public function getName()
    {
        $tableName = $this->table->getName();
        $columnsAsString = implode('_', $this->columns);

        return $tableName . '_' . $columnsAsString . '_key';
    }
public function getName()
    {
        $tableName = $this->table->getName();
        $columnsAsString = implode('_', $this->columns);

        return $tableName . '_' . $columnsAsString . '_key';
    }
{@inheritdoc}