<?php

namespace App\Entity;

use Doctrine\ORM\Mapping as ORM;
use Symfony\Component\Validator\Constraints as Assert;

/**
 * @ORM\Entity()
 */
class FileAssociationCampaign extends FileAssociationAbstract
{
    /**
     * @ORM\ManyToOne(targetEntity="App\Entity\Campaign")
     * @ORM\JoinColumn(onDelete="CASCADE")
     * @Assert\NotBlank()
     */
    private $campaign;

    /**
     * @return mixed
     */
    public function getCampaign()
    {
        return $this->campaign;
    }

    /**
     * @param mixed $campaign
     *
     * @return FileAssociationCampaign
     */
    public function setCampaign($campaign)
    {
        $this->campaign = $campaign;

        return $this;
    }
}