public void execForAbonent(Abonent abonent) {
Queue<Msg> messageQueue = messages.get(abonent.getAddress());
while (!messageQueue.isEmpty()) {
Msg message = messageQueue.poll();
message.exec(abonent);
}
}
public void sendMessage(Msg message) {
Queue<Msg> messageQueue = messages.get(message.getTo());
messageQueue.add(message);
}