public function createRedlandNodeFromNode(Node $node)
{
if ($node instanceof NamedNode || $node instanceof Literal || $node instanceof BlankNode) {
return $node->getRedlandNode();
} elseif ($node->isNamed()) {
return $this->createNamedNode($node->getUri())->getRedlandNode();
} elseif ($node->isLiteral()) {
return $this->createLiteral($node->getValue(), $node->getDatatype(), $node->getLanguage())->getRedlandNode();
} elseif ($node->isBlank()) {
return $this->createBlankNode($node->getBlankId())->getRedlandNode();
}
throw new \Exception("This node type (" . get_class($node) . ") is not supported by Redland backend");
}
