/**
* Initializes components.
*
* @param \Es\Services\ServicesInterface $services The services
* @param \Es\Events\ListenersInterface $listeners The listeners
* @param \Es\Events\EventsInterface $events The events
* @param \Es\System\ConfigInterface $config The system configuration
*
* @throws \RuntimeException If the components have already been initialized
*/
public function init(ServicesInterface $services, ListenersInterface $listeners, EventsInterface $events, ConfigInterface $config)
{
if ($this->initialized) {
throw new RuntimeException('The components have already been initialized.');
}
$this->initialized = true;
foreach ($this->container as $component) {
if (method_exists($component, 'getServicesConfig')) {
$services->add($component->getServicesConfig());
}
if (method_exists($component, 'getListenersConfig')) {
$listeners->add($component->getListenersConfig());
}
if (method_exists($component, 'getEventsConfig')) {
foreach ($component->getEventsConfig() as $item) {
call_user_func_array([$events, 'attach'], $item);
}
}
if (method_exists($component, 'getSystemConfig')) {
$config->merge($component->getSystemConfig());
}
}
}
/**
* Merges with other listeners.
*
* @param ListenersInterface $source The data source
*
* @return self
*/
public function merge(ListenersInterface $source)
{
$this->registry = array_merge($this->registry, $source->getRegistry());
$this->instances = array_merge($this->instances, $source->getInstances());
return $this;
}