1package im.conversations.android.xmpp.model.sm;
 2
 3import com.google.common.base.Optional;
 4
 5import im.conversations.android.annotation.XmlElement;
 6import im.conversations.android.xmpp.model.StreamElement;
 7
 8@XmlElement(name = "a")
 9public class Ack extends StreamElement {
10
11    public Ack() {
12        super(Ack.class);
13    }
14
15    public Ack(final int sequence) {
16        super(Ack.class);
17        this.setAttribute("h", sequence);
18    }
19
20    public Optional<Integer> getHandled() {
21        return this.getOptionalIntAttribute("h");
22    }
23}