/**
* @param agentName
* @param actionName
* @param parameters
* @param unifier
* @return Maps internal Jason agent actions to camel messages
*/
public Object agentInternallyActed(
String agentName, String actionName, List<Term> parameters, Unifier unifier) {
Object actionsucceeded = true;
Exchange exchange = endpoint.createExchange();
// Agent action can only be processed by an endpoint of type "action"
if (endpoint.getUriOption().contains("action")) {
try {
List<String> paramsAsStrings = new ArrayList<String>();
for (Term t : parameters) {
paramsAsStrings.add(t.toString());
}
sendActionToCamel(agentName, actionName, paramsAsStrings, exchange, "");
} catch (Exception e) {
} finally {
// log exception if an exception occurred and was not handled
if (exchange.getException() != null) {
getExceptionHandler()
.handleException("Error processing exchange", exchange, exchange.getException());
actionsucceeded = false;
} else {
String ep = endpoint.getExchangePattern().toString();
// Just send out camel message and inform success to agent
if (ep.equals("InOnly")) actionsucceeded = true;
// Unification is applicable to InOut exchanges only. This waits for the return message
// from the exchange
else if (ep.equals("InOut")) {
if (exchange.hasOut()) {
List<String[]> mappings = getResultHeaderSplitted();
for (String[] mapping : mappings) {
int unPos = Integer.parseInt(mapping[1]);
String headerVal = mapping[0];
// ArrayList<String> l = (ArrayList<String>)exchange.getIn().getHeader(headerVal);
// Iterator<String> it = l.iterator();
String unVal = exchange.getIn().getHeader(headerVal).toString();
try {
unifier.unifies(parameters.get(unPos), ASSyntax.parseTerm(unVal));
} catch (jason.asSyntax.parser.ParseException e) {
System.out.println(
"Error parsing result header from synchronous InOut action: " + unVal);
return false;
}
}
return true;
} else actionsucceeded = false;
}
}
}
}
return actionsucceeded;
}
ListTerm deleteFromList(int index, ListTerm l) {
ListTerm r = new ListTermImpl();
ListTerm last = r;
int i = 0;
for (Term t : l) {
if ((i++) != index) last = last.append(t.clone());
}
return r;
}
ListTerm deleteFromList(Term element, ListTerm l, Unifier un) {
Unifier bak = un;
ListTerm r = new ListTermImpl();
ListTerm last = r;
for (Term t : l) {
boolean u = un.unifies(element, t);
if (u) un = bak.clone();
else last = last.append(t.clone());
}
return r;
}
public Proposition makeGround() {
PropositionImpl ground = (PropositionImpl) this.clone();
for (Term term : ground.getTerms()) {
if (term.isVar() && !term.isGround()) {
Term t = new Atom(term.toString().toLowerCase());
jason.asSemantics.Unifier un = new jason.asSemantics.Unifier();
if (un.unifies(t, term)) {
term.apply(un);
}
}
}
return ground;
}
/**
* Implement the method in the standard class for agent doctor to call. Executes the internal
* action. It should return a Boolean or an Iterator. A true boolean return means that the IA was
* successfully executed.
*
* @param ts TransitionSystem
* @param un Unifier
* @param args Term array
* @return true or false
* @throws Exception
*/
@Override
public Object execute(TransitionSystem ts, Unifier un, Term[] args) throws Exception {
// print a message to confirm action (appear in the debug window)
ts.getAg().getLogger().info("Executing internal action 'robot.send'.");
// loop through each argument e.g. if robot.send(Hello, Robot)
// the arguments will be Hello and Robot.
// in our doctor, we only use message "start" to wake up the robot
for (Term t : args) {
// use the static comms class to send the message to the robot
comm.write(t.toString());
}
// everything ok, so return true
return true;
}
/**
* @param jasonAction
* @return Maps external Jason agent actions to camel messages
*/
public boolean agentActed(JasonAction jasonAction) {
boolean actionsucceeded = true;
Exchange exchange = endpoint.createExchange();
if (endpoint.getUriOption().contains("action")) {
try {
ActionExec action = jasonAction.getAction();
String agName = jasonAction.getAgName();
List<String> paramsAsStrings = new ArrayList<String>();
for (Term t : action.getActionTerm().getTerms()) paramsAsStrings.add(t.toString());
// extract annotations
List<Term> ann = action.getActionTerm().getAnnots();
String annots = "";
if (ann != null) annots = ann.toString(); // StringUtils.join(ann, ',');
exchange.getIn().setBody(action.getActionTerm().toString(), String.class);
sendActionToCamel(
agName, action.getActionTerm().getFunctor(), paramsAsStrings, exchange, annots);
} catch (Exception e) {
} finally {
// log exception if an exception occurred and was not handled
if (exchange.getException() != null) {
getExceptionHandler()
.handleException("Error processing exchange", exchange, exchange.getException());
actionsucceeded = false;
} else {
String ep = endpoint.getExchangePattern().toString();
// Just send out camel message and inform success to agent
if (ep.equals("InOnly")) actionsucceeded = true;
else if (ep.equals("InOut")) {
if (exchange.getOut() != null) actionsucceeded = true;
else actionsucceeded = false;
}
}
}
}
return actionsucceeded;
}
