de.fuberlin.wiwiss.ng4j.impl
Class NamedGraphImpl

java.lang.Object
  de.fuberlin.wiwiss.ng4j.impl.NamedGraphImpl

All Implemented Interfaces:

Graph, GraphAdd, NamedGraph

Direct Known Subclasses:

SWPNamedGraphImpl

public class NamedGraphImpl
extends Object
implements NamedGraph

NamedGraph implementation that wraps a Graph instance and a name for that graph. All methods inherited from the Graph interface are delegated to the underlying Graph instance.

NamedGraph instances can be created from any Jena Graph instance, or by calling NamedGraphSet.createGraph(Node) on a NamedGraphSet.

TODO: Implement equals, but with what semantics?

Author:

Chris Bizer, Richard Cyganiak (richard@cyganiak.de)

See Also:

Graph, NamedGraphSet.createGraph(Node)

Field Summary

Fields inherited from interface com.hp.hpl.jena.graph.Graph

emptyGraph

Constructor Summary

NamedGraphImpl(Node graphName, Graph graph)
Creates a NamedGraph from a Graph instance and a name.

NamedGraphImpl(String graphNameURI, Graph graph)
Creates a NamedGraph from a Graph instance and a name.

Method Summary

void	add(Triple t)
void	close()
boolean	contains(Node s, Node p, Node o)
boolean	contains(Triple t)
void	delete(Triple t)
boolean	dependsOn(Graph other)
ExtendedIterator	find(Node s, Node p, Node o)
ExtendedIterator	find(TripleMatch m)
BulkUpdateHandler	getBulkUpdateHandler()
Capabilities	getCapabilities()
GraphEventManager	getEventManager()
Node	getGraphName() Returns the URI of the named graph.
PrefixMapping	getPrefixMapping()
Reifier	getReifier()
TransactionHandler	getTransactionHandler()
boolean	isClosed()
boolean	isEmpty()
boolean	isIsomorphicWith(Graph g)
QueryHandler	queryHandler()
int	size()
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

NamedGraphImpl

public NamedGraphImpl(Node graphName,
                      Graph graph)

Creates a NamedGraph from a Graph instance and a name. The name must be an URI.

Parameters:

graphName - a name for the graph; must be an URI Node

graph - a graph instance

See Also:

NamedGraphSet.createGraph(Node)

NamedGraphImpl

public NamedGraphImpl(String graphNameURI,
                      Graph graph)

Creates a NamedGraph from a Graph instance and a name.

Parameters:

graphNameURI - a name for the graph; must be an URI

graph - a graph instance

See Also:

NamedGraphSet.createGraph(Node)

Method Detail

getGraphName

public Node getGraphName()

Returns the URI of the named graph. The returned Node instance is always an URI and cannot be a blank node or literal.

Specified by:

getGraphName in interface NamedGraph

close

public void close()

Specified by:

close in interface Graph

isClosed

public boolean isClosed()

Specified by:

isClosed in interface Graph

contains

public boolean contains(Node s,
                        Node p,
                        Node o)

Specified by:

contains in interface Graph

contains

public boolean contains(Triple t)

Specified by:

contains in interface Graph

delete

public void delete(Triple t)
            throws DeleteDeniedException

Specified by:

delete in interface Graph

Throws:

DeleteDeniedException

dependsOn

public boolean dependsOn(Graph other)

Specified by:

dependsOn in interface Graph

find

public ExtendedIterator find(Node s,
                             Node p,
                             Node o)

Specified by:

find in interface Graph

find

public ExtendedIterator find(TripleMatch m)

Specified by:

find in interface Graph

getBulkUpdateHandler

public BulkUpdateHandler getBulkUpdateHandler()

Specified by:

getBulkUpdateHandler in interface Graph

getCapabilities

public Capabilities getCapabilities()

Specified by:

getCapabilities in interface Graph

getEventManager

public GraphEventManager getEventManager()

Specified by:

getEventManager in interface Graph

getPrefixMapping

public PrefixMapping getPrefixMapping()

Specified by:

getPrefixMapping in interface Graph

getReifier

public Reifier getReifier()

Specified by:

getReifier in interface Graph

getTransactionHandler

public TransactionHandler getTransactionHandler()

Specified by:

getTransactionHandler in interface Graph

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Graph

isIsomorphicWith

public boolean isIsomorphicWith(Graph g)

Specified by:

isIsomorphicWith in interface Graph

queryHandler

public QueryHandler queryHandler()

Specified by:

queryHandler in interface Graph

size

public int size()

Specified by:

size in interface Graph

add

public void add(Triple t)
         throws AddDeniedException

Specified by:

add in interface GraphAdd

Throws:

AddDeniedException

toString

public String toString()

Overrides:

toString in class Object