org.semanticdesktop.aperture.rdf
Interface ValueFactory

All Known Implementing Classes:

ValueFactoryImpl

public interface ValueFactory

Creates RDF2Go Literals, Uris, Blank nodes and Statements.

Method Summary

BlankNode	createBlankNode() Creates a new blank node.
Literal	createLiteral(boolean value) Creates a new xsd:boolean-typed literal representing the specified value.
Literal	createLiteral(byte value) Creates a new xsd:byte-typed literal representing the specified value.
Literal	createLiteral(double value) Creates a new xsd:double-typed literal representing the specified value.
Literal	createLiteral(float value) Creates a new xsd:float-typed literal representing the specified value.
Literal	createLiteral(int value) Creates a new xsd:int-typed literal representing the specified value.
Literal	createLiteral(long value) Creates a new xsd:long-typed literal representing the specified value.
Literal	createLiteral(short value) Creates a new xsd:short-typed literal representing the specified value.
Literal	createLiteral(String label) Creates a new literal with the supplied label.
Literal	createLiteral(String label, URI datatype) Creates a new literal with the supplied label and datatype.
Statement	createStatement(Resource subject, URI predicate, Node object) Creates a new statement with the supplied subject, predicate and object.
URI	createURI(String uri) Creates a new URI from the supplied string-representation.
URI	createURI(String namespaceUri, String localName) Creates a new URI from the namespace uri and local name;

Method Detail

createURI

URI createURI(String uri)
              throws ModelException

Creates a new URI from the supplied string-representation.

Parameters:

uri - A string-representation of a URI.

Returns:

An object representing the URI.

Throws:

ModelException

createURI

URI createURI(String namespaceUri,
              String localName)
              throws ModelException

Creates a new URI from the namespace uri and local name;

Parameters:

namespaceUri - A string-representation of a namespace URI.

localName - A string representation of the local name

Returns:

An object representing the URI.

Throws:

ModelException

createBlankNode

BlankNode createBlankNode()

Creates a new blank node.

Returns:

An object representing the blank node.

createLiteral

Literal createLiteral(String label)
                      throws ModelException

Creates a new literal with the supplied label.

Parameters:

label - The literal's label.

Throws:

ModelException

createLiteral

Literal createLiteral(String label,
                      URI datatype)
                      throws ModelException

Creates a new literal with the supplied label and datatype.

Parameters:

label - The literal's label.

datatype - The literal's datatype, or null if the literal doesn't have a datatype.

Throws:

ModelException

createLiteral

Literal createLiteral(boolean value)
                      throws ModelException

Creates a new xsd:boolean-typed literal representing the specified value.

Parameters:

value - The value for the literal

Returns:

An xsd:boolean-typed literal for the specified value.

Throws:

ModelException

createLiteral

Literal createLiteral(long value)
                      throws ModelException

Creates a new xsd:long-typed literal representing the specified value.

Parameters:

value - The value for the literal

Returns:

An xsd:long-typed literal for the specified value.

Throws:

ModelException

createLiteral

Literal createLiteral(int value)
                      throws ModelException

Creates a new xsd:int-typed literal representing the specified value.

Parameters:

value - The value for the literal

Returns:

An xsd:int-typed literal for the specified value.

Throws:

ModelException

createLiteral

Literal createLiteral(short value)
                      throws ModelException

Creates a new xsd:short-typed literal representing the specified value.

Parameters:

value - The value for the literal

Returns:

An xsd:short-typed literal for the specified value.

Throws:

ModelException

createLiteral

Literal createLiteral(byte value)
                      throws ModelException

Creates a new xsd:byte-typed literal representing the specified value.

Parameters:

value - The value for the literal

Returns:

An xsd:byte-typed literal for the specified value.

Throws:

ModelException

createLiteral

Literal createLiteral(double value)
                      throws ModelException

Creates a new xsd:double-typed literal representing the specified value.

Parameters:

value - The value for the literal

Returns:

An xsd:double-typed literal for the specified value.

Throws:

ModelException

createLiteral

Literal createLiteral(float value)
                      throws ModelException

Creates a new xsd:float-typed literal representing the specified value.

Parameters:

value - The value for the literal

Returns:

An xsd:float-typed literal for the specified value.

Throws:

ModelException

createStatement

Statement createStatement(Resource subject,
                          URI predicate,
                          Node object)

Creates a new statement with the supplied subject, predicate and object.

Parameters:

subject - The statement's subject.

predicate - The statement's predicate.

object - The statement's object.

Returns:

The created statement.