/** Processes current desires and breaks them down into subgoals using the censor component. */
@Override
protected Boolean processImpl(PlanParameter pp) {
LOG.info("Run Default-Subgoal-Generation");
Agent ag = pp.getActualPlan().getAgent();
Desires des = ag.getComponent(Desires.class);
boolean reval = processPersuadeOtherAgentsDesires(pp, ag);
if (des != null) {
Set<Desire> currentDesires;
currentDesires = des.getDesiresByPredicate(GenerateOptionsOperator.prepareQueryProcessing);
for (Desire d : currentDesires) {
reval = reval || processQuery(d, pp, ag);
}
currentDesires = des.getDesiresByPredicate(GenerateOptionsOperator.prepareRevisionProcessing);
for (Desire d : currentDesires) {
reval = reval || processRevision(d, pp, ag);
}
currentDesires = des.getDesiresByPredicate(GenerateOptionsOperator.prepareUpdateProcessing);
for (Desire d : currentDesires) {
reval = reval || processUpdate(d, pp, ag);
}
currentDesires =
des.getDesiresByPredicate(GenerateOptionsOperator.prepareScriptingProcessing);
for (Desire d : currentDesires) {
reval = reval || processScripting(d, pp, ag);
}
}
return reval;
}
public boolean processScripting(Desire d, PlanParameter pp, Agent ag) {
ScriptingComponent script = ag.getComponent(ScriptingComponent.class);
Desires desires = ag.getComponent(Desires.class);
desires.remove(d);
List<Intention> intentions = script.getIntentions();
String text = intentions.toString();
int i = 0;
for (Intention intention : intentions) {
Desire des = new Desire(new FOLAtom(new Predicate("script" + i++)));
desires.add(des);
Subgoal sg = new Subgoal(ag, des);
sg.newStack(intention);
ag.getPlanComponent().addPlan(sg);
}
pp.report(
"Add the new actions '" + text + "' to the plan, chosen by desire: " + d.toString(),
ag.getPlanComponent());
return true;
}
/**
* This is a helper method: Which searches for desires starting with the prefix 'v_'. It creates
* RevisionRequests for such desires.
*
* @param pp The data-structure containing parameters for the operator.
* @param ag The agent.
* @return true if a new subgoal was created and added to the master-plan, false otherwise.
*/
protected boolean processPersuadeOtherAgentsDesires(PlanParameter pp, Agent ag) {
boolean reval = false;
Desires desComp = ag.getComponent(Desires.class);
if (desComp == null) return false;
for (Desire desire : desComp.getDesires()) {
// only add a plan if no plan for the desire exists.
if (ag.getPlanComponent().countPlansFor(desire) > 0) continue;
FolFormula formula = desire.getFormula();
String atomStr = formula.toString().trim();
boolean revisionDesire = atomStr.startsWith("r_");
boolean queryDesire = atomStr.startsWith("q_");
if (revisionDesire || queryDesire) {
int si = formula.toString().indexOf("_") + 1;
int li = formula.toString().indexOf("(", si);
if (si == -1 || li == -1) continue;
String recvName = formula.toString().substring(si, li);
si = formula.toString().indexOf("(") + 1;
li = formula.toString().lastIndexOf(")");
if (si == -1 || li == -1) continue;
String content = formula.toString().substring(si, li);
LOG.info("'{}' wants '" + recvName + "' to believe: '{}'", ag.getName(), content);
Subgoal sg = new Subgoal(ag, desire);
FolParserB parser = new FolParserB(new StringReader(content));
FOLAtom a = null;
try {
a = parser.atom(new FolSignature());
} catch (ParseException e) {
e.printStackTrace();
}
if (revisionDesire) {
sg.newStack(new Revision(ag, recvName, a));
ag.getPlanComponent().addPlan(sg);
pp.report(
"Add the new atomic action '"
+ Revision.class.getSimpleName()
+ "' to the plan, chosen by desire: "
+ desire.toString(),
ag.getPlanComponent());
} else {
sg.newStack(new Query(ag, recvName, a));
ag.getPlanComponent().addPlan(sg);
pp.report(
"Add the new atomic action '"
+ Query.class.getSimpleName()
+ "' to the plan, chosen by desire: "
+ desire.toString(),
ag.getPlanComponent());
}
reval = true;
}
}
return reval;
}