org.apache.jena.rdf.model

Interface RDFVisitor

public interface RDFVisitor

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

Method Summary

Modifier and Type	Method and Description
Object	visitBlank(Resource r, AnonId id) Method to call when visiting a blank node r with identifier id.
Object	visitLiteral(Literal l) Method to call when visiting a literal RDF node l.
default Object	visitStmt(Resource r, Statement statement) Method to call when visiting a resource with a statement.
Object	visitURI(Resource r, String uri) Method to call when visiting a URI node r with the given uri.

Method Detail

visitBlank

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

Object visitURI(Resource r,
                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

visitStmt

default Object visitStmt(Resource r,
                         Statement statement)

Method to call when visiting a resource with a statement.

Parameters:

r - the resource node being visited

statement - the statement of that node

Returns:

value to be returned from the visit

visitLiteral

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