Class RDF4JValueConverter

java.lang.Object

fr.inria.rules.integraal.storage.rdf4j.value.converter.RDF4JValueConverter

public class RDF4JValueConverter
extends Object

Converts RDF4J values into InteGraal terms.

Constructor Summary

Constructors

Constructor	Description
RDF4JValueConverter(TermFactory termFactory)	Creates a converter backed by the supplied term factory.

Method Summary

Modifier and Type	Method	Description
Term	convertToTerm(org.eclipse.rdf4j.model.Value rdf4j_value)	Converts a RDF4J Value into a Term, if possible.
static RDF4JValueConverter	getDefaultInstance()	Returns the shared converter instance.

Methods inherited from class Object

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

Constructor Details

RDF4JValueConverter

public RDF4JValueConverter(TermFactory termFactory)

Creates a converter backed by the supplied term factory.

Parameters:

termFactory - the factory used to create InteGraal terms

Method Details

getDefaultInstance

public static RDF4JValueConverter getDefaultInstance()

Returns the shared converter instance.

Returns:

the default converter

convertToTerm

public Term convertToTerm(org.eclipse.rdf4j.model.Value rdf4j_value)

Converts a RDF4J Value into a Term, if possible.

- If it's a literal with a recognized datatype, parse via XSD (so numeric, dateTime, boolean, etc. become typed). - If it's a literal with no datatype (or a language tag), default to xsd:string. - If it's an IRI, store it as a constant - If it's a blank node, store it as a variable

Parameters:

rdf4j_value - the RDF4J value to convert

Returns:

the converted InteGraal term