/**
* Validate the input arguments
*
* @param $field_type
*/
protected static function validateFieldType($field_type)
{
if (FieldType::isValid($field_type)) {
return;
}
$err_msg = self::validationErrorMsg(array('Argument 1 `$field_type` ' . 'must be a valid FieldType.'));
throw new \InvalidArgumentException($err_msg);
}
/**
* Creates empty table of fields as $field_type => FieldGroup pairs
*
* @return array
*/
private function initFieldTable()
{
$table = array();
$field_types = FieldType::getConstants();
foreach ($field_types as $type) {
$field_group = new FieldGroup();
$field_group->setRelation($this->getFieldRelation($type));
$table[$type] = $field_group;
}
return $table;
}
