com.hp.hpl.jena.rdf.model
Interface RDFVisitor

public interface RDFVisitor

Author:

kers The interface for visiting (ie type-dispatching) an RDF Node.

Method Summary

java.lang.Object	visitBlank(Resource r, AnonId id) Method to call when visiting a blank node r with identifier id.
java.lang.Object	visitLiteral(Literal l) Method to call when visiting a literal RDF node l.
java.lang.Object	visitURI(Resource r, java.lang.String uri) Method to call when visiting a URI node r with the given uri.

Method Detail

visitBlank

public java.lang.Object visitBlank(Resource r,
                                   AnonId id)

Method to call when visiting a blank node r with identifier id.

Parameters:

r - the blank RDF node being visited

id - the identifier of that node

Returns:

value to be returned from the visit

visitURI

public java.lang.Object visitURI(Resource r,
                                 java.lang.String uri)

Method to call when visiting a URI node r with the given uri.

Parameters:

r - the URI node being visited

uri - the URI string of that node

Returns:

value to be returned from the visit

visitLiteral

public java.lang.Object visitLiteral(Literal l)

Method to call when visiting a literal RDF node l.

Parameters:

l - the RDF Literal node

Returns:

a value to be returned from the visit