Manager::belongsToEntity

public function belongsToEntity(Attach $attachedObject, $entityType, $entityId)
{
	[$connectorClass, $moduleId] = $this->getConnectorDataByEntityType($entityType);

	return
		$attachedObject->getEntityId()   == $entityId &&
		$attachedObject->getModuleId()   == $moduleId &&
		$attachedObject->getEntityType() == $connectorClass;
}