/**
* {@inheritdoc}
*/
public function renameField($old_field_id, $new_field_id)
{
if (!isset($this->getFields()[$old_field_id])) {
$args['%field_id'] = $old_field_id;
throw new SearchApiException(new FormattableMarkup('Could not rename field with machine name %field_id: no such field.', $args));
}
if (Utility::isFieldIdReserved($new_field_id)) {
$args['%field_id'] = $new_field_id;
throw new SearchApiException(new FormattableMarkup('%field_id is a reserved value and cannot be used as the machine name of a normal field.', $args));
}
if (isset($this->getFields()[$new_field_id])) {
$args['%field_id'] = $new_field_id;
throw new SearchApiException(new FormattableMarkup("%field_id already exists and can't be used as a new field id.", $args));
}
$this->fieldInstances[$new_field_id] = $this->fieldInstances[$old_field_id];
unset($this->fieldInstances[$old_field_id]);
return $this;
}
