/**
* Executes the current command.
*
* @param InputInterface $input An InputInterface instance
* @param OutputInterface $output An OutputInterface instance
*
* @return integer 0 if everything went fine, or an error code
*
* @throws \InvalidArgumentException When the number of messages to consume is less than 0
* @throws \BadFunctionCallException When the pcntl is not installed and option -s is true
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
if (defined('AMQP_DEBUG') === false) {
define('AMQP_DEBUG', (bool) $input->getOption('debug'));
}
$this->amount = $input->getOption('messages');
if (0 > $this->amount) {
throw new \InvalidArgumentException("The -m option should be null or greater than 0");
}
$this->consumer = $this->getConsumerInstance($input);
if (!is_null($input->getOption('memory-limit')) && ctype_digit((string) $input->getOption('memory-limit')) && $input->getOption('memory-limit') > 0) {
$this->consumer->setMemoryLimit($input->getOption('memory-limit'));
}
$this->consumer->setRoutingKey($input->getOption('route'));
$this->consumer->consume($this->amount);
}
