}
public boolean delete(Long[] ids, Map<String, Object> context) {
String service = (String) context.get("service");
String username = (String) context.get("username");
Owner owner = new Owner();
owner.setService(service);
owner.setUsername(username);
if (service == null || service.length() == 0
|| username == null || username.length() == 0){
context.put("message", getMessage("NoSuchOperationData"));
return false;
}