public function execute($request)
 {
     $jsonArray = array();
     $employeeService = new EmployeeService();
     $employeeService->setEmployeeDao(new EmployeeDao());
     $supervisorList = $employeeService->getSupervisorIdListBySubordinateId($request->getGetParameter('id'));
     foreach ($supervisorList as $supervisorId) {
         $employee = $employeeService->getEmployee($supervisorId);
         $name = $employee->getFirstName() . " " . $employee->getMiddleName();
         $name = trim(trim($name) . " " . $employee->getLastName());
         $jsonArray[] = array('name' => $name, 'id' => $employee->getEmpNumber());
     }
     $jsonString = json_encode($jsonArray);
     echo $jsonString;
     exit;
 }
 /**
  *
  * @return json string 
  */
 public function getSupervisorListAsJson($subordinateId)
 {
     $jsonArray = array();
     $employeeService = new EmployeeService();
     $employeeService->setEmployeeDao(new EmployeeDao());
     $employeeList = $employeeService->getSupervisorIdListBySubordinateId($subordinateId);
     foreach ($employeeList as $employee) {
         $name = $employee->getFirstName() . " " . $employee->getMiddleName();
         $name = trim(trim($name) . " " . $employee->getLastName());
         $jsonArray[] = array('name' => $name, 'id' => $employee->getEmpNumber());
     }
     $jsonString = json_encode($jsonArray);
     return $jsonString;
 }