*/
protected String appendOrderToExample(T example) {
String clause="";
if (example instanceof Sortable) {
Sortable criteria = (Sortable) example;
//for search list ordering
if(!StringUtil.isEmpty(criteria.getOrderOption()) && !StringUtil.isEmpty(criteria.getOrderFlow())){
clause="ORDER BY "+ criteria.getOrderOption() +" "+ criteria.getOrderFlow() +"";
}
}
return clause;
}