/** Agree to subscribe */
private void confirm(Subscription sub) {
try {
ACLMessage notification = sub.getMessage().createReply();
notification.setPerformative(ACLMessage.AGREE);
sub.notify(notification); // Send message
//
System.out.println(
"Agent "
+ buildingcs.getAID().getName()
+ " sent AGREE message to the agent "
+ sub.getMessage().getSender().getName());
} catch (Exception e) {
e.printStackTrace();
}
}
/** Notify the subscriber */
private void notify(Subscriber subscriber) {
try {
Subscription subscription = subscriber.getSub();
ACLMessage notification = subscription.getMessage().createReply();
notification.setPerformative(ACLMessage.INFORM); // New message
// Create context
SendSubscriptionMessage smsg = this.buildingcs.getNotifyMessage(subscriber);
this.buildingcs.getContentManager().fillContent(notification, smsg);
subscription.notify(notification); // Send message
} catch (Exception e) {
e.printStackTrace();
}
}
/** Delete subscriber */
public boolean deregister(Subscription sub) throws FailureException {
for (Subscriber subs : subscribers) {
if (subs.getSub().equals(sub)) {
subscribers.remove(new Subscriber(subs.getSub(), subs.getType(), subs.getDate()));
}
}
//
System.out.println(
"Agent "
+ buildingcs.getAID().getName()
+ " deregistered the agent "
+ sub.getMessage().getSender().getName());
return false;
}
/** Subscriber register */
public boolean register(Subscription sub) throws RefuseException, NotUnderstoodException {
Date date = null;
SubscriptionMessageType type = null;
//
try {
// Unpack message
ContentElement ce = buildingcs.getContentManager().extractContent(sub.getMessage());
if (ce instanceof SendSubscriptionMessage) {
SendSubscriptionMessage smsg = (SendSubscriptionMessage) ce;
type = smsg.getMessage().getType(); // Subscription type
date = smsg.getMessage().getSendDate(); // Last message date
}
} catch (UngroundedException e) {
e.printStackTrace();
} catch (OntologyException e) {
e.printStackTrace();
} catch (jade.content.lang.Codec.CodecException e) {
e.printStackTrace();
}
if (type != null) {
subscribers.add(new Subscriber(sub, type, date));
this.confirm(sub);
System.out.println(
"Agent "
+ buildingcs.getAID().getName()
+ " registered the agent "
+ sub.getMessage().getSender().getName());
//
if (subscribers.size() == 1) {
buildingcs.addBehaviour(tick_behavior); // At first subscriber add tick behavior
}
}
return true;
}