/**
* replaces an edge definition of the graph.
*
* This will replace an edge definition in the graph.<br><br>
*
*
* @throws Exception
*
* @param mixed $graph - graph name as a string or instance of Graph
* @param EdgeDefinition $edgeDefinition - the edge definition.
*
* @return Graph
* @since 2.2
*/
public function replaceEdgeDefinition($graph, $edgeDefinition)
{
if ($graph instanceof Graph) {
$graph = $graph->getKey();
}
$url = UrlHelper::buildUrl(Urls::URL_GRAPH, array($graph, Urls::URLPART_EDGE, $edgeDefinition->getRelation()));
$data = $edgeDefinition->transformToArray();
try {
$response = $this->getConnection()->put($url, $this->json_encode_wrapper($data));
} catch (Exception $e) {
throw new ClientException($e->getMessage());
}
$data = $response->getJson();
$options['_isNew'] = false;
$result = Graph::createFromArray($data['graph'], $options);
$result->set(Graph::ENTRY_KEY, $data['graph'][self::OPTION_NAME]);
return $result;
}
