public function update(Person $person, $nameFirst, $nameLast)
{
$credentialsCollection = $person->getCredentials();
$credentialsCollection->first();
$credentials = $credentialsCollection->current();
$credentials->setNameFirst($nameFirst);
$credentials->setNameLast($nameLast);
$this->objectManager->persist($credentials);
$this->objectManager->flush();
}
/**
* {@inheritDoc}
*/
public function getCredentials()
{
$this->__initializer__ && $this->__initializer__->__invoke($this, 'getCredentials', array());
return parent::getCredentials();
}