Task queue boilerplate.
/**
* {@inheritdoc}
* @see \Scalr\System\Zmq\Cron\AbstractTask::config()
*/
public function config()
{
$config = parent::config();
if ($config->daemon) {
//Report a warning to the log
trigger_error(sprintf("Demonized mode is not allowed for '%s' task. Forcing normal mode.", $this->name), E_USER_WARNING);
//Forces normal mode
$config->daemon = false;
}
return $config;
}
/**
* {@inheritdoc}
* @see \Scalr\System\Zmq\Cron\AbstractTask::config()
*/
public function config()
{
$config = parent::config();
if ($config->daemon) {
//Report a warning to log
trigger_error(sprintf("Demonized mode is not allowed for '%s' job.", $this->name), E_USER_WARNING);
//Forces normal mode
$config->daemon = false;
}
if ($config->workers != 1) {
//It cannot be performed through ZMQ MDP as execution time exceeds heartbeat
trigger_error(sprintf("It is allowed only one worker for the '%s' job.", $this->name), E_USER_WARNING);
$config->workers = 1;
}
return $config;
}
/**
* Constructor
*/
public function __construct()
{
parent::__construct();
$this->db = \Scalr::getDb();
}
/**
* {@inheritdoc}
* @see \Scalr\System\Zmq\Cron\AbstractTask::launchWorkers()
*/
protected function launchWorkers($address = null)
{
$config = $this->config();
//It launches different pools of workers according to replication schema defined in the config
foreach (array_merge(!empty($config->replicate['type']) ? $config->replicate['type'] : [], ['all']) as $type) {
if (!empty($config->replicate['account'])) {
foreach ($config->replicate['account'] as $acc) {
parent::launchWorkers($this->name . '.' . $type . '.' . $acc);
}
}
parent::launchWorkers($this->name . '.' . $type . '.all');
}
}
/**
* Constructor
*/
public function __construct()
{
parent::__construct();
$this->db = \Scalr::getDb();
$this->serializer = new Scalr_Messaging_XmlSerializer();
$this->jsonSerializer = new Scalr_Messaging_JsonSerializer();
}
