/**
* @return string
* @throws \Exception
*/
public function getDatatype()
{
$nodeFactory = new NodeFactory();
$datatypeUri = self::$xsdString;
$datatype = librdf_node_get_literal_value_datatype_uri($this->redlandNode);
if ($datatype !== null) {
$datatypeUri = librdf_uri_to_string($datatype);
} elseif ($this->getLanguage() !== null) {
$datatypeUri = self::$rdfLangString;
}
return $nodeFactory->createNamedNode($datatypeUri);
}
public function newInstance($subject, $predicate, $object, $graph = null)
{
$world = librdf_php_get_world();
$factory = new NodeFactory();
try {
$redlandSubject = $factory->createRedlandNodeFromNode($subject);
$redlandPredicate = $factory->createRedlandNodeFromNode($predicate);
$redlandObject = $factory->createRedlandNodeFromNode($object);
$statement = librdf_new_statement_from_nodes($world, $redlandSubject, $redlandPredicate, $redlandObject);
return new Statement($statement, $graph);
} catch (\Exception $e) {
$this->markTestSkipped('Can\'t execute this test because: ' . $e->getMessage());
}
}
/**
* Return a new instance of redland Literal
*/
public function newInstance($value, Node $datatype = null, $lang = null)
{
$factory = new NodeFactory();
return $factory->createLiteral($value, $datatype, $lang);
}
public function newInstance($uri)
{
$nodeFactory = new NodeFactory();
return $nodeFactory->createNamedNode($uri);
}