<?php

namespace Ulmus\Annotation\Property\Field;

/**
 * Since we need consistancy between the declaration of our ID and FK fields, it
 * was decided to extend the Id class instead of Field for this case.
 */
class ForeignKey extends PrimaryKey {

    public function __construct(? string $type = null, ? int $length = null)
    {
        parent::__construct($type, $length);

        unset($this->nullable);
        $this->attributes['primary_key'] = false;
        $this->attributes['auto_increment'] = false;
    }

}