public function getRootObjects(IBaseObject $object)
 {
     /* @var $object EntryDistribution */
     $roots = array();
     $distributionProfile = DistributionProfilePeer::retrieveByPK($object->getDistributionProfileId());
     if ($distributionProfile) {
         $roots[] = $distributionProfile;
     }
     $entry = entryPeer::retrieveByPK($object->getEntryId());
     if ($entry) {
         $roots[] = $entry;
     }
     return $roots;
 }