Handle a table with two foreign keys to another table with Doctrine

BaseTable1.php

//Table1 has two foreign keys to Table2

abstract class Table1 extends Doctrine_Record {

    public function setUp() {
        //...

        $this->hasOne('Table2 as FirstAlias', array(
             'local' => 'table2_id_first',
             'foreign' => 'id'));

        $this->hasOne('Table2 as SecondAlias', array(
             'local' => 'table2_id_second',
             'foreign' => 'id'));

        //...
    }
}

usage.php

$table1_instance = //load your object

//reference object pointed at by first foreign key
$table1_instance['FirstAlias'];

//reference object pointed at by second foreign key
$table1_instance['SecondAlias'];