org.fcrepo.kernel.rdf.impl

Class DefaultGraphSubjects

java.lang.Object

org.fcrepo.kernel.rdf.impl.DefaultGraphSubjects

All Implemented Interfaces:

GraphSubjects

public class DefaultGraphSubjects
extends Object
implements GraphSubjects

Translates JCR names into "fedora" subjects (by replacing jcr-specific names with fedora names)

Author:

barmintor

Field Summary

Fields

Modifier and Type	Field and Description
static String	RESOURCE_NAMESPACE Default namespace to use for node URIs

Constructor Summary

Constructors

Constructor and Description
DefaultGraphSubjects(javax.jcr.Session session) Construct the graph with a placeholder context resource

Method Summary

Methods

Modifier and Type	Method and Description
com.hp.hpl.jena.rdf.model.Resource	getContext() Get a context resource
com.hp.hpl.jena.rdf.model.Resource	getGraphSubject(javax.jcr.Node node) Translate a JCR node into an RDF Resource
com.hp.hpl.jena.rdf.model.Resource	getGraphSubject(String absPath) Get the RDF resource for an absolute path
javax.jcr.Node	getNodeFromGraphSubject(com.hp.hpl.jena.rdf.model.Resource subject) Translate an RDF resource into a JCR node
String	getPathFromGraphSubject(com.hp.hpl.jena.rdf.model.Resource subject) Translate an RDF resource into a JCR path
boolean	isFedoraGraphSubject(com.hp.hpl.jena.rdf.model.Resource subject) Predicate for determining whether this Resource is a Fedora object.

Methods inherited from class java.lang.Object

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

Field Detail

RESOURCE_NAMESPACE

public static final String RESOURCE_NAMESPACE

Default namespace to use for node URIs

See Also:

Constant Field Values

Constructor Detail

DefaultGraphSubjects

public DefaultGraphSubjects(javax.jcr.Session session)

Construct the graph with a placeholder context resource

Method Detail

getGraphSubject

public com.hp.hpl.jena.rdf.model.Resource getGraphSubject(String absPath)
                                                   throws javax.jcr.RepositoryException

Description copied from interface: GraphSubjects

Get the RDF resource for an absolute path

Specified by:

getGraphSubject in interface GraphSubjects

Parameters:

absPath - the absolute path to the JCR node

Returns:

an RDF URI resource

Throws:

javax.jcr.RepositoryException

getContext

public com.hp.hpl.jena.rdf.model.Resource getContext()

Description copied from interface: GraphSubjects

Get a context resource

Specified by:

getContext in interface GraphSubjects

Returns:

getGraphSubject

public com.hp.hpl.jena.rdf.model.Resource getGraphSubject(javax.jcr.Node node)
                                                   throws javax.jcr.RepositoryException

Description copied from interface: GraphSubjects

Translate a JCR node into an RDF Resource

Specified by:

getGraphSubject in interface GraphSubjects

Returns:

an RDF URI resource

Throws:

javax.jcr.RepositoryException

getNodeFromGraphSubject

public javax.jcr.Node getNodeFromGraphSubject(com.hp.hpl.jena.rdf.model.Resource subject)
                                       throws javax.jcr.RepositoryException

Description copied from interface: GraphSubjects

Translate an RDF resource into a JCR node

Specified by:

getNodeFromGraphSubject in interface GraphSubjects

Parameters:

subject - an RDF URI resource

Returns:

a JCR node, or null if one couldn't be found

Throws:

javax.jcr.RepositoryException

getPathFromGraphSubject

public String getPathFromGraphSubject(com.hp.hpl.jena.rdf.model.Resource subject)
                               throws javax.jcr.RepositoryException

Description copied from interface: GraphSubjects

Translate an RDF resource into a JCR path

Specified by:

getPathFromGraphSubject in interface GraphSubjects

Returns:

Throws:

javax.jcr.RepositoryException

isFedoraGraphSubject

public boolean isFedoraGraphSubject(com.hp.hpl.jena.rdf.model.Resource subject)

Description copied from interface: GraphSubjects

Predicate for determining whether this Resource is a Fedora object.

Specified by:

isFedoraGraphSubject in interface GraphSubjects

Returns: