public function attach($owner)
{
parent::attach($owner);
$this->loadRelation();
$validators = $owner->validators;
foreach ($this->_relation->rules() as $rule) {
if ($rule instanceof Validator) {
$validators->append($rule);
} elseif (is_array($rule) && isset($rule[0], $rule[1])) {
// attributes, validator type
$validator = Validator::createValidator($rule[1], $owner, (array) $rule[0], array_slice($rule, 2));
$validators->append($validator);
} else {
throw new InvalidConfigException('Invalid validation rule: a rule must specify both attribute names and validator type.');
}
}
}
