ZF\Apigility\Doctrine\Server\Resource\DoctrineResource::setEventManager PHP Method

    public function setEventManager(EventManagerInterface $events)
    {
        $identifiers = [__CLASS__, get_class($this)];
        if (isset($this->eventIdentifier)) {
            if (is_string($this->eventIdentifier) || is_array($this->eventIdentifier) || $this->eventIdentifier instanceof Traversable) {
                $identifiers = array_unique(array_merge($identifiers, (array) $this->eventIdentifier));
            } elseif (is_object($this->eventIdentifier)) {
                $identifiers[] = $this->eventIdentifier;
            }
            // silently ignore invalid eventIdentifier types
        }
        $events->setIdentifiers($identifiers);
        $this->events = $events;
        if (method_exists($this, 'attachDefaultListeners')) {
            $this->attachDefaultListeners();
        }
        return $this;
    }