/**
* {@inheritdoc}
*/
public function addField(FieldInterface $field)
{
$field_id = $field->getFieldIdentifier();
if (Utility::isFieldIdReserved($field_id)) {
$args['%field_id'] = $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));
}
$old_field = $this->getField($field_id);
if ($old_field && $old_field != $field) {
$args['%field_id'] = $field_id;
throw new SearchApiException(new FormattableMarkup('Cannot add field with machine name %field_id: machine name is already taken.', $args));
}
$this->fieldInstances[$field_id] = $field;
return $this;
}
/**
* {@inheritdoc}
*/
public function setField($field_id, FieldInterface $field = NULL)
{
if ($field) {
if ($field->getFieldIdentifier() !== $field_id) {
throw new \InvalidArgumentException('The field identifier passed must be consistent with the identifier set on the field object.');
}
// Make sure that the field has the same index object set as we. This
// might otherwise cause impossibly hard-to-detect bugs.
$field->setIndex($this->index);
$this->fields[$field_id] = $field;
} else {
unset($this->fields[$field_id]);
}
return $this;
}
