Sulu\Bundle\MediaBundle\Entity\File::setMedia PHP Method

    public function setMedia(MediaInterface $media)
    {
        $this->media = $media;
        return $this;
    }

 public function setUpMediaEntities($contact)
 {
     $mediaType = new MediaType();
     $mediaType->setName('document');
     $mediaType->setDescription('This is a document');
     $imageType = new MediaType();
     $imageType->setName('image');
     $imageType->setDescription('This is an image');
     $videoType = new MediaType();
     $videoType->setName('video');
     $videoType->setDescription('This is a video');
     $audioType = new MediaType();
     $audioType->setName('audio');
     $audioType->setDescription('This is an audio');
     $media = new Media();
     $media->setType($imageType);
     $this->media = $media;
     $media2 = new Media();
     $media2->setType($imageType);
     $this->media2 = $media2;
     $contact->addMedia($media2);
     // create file
     $file = new File();
     $file->setVersion(1);
     $file->setMedia($media);
     $file2 = new File();
     $file2->setVersion(1);
     $file2->setMedia($media2);
     // create file version
     $fileVersion = new FileVersion();
     $fileVersion->setVersion(1);
     $fileVersion->setName('photo.jpeg');
     $fileVersion->setMimeType('image/jpg');
     $fileVersion->setFile($file);
     $fileVersion->setSize(1124214);
     $fileVersion->setDownloadCounter(2);
     $fileVersion->setStorageOptions('{"segment":"1","fileName":"photo.jpeg"}');
     $file->addFileVersion($fileVersion);
     // create file version
     $fileVersion = new FileVersion();
     $fileVersion->setVersion(1);
     $fileVersion->setName('photo.jpeg');
     $fileVersion->setMimeType('image/jpg');
     $fileVersion->setFile($file2);
     $fileVersion->setSize(1124214);
     $fileVersion->setDownloadCounter(2);
     $fileVersion->setStorageOptions('{"segment":"1","fileName":"photo.jpeg"}');
     $file2->addFileVersion($fileVersion);
     $collection = new Collection();
     $this->setUpCollection($collection);
     $media->setCollection($collection);
     $media2->setCollection($collection);
     $this->em->persist($media);
     $this->em->persist($media2);
     $this->em->persist($collection);
     $this->em->persist($file);
     $this->em->persist($file2);
     $this->em->persist($videoType);
     $this->em->persist($imageType);
     $this->em->persist($audioType);
     $this->em->persist($mediaType);
 }