protected function createTopic($board, $title)
 {
     $topic = new Topic();
     $topic->setBoard($board);
     $topic->setTitle($title);
     $topic->setCachedViewCount(0);
     $topic->setCachedReplyCount(0);
     $topic->setSticky(false);
     $topic->setClosed(false);
     $topic->setDeleted(false);
     return $topic;
 }
 /**
  *
  * @access public
  * @param  \CCDNForum\ForumBundle\Entity\Topic             $topic
  * @return \CCDNForum\ForumBundle\Manager\ManagerInterface
  */
 public function unsticky(Topic $topic)
 {
     $topic->setSticky(false);
     $topic->setStickiedBy(null);
     $topic->setStickiedDate(null);
     $this->persist($topic)->flush();
     return $this;
 }