public void setUpdate(boolean online) {
for(Friend friend : friends.values()) {
if (H4J.getNetwork().getSessionManager().getOnlineStatusById(friend.getId())) { //if online
Session channel = H4J.getNetwork().getSessionManager().getSessionById(friend.getId());
channel.respond(UpdateFriendStateMessageComposer.compose(online, this.user));
}
}
}
public boolean friendshipExists(int id) {