RDFVisitor (Apache Jena)

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

Method Summary

All Methods Instance Methods Abstract Methods Default Methods
Modifier and Type	Method	Description
`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.
`default java.lang.Object`	`visitStmt(Resource r, Statement statement)`	Method to call when visiting a resource with a statement.
`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
```
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
```
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
  - visitStmt
```
default java.lang.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
```
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