Examples with Task nars.entity.Task used on opensource projects

Example 76 with Task

use of nars.entity.Task in project opennars by opennars.

the class BudgetFunctions method revise.

/**
 * Evaluate the quality of a revision, then de-prioritize the premises
 *
 * @param tTruth The truth value of the judgment in the task
 * @param bTruth The truth value of the belief
 * @param truth The truth value of the conclusion of revision
 * @return The budget for the new task
 */
static BudgetValue revise(final TruthValue tTruth, final TruthValue bTruth, final TruthValue truth, final boolean feedbackToLinks, final nars.control.DerivationContext nal) {
    final float difT = truth.getExpDifAbs(tTruth);
    final Task task = nal.getCurrentTask();
    task.decPriority(1 - difT);
    task.decDurability(1 - difT);
    if (feedbackToLinks) {
        TaskLink tLink = nal.getCurrentTaskLink();
        tLink.decPriority(1 - difT);
        tLink.decDurability(1 - difT);
        TermLink bLink = nal.getCurrentBeliefLink();
        final float difB = truth.getExpDifAbs(bTruth);
        bLink.decPriority(1 - difB);
        bLink.decDurability(1 - difB);
    }
    float dif = truth.getConfidence() - max(tTruth.getConfidence(), bTruth.getConfidence());
    float priority = or(dif, task.getPriority());
    float durability = aveAri(dif, task.getDurability());
    float quality = truthToQuality(truth);
    return new BudgetValue(priority, durability, quality);
}

Example 77 with Task

use of nars.entity.Task in project opennars by opennars.

the class Evaluate method execute.

/**
 * To create a quest with a given statement
 * @param args Arguments, a Statement followed by an optional tense
 * @param memory The memory in which the operation is executed
 * @return Immediate results as Tasks
 */
@Override
protected ArrayList<Task> execute(Operation operation, Term[] args, Memory memory) {
    Term content = args[1];
    Sentence sentence = new Sentence(content, Symbols.QUEST_MARK, null, new Stamp(memory));
    BudgetValue budget = new BudgetValue(Parameters.DEFAULT_QUEST_PRIORITY, Parameters.DEFAULT_QUESTION_DURABILITY, 1);
    return Lists.newArrayList(new Task(sentence, budget, true));
}

Example 78 with Task

use of nars.entity.Task in project opennars by opennars.

the class Feel method feeling.

/**
 * To get the current value of an internal sensor
 *
 * @param value The value to be checked, in [0, 1]
 * @param memory The memory in which the operation is executed
 * @return Immediate results as Tasks
 */
protected ArrayList<Task> feeling(float value, Memory memory) {
    Stamp stamp = new Stamp(memory, Tense.Present);
    TruthValue truth = new TruthValue(value, Parameters.DEFAULT_JUDGMENT_CONFIDENCE);
    Term predicate = new SetInt(feelingTerm);
    Term content = Inheritance.make(selfSubject, predicate);
    Sentence sentence = new Sentence(content, Symbols.JUDGMENT_MARK, truth, stamp);
    float quality = BudgetFunctions.truthToQuality(truth);
    BudgetValue budget = new BudgetValue(Parameters.DEFAULT_JUDGMENT_PRIORITY, Parameters.DEFAULT_JUDGMENT_DURABILITY, quality);
    return Lists.newArrayList(new Task(sentence, budget, true));
}