public function consumeStart($partition, $offset = RD_KAFKA_OFFSET_BEGINNING)
{
if (true === $this->isConsuming) {
throw new \Exception("This topic is already consuming");
}
if (!$this->consumerTopic) {
throw new \Exception("Could not start consuming because no kafka consumer is available");
}
$this->consumerTopic->consumeStart($partition, $offset);
$this->isConsuming = true;
}
public function consume($partition)
{
if (!$this->consumers) {
throw new \Exception("Topic " . $this->name . " has no registered consumers");
}
if (!$this->rdKafkaConsumerTopic) {
throw new \Exception("Topic " . $this->name . " is not registered as consumer topic");
}
$this->rdKafkaConsumerTopic->consumeStart($partition, RD_KAFKA_OFFSET_BEGINNING);
while ($message = $this->rdKafkaConsumerTopic->consume($partition, 10000)) {
foreach ($this->consumers as $consumer) {
$consumer->consume($message->topic_name, $message->partition, $message->offset, $message->key, $message->payload);
}
}
$this->rdKafkaConsumerTopic->consumeStop($partition);
}
