public void onStart() {
if (ignoredConversations == null) {
ignoredConversations = new ConversationList(myAgent);
}
// Unless a template is explicitly set, we get messages matching the ontology, the served
// performatives.
if (template == null) {
if (servedPerformatives != null) {
template =
MessageTemplate.and(
MessageTemplate.MatchOntology(onto.getName()),
new MessageTemplate(
new MatchExpression() {
public boolean match(ACLMessage msg) {
int perf = msg.getPerformative();
for (int p : servedPerformatives) {
if (p == perf) {
return true;
}
}
return false;
}
}));
} else {
// No performative specified --> Match all
template = MessageTemplate.MatchOntology(onto.getName());
}
}
// Whatever template is used we avoid intercepting messages belonging to external conversations
template = MessageTemplate.and(template, ignoredConversations.getMessageTemplate());
// Register Ontology and Language
ContentManager cm = myAgent.getContentManager();
if (cm.lookupOntology(onto.getName()) == null) {
cm.registerOntology(onto);
}
this.codec = (codec != null ? codec : new SLCodec());
if (cm.lookupLanguage(codec.getName()) == null) {
cm.registerLanguage(codec);
}
}
/**
* Notifies this OntologyServer that a given conversation is finished and therefore it must no
* longer ignore messages belonging to it.
*
* @see ignoreConversation(String)
*/
public void conversationFinished(String convId) {
ignoredConversations.deregisterConversation(convId);
}
/**
* Makes this OntologyServer ignore all incoming messages belonging to a given conversation i.e.
* marked with the indicated conversation-id
*/
public void ignoreConversation(String convId) {
ignoredConversations.registerConversation(convId);
}