PhdThesisSubjectOrderBean beanToMoveDown = candidacyBean.getThesisSubjectBean(order - 1);
if (beanToMoveDown != null) {
beanToMoveUp.decreaseOrder();
beanToMoveDown.increaseOrder();
candidacyBean.sortThesisSubjectBeans();
}
request.setAttribute("candidacyBean", candidacyBean);
RenderUtils.invalidateViewState();