/**
* @param RelationshipsInterface $relationships
* @return bool
*/
protected function validateRequired(RelationshipsInterface $relationships)
{
$valid = true;
foreach ($this->required as $key) {
if (!$relationships->has($key)) {
$this->addError($this->errorFactory->memberRequired($key, P::relationships()));
$valid = false;
}
}
return $valid;
}
