/**
* Adds a document listener for documents of this class.
*
* @param string $eventName The document lifecycle event.
* @param string $class The listener class.
* @param string $method The listener callback method.
*
* @throws MappingException
*/
public function addDocumentListener($eventName, $class, $method)
{
$class = $this->fullyQualifiedClassName($class);
$listener = ['class' => $class, 'method' => $method];
if (!class_exists($class)) {
throw MappingException::documentListenerClassNotFound($class, $this->name);
}
if (!method_exists($class, $method)) {
throw MappingException::documentListenerMethodNotFound($class, $method, $this->name);
}
if (isset($this->documentListeners[$eventName]) && in_array($listener, $this->documentListeners[$eventName])) {
throw MappingException::duplicateDocumentListener($class, $method, $this->name);
}
$this->documentListeners[$eventName][] = $listener;
}
