/**
* Adds a entity listener for entities of this class.
*
* @param string $eventName The entity lifecycle event.
* @param string $class The listener class.
* @param string $method The listener callback method.
*
* @throws \Doctrine\ORM\Mapping\MappingException
*/
public function addEntityListener($eventName, $class, $method)
{
$class = $this->fullyQualifiedClassName($class);
$listener = array('class' => $class, 'method' => $method);
if (!class_exists($class)) {
throw MappingException::entityListenerClassNotFound($class, $this->name);
}
if (!method_exists($class, $method)) {
throw MappingException::entityListenerMethodNotFound($class, $method, $this->name);
}
if (isset($this->entityListeners[$eventName]) && in_array($listener, $this->entityListeners[$eventName])) {
throw MappingException::duplicateEntityListener($class, $method, $this->name);
}
$this->entityListeners[$eventName][] = $listener;
}
