/**
* @param string $topic
* @param ConsumerConfiguration|null $consumerConfiguration
* @return ConsumerTopicFacade
*/
public function createConsumerTopicFacade($topic, ConsumerConfiguration $consumerConfiguration = null)
{
if (null === $consumerConfiguration) {
$consumerConfiguration = new ConsumerConfiguration();
}
if (null === $this->rdKafkaConsumer) {
$this->rdKafkaConsumer = $this->createConsumer();
}
return new ConsumerTopicFacade($this->rdKafkaConsumer->newTopic($topic, $consumerConfiguration->toRdKafkaTopicConfig()));
}
/**
* @param $topic
* @param null $offset
* @param int $count
* @param array $configs
* @return Message
*/
public function consume($topic, $offset = null, $count = 0, $configs = [])
{
$offset = null !== $offset ? $offset : RD_KAFKA_OFFSET_BEGINNING;
$partition = isset($configs['partition']) ? $configs['partition'] : RD_KAFKA_PARTITION_UA;
/** @var ConsumerTopic $topic */
$topic = $this->consumer->newTopic($topic, isset($configs['topic']) ? $configs['topic'] : null);
$this->start($topic, $partition, $offset);
$message = $this->getQueue()->consume($partition, $count);
if ($message->err) {
throw new ConsumerException($message->errstr());
}
return new Message($message->payload, \DateTime::createFromFormat("U", time()), null);
}
/**
* @return ConsumerTopic
*/
private function buildConsumerTopic()
{
$consumer = new Consumer();
$consumer->addBrokers(self::BROKER);
return $consumer->newTopic(self::TOPIC);
}
