Gaufrette\File::setSize PHP 메소드

    public function setSize($size)
    {
        $this->size = $size;
    }

 /**
  * {@inheritDoc}
  */
 public function createFile($key, Filesystem $filesystem)
 {
     $file = new File($key, $filesystem);
     $stat = $this->sftp->stat($this->computePath($key));
     if (isset($stat['size'])) {
         $file->setSize($stat['size']);
     }
     return $file;
 }