/**
* Formats the Neo4j Response.
*
* @param array $response
* @param \GraphAware\Common\Cypher\Statement[] $statements
*
* @return ResultCollection
*
* @throws Neo4jException
*/
public function format(array $response, array $statements)
{
if (isset($response['errors'][0])) {
$e = new Neo4jException($response['errors'][0]['message']);
$e->setNeo4jStatusCode($response['errors'][0]['code']);
throw $e;
}
$results = new ResultCollection();
foreach ($response['results'] as $k => $result) {
$resultO = new Result($statements[$k]);
$resultO->setFields($result['columns']);
foreach ($result['data'] as $data) {
$resultO->pushRecord($data['rest'], $data['graph']);
}
if (array_key_exists('stats', $result)) {
$resultO->setStats($result['stats']);
}
$results->add($resultO, $statements[$k]->getTag());
}
return $results;
}
/**
* Run a Cypher statement against the default database or the database specified.
*
* @param $query
* @param null|array $parameters
* @param null|string $tag
* @param null|string $connectionAlias
*
* @return \GraphAware\Common\Result\Result|null
*
* @throws \GraphAware\Neo4j\Client\Exception\Neo4jExceptionInterface
*/
public function run($query, $parameters = null, $tag = null, $connectionAlias = null)
{
$connection = $this->connectionManager->getConnection($connectionAlias);
$params = null !== $parameters ? $parameters : array();
$statement = Statement::create($query, $params, $tag);
$this->eventDispatcher->dispatch(Neo4jClientEvents::NEO4J_PRE_RUN, new PreRunEvent(array($statement)));
try {
$result = $connection->run($query, $parameters, $tag);
$this->eventDispatcher->dispatch(Neo4jClientEvents::NEO4J_POST_RUN, new PostRunEvent(ResultCollection::withResult($result)));
} catch (Neo4jException $e) {
$event = new FailureEvent($e);
$this->eventDispatcher->dispatch(Neo4jClientEvents::NEO4J_ON_FAILURE, $event);
if ($event->shouldThrowException()) {
throw $e;
}
return;
}
return $result;
}
