/**
* fetch message to broker
*
* @access public
* @return bool|Protocol\Fetch\Topic
*/
public function fetch()
{
$data = $this->_formatPayload();
if (empty($data)) {
return false;
}
$streams = array();
foreach ($data as $host => $requestData) {
$connArr = $this->client->getStream($host);
$conn = $connArr['stream'];
$encoder = new Protocol\Encoder($conn);
$encoder->fetchRequest($requestData);
$streams[$connArr['key']] = $conn;
}
$fetch = new Protocol\Fetch\Topic($streams, $data);
// register fetch helper
$freeStream = new Protocol\Fetch\Helper\FreeStream($this->client);
$freeStream->setStreams($streams);
Protocol\Fetch\Helper\Helper::registerHelper('freeStream', $freeStream);
// register partition commit offset
$commitOffset = new Protocol\Fetch\Helper\CommitOffset($this->client);
$commitOffset->setGroup($this->group);
Protocol\Fetch\Helper\Helper::registerHelper('commitOffset', $commitOffset);
$updateConsumer = new Protocol\Fetch\Helper\Consumer($this);
Protocol\Fetch\Helper\Helper::registerHelper('updateConsumer', $updateConsumer);
return $fetch;
}
