/**
* @param IdentityInterface $identity
*
* @throws Exception\InvalidArgumentException on complete identity
*/
protected function guardIdentityIsIncomplete(IdentityInterface $identity)
{
if (true === $identity->isComplete()) {
$msg = 'Identity must be incomplete';
throw new Exception\InvalidArgumentException($msg);
}
}
/**
* @param IdentityInterface $identity
*
* @return string
*/
public static function assembleKey(IdentityInterface $identity)
{
if (false === $identity->isComplete()) {
$msg = 'Identity must be complete for key assembly';
throw new Exception\InvalidArgumentException($msg);
}
$keyArr = [$identity->getDomainSpace()];
$values = $identity->getValues();
$keyArr = array_merge($keyArr, $values);
$key = implode('-', $keyArr);
return $key;
}