public function index()
{
// Setup the command handler
$commandHandler = new ExampleCommandHandler();
// Create a command bus and subscribe the command handler at the command bus
$commandBus = new SimpleCommandBus();
$commandBus->subscribe($commandHandler);
// Create and dispatch the command!
$command = new ExampleCommand('Hi from command!');
$commandBus->dispatch($command);
}
/**
* @param ServiceLocatorInterface $serviceLocator
* @return SimpleCommandBus
*/
public function __invoke(ServiceLocatorInterface $serviceLocator)
{
$commandBus = new SimpleCommandBus();
$config = $serviceLocator->get('Config');
if (!isset($config['broadway']['command_handlers'])) {
throw new InvalidArgumentException('Missing command handlers config');
}
$handlerList = $config['broadway']['command_handlers'];
foreach ($handlerList as $handlerName) {
/* @var CommandHandlerInterface $handler */
$handler = $serviceLocator->get($handlerName);
if (!$handler instanceof CommandHandlerInterface) {
throw new InvalidArgumentException(sprintf('Command handler must be an instance of %s, %s given.', CommandHandlerInterface::class, is_object($handler) ? get_class($handler) : gettype($handler)));
}
$commandBus->subscribe($handler);
}
return $commandBus;
}
