/**
* \Kafka\ProducerConnect::CreateCached(...)
*
* @param string $connectionString
* @param int $compression
* @param Partitioner $partitioner
* @param float $apiVersion
* @param int $connectorTtl = 60
* @throws \Kafka\Exception
*/
public static function CreateCached($connectionString, $compression = \Kafka\Kafka::COMPRESSION_NONE, Partitioner $partitioner = null, $apiVersion = 0.7, $connectorTtl = 60)
{
$cacheFile = sys_get_temp_dir() . "/kafka-connector-{$apiVersion}-" . md5(serialize($connectionString));
if (!file_exists($cacheFile) || time() - filemtime($cacheFile) > $connectorTtl) {
//create new connector and so redisover topics and brokers
$connector = \Kafka\ProducerConnector::Create($connectionString);
//and cache for another minute
file_put_contents($cacheFile, serialize($connector));
} else {
$connector = unserialize(file_get_contents($cacheFile));
}
$connector->compression = $compression;
if ($partitioner === null) {
$partitioner = new \Kafka\Partitioner();
} elseif (!$partitioner instanceof \Kafka\Partitioner) {
throw new \Kafka\Exception("partitioner must be instance of Partitioner class");
}
$connector->partitioner = $partitioner;
return $connector;
}
<?php
// bootstrap
require dirname(__FILE__) . "/../src/Kafka/Kafka.php";
require dirname(__FILE__) . "/../src/Kafka/V07/Metadata.php";
$p = \Kafka\ProducerConnector::Create('hq-mharis-d02:2181');
while (true) {
sleep(2);
try {
$p->addMessage('test', 'hello');
$p->addMessage('test', 'world');
sleep(2);
$p->produce();
echo "Produced 2 messages for test\n";
} catch (\Kafka\Exception\TopicUnavailable $e) {
echo "Failed to produce " . $e->getMessage() . "\n";
}
}
