/**
* Check the passed arguments and throw an exception if necessary.
*
* @param ColumnInterface $firstColumn
* @param ColumnInterface $secondColumn
*
* @throws \Exception
*/
private function _validateOnArguments(ColumnInterface $firstColumn, ColumnInterface $secondColumn)
{
$initialJoinArray = array('way' => null, 'tables' => null, 'conditionType' => null, 'condition' => null);
if ($this->joinArray === $initialJoinArray) {
throw new \Exception('method to set join way have call before!');
}
if (!$firstColumn->getTableName() || !$secondColumn->getTableName()) {
throw new \Exception('column arguments require a referenced table!');
}
// if($firstColumn->getColumnName() !== $secondColumn->getColumnName())
// {
// throw new \Exception('column arguments require a equivalent column names!');
// }
}
