a property as a Vertex

Specified by:

getVertex in interface Vertex

Parameters:

predicate - The predicate that identifies the property

Returns:

A Vertex representing the value of the specified property, or null if no such value exists.

Throws:

KonigException - If there is more than one value for the specified property

getURI

public org.openrdf.model.URI getURI(org.openrdf.model.URI predicate)

Description copied from interface: Vertex

Get the value of a specified property as a URI.

Specified by:

getURI in interface Vertex

Parameters:

predicate - The predicate that identifies the properties whose value is to be returned.

Returns:

The URI value for the specified property. If no such property exists or does not have a URI value, this method returns null.

getValueSet

public Set<org.openrdf.model.Value> getValueSet(org.openrdf.model.URI predicate)

Description copied from interface: Vertex

Get the set of values of a specified property

Specified by:

getValueSet in interface Vertex

getResource

public org.openrdf.model.Resource getResource(org.openrdf.model.URI predicate)

Description copied from interface: Vertex

Get the value of a specified property as a Resource

Specified by:

getResource in interface Vertex

Parameters:

predicate - The predicate that identifies the property whose value is to be returned.

Returns:

The value of the specified property. If no such value exists or none of the values is a Resource, this method returns null.

isList

public boolean isList()

Specified by:

isList in interface Vertex