// does the emotion part of the trySolution function
private static void trySolution_emotion(ClassicalSentence belief, ClassicalTask task, DerivationContext ctx)
{
ClassicalSentence problem = task.sentence;
Memory memory = ctx.memory;
ClassicalSentence oldBest = task.bestSolution;
if (oldBest != null)
{
TemporalRules.EnumRateByConfidence rateByConfidence =
oldBest.term == belief.term ? TemporalRules.EnumRateByConfidence.YES : TemporalRules.EnumRateByConfidence.NO;
float newQ = TemporalRules.solutionQuality(rateByConfidence, task, belief, memory, ctx.compoundAndTermContext);
float oldQ = TemporalRules.solutionQuality(rateByConfidence, task, oldBest, memory, ctx.compoundAndTermContext);
if (oldQ >= newQ)
{
if (problem.isGoal)
{
memory.emotion.adjustHappy(oldQ, task.budget.priority, ctx);
}
//System.out.println("Unsolved: Solution of lesser quality");
//java memory.emit(Unsolved.class, task, belief, "Lower quality");
return;
}
}
}
// TODO< rename to evaluateQualityOfBeliefAsASolutionToProblemAndReward and refactor into functions >
// https://github.com/opennars/opennars/blob/master/nars_core/nars/inference/TemporalRules.java#L537
/* ----- Functions used both in direct and indirect processing of tasks ----- */
/**
* Evaluate the quality of a belief as a solution to a problem, then reward
* the belief and de-prioritize the problem
*
* \param problem The problem (question or goal) to be solved
* \param solution The belief as solution
* \param task The task to be immediately processed, or null for continued process
* \return The budget for the new task which is the belief activated, if
* necessary
*/
public static ClassicalBudgetValue solutionEval(
ClassicalTask problem,
ClassicalSentence solution,
ClassicalTask task,
DerivationContext ctx
)
{
ClassicalBudgetValue budget = null;
bool feedbackToLinks = false;
if (task == null)
{
task = ctx.currentTask;
feedbackToLinks = true;
}
bool taskSentenceIsjudgment = task.sentence.isJudgment;
EnumRateByConfidence rateByConfidence = problem.sentence.term.hasVarQuery() ? EnumRateByConfidence.YES : EnumRateByConfidence.NO; // here its whether its a what or where question for budget adjustment
float quality = TemporalRules.solutionQuality(rateByConfidence, problem, solution, ctx.memory, ctx.compoundAndTermContext);
if (problem.sentence.isGoal)
{
ctx.memory.emotion.adjustHappy(quality, task.budget.priority, ctx);
}
if (taskSentenceIsjudgment)
{
task.budget.incPriority(quality);
}
else
{
float taskPriority = task.budget.priority; // +goal satisfication is a matter of degree - https://groups.google.com/forum/#!topic/open-nars/ZfCM416Dx1M
budget = new ClassicalBudgetValue(UtilityFunctions.or(taskPriority, quality), task.budget.durability, BudgetFunctions.truthToQuality(solution.truth));
task.budget.priority = Math.Min(1 - quality, taskPriority);
}
// TODO< implement links >
/* LINKS commented because links are not implemented
* if (feedbackToLinks) {
* TaskLink tLink = ctx.currentTaskLink;
* tLink.setPriority(Math.Min(1 - quality, tLink.getPriority()));
* TermLink bLink = ctx.currentBeliefLink;
* bLink.incPriority(quality);
* }*/
return(budget);
}
/**
* Check if a Sentence provide a better answer to a Question or Goal
*
* \param belief The proposed answer
* \param task The task to be processed
*/
public static bool trySolution(ClassicalSentence belief, ClassicalTask task, DerivationContext ctx, bool report, Memory memory)
{
trySolution_emotion(belief, task, ctx);
task.setBestSolution(memory, belief);
//memory.logic.SOLUTION_BEST.commit(task.getPriority());
ClassicalBudgetValue budget = TemporalRules.solutionEval(task, belief, task, ctx);
if (budget == null || !budget.isAboveThreshold)
{
//memory.emit(Unsolved.class, task, belief, "Insufficient budget");
return(false);
}
// Solution was Activated
// report
if (task.sentence.isQuestion || task.sentence.isQuest)
{
if (task.isInput && report) //only show input tasks as solutions
//memory.emit(Answer.class, task, belief);
{
}
else
{
//memory.emit(Output.class, task, belief); //solution to quests and questions can be always showed
}
}
else
{
//memory.emit(Output.class, task, belief); //goal things only show silence related
}
/*memory.output(task);
*
* //only questions and quests get here because else output is spammed
* if(task.sentence.isQuestion() || task.sentence.isQuest()) {
* memory.emit(Solved.class, task, belief);
* } else {
* memory.emit(Output.class, task, belief);
* }*/
ctx.addTask(ctx.currentTask, budget, belief, task.getParentBelief());
return(true);
}