/**
* @param MetaInformation $metaInformation
* @param object $entity
* @throws \BadMethodCallException if callback method not exists
* @return boolean
*/
private function addToIndex(MetaInformation $metaInformation, $entity)
{
if (!$metaInformation->hasSynchronizationFilter()) {
return true;
}
$callback = $metaInformation->getSynchronizationCallback();
if (!method_exists($entity, $callback)) {
throw new \BadMethodCallException(sprintf('unknown method %s in entity %s', $callback, get_class($entity)));
}
return $entity->{$callback}();
}
