/**
* Adds meta-information about an entity (such as the ID and type) to the RDF graph.
*
* @todo: extract into MetaDataRdfBuilder
*
* @param EntityDocument $entity
*/
private function addEntityMetaData(EntityDocument $entity)
{
$entityLName = $this->vocabulary->getEntityLName($entity->getId());
$this->writer->about(RdfVocabulary::NS_ENTITY, $entityLName)->a(RdfVocabulary::NS_ONTOLOGY, $this->vocabulary->getEntityTypeName($entity->getType()));
if ($entity instanceof Property) {
$this->writer->say(RdfVocabulary::NS_ONTOLOGY, 'propertyType')->is(RdfVocabulary::NS_ONTOLOGY, $this->vocabulary->getDataTypeName($entity));
$id = $entity->getId()->getSerialization();
$this->writePropertyPredicates($id, $this->propertyIsLink($entity));
$this->writeNovalueClass($id);
}
}
