/**
  * @param int $summit_id
  * @param array $data
  * @return ISummitType
  */
 public function buildSummitType(array $data, $summit_id)
 {
     $summit_type = new SummitType();
     $summit_type->setTitle(trim($data['title']));
     $summit_type->setDescription(trim($data['description']));
     $summit_type->setAudience(trim($data['audience']));
     $summit_type->setStartDate(trim($data['start_date']));
     $summit_type->setEndDate(trim($data['end_date']));
     $summit_type->setSummitId(trim($summit_id));
     return $summit_type;
 }