return sender+SEPARATOR+receiver;
}
@Transactional
public void addMessage(SendMessage message, String sender){
Message bean = new Message();
bean.setUserIdSenderUserIdReceiver(buildUserIdSenderUserIdReceiver(sender, message.getEmail()));
bean.setDate(new Date());
bean.setBody(message.getMessage());
model.persist(bean);
log.info("Saving "+bean);
}