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

Example 11 with Task

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

the class Wonder method execute.

/**
 * To create a question 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.QUESTION_MARK, null, new Stamp(memory));
    BudgetValue budget = new BudgetValue(Parameters.DEFAULT_QUESTION_PRIORITY, Parameters.DEFAULT_QUESTION_DURABILITY, 1);
    return Lists.newArrayList(new Task(sentence, budget, true));
}

Example 12 with Task

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

the class Abbreviation method setEnabled.

@Override
public boolean setEnabled(final NAR n, final boolean enabled) {
    final Memory memory = n.memory;
    Operator _abbreviate = memory.getOperator("^abbreviate");
    if (_abbreviate == null) {
        _abbreviate = memory.addOperator(new Abbreviate());
    }
    final Operator abbreviate = _abbreviate;
    if (obs == null) {
        obs = new EventObserver() {

            @Override
            public void event(Class event, Object[] a) {
                if (event != TaskDerive.class)
                    return;
                if ((abbreviationProbability < 1.0) && (Memory.randomNumber.nextDouble() > abbreviationProbability))
                    return;
                Task task = (Task) a[0];
                // is it complex and also important? then give it a name:
                if (canAbbreviate(task)) {
                    Operation operation = Operation.make(abbreviate, termArray(task.sentence.term), false);
                    operation.setTask(task);
                    abbreviate.call(operation, memory);
                }
            }
        };
    }
    memory.event.set(obs, enabled, TaskDerive.class);
    return true;
}

Example 13 with Task

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

the class ComplexEmotions method setEnabled.

@Override
public boolean setEnabled(NAR n, boolean enabled) {
    if (enabled) {
        Memory memory = n.memory;
        if (obs == null) {
            obs = new EventObserver() {

                @Override
                public void event(Class event, Object[] a) {
                    if (event != Events.TaskDerive.class && event != Events.InduceSucceedingEvent.class)
                        return;
                    Task future_task = (Task) a[0];
                    if (future_task.sentence.getOccurenceTime() > n.time()) {
                        Concept c = n.memory.concept(future_task.getTerm());
                        float true_expectation = 0.5f;
                        float false_expectation = 0.5f;
                        if (c != null) {
                            if (c.desires.size() > 0 && c.beliefs.size() > 0) {
                                // Fear:
                                if (future_task.sentence.truth.getExpectation() > true_expectation && c.desires.get(0).sentence.truth.getExpectation() < false_expectation) {
                                    // n.addInput("<(*,{SELF},fear) --> ^feel>. :|:");
                                    float weight = future_task.getPriority();
                                    float fear = solutionQuality(true, c.desires.get(0), future_task.sentence, memory);
                                    float newValue = fear * weight;
                                    fear += newValue * weight;
                                    fear /= 1.0f + weight;
                                    // incrase concept priority by fear value:
                                    Concept C1 = memory.concept(future_task.getTerm());
                                    if (C1 != null) {
                                        C1.incPriority(fear);
                                    }
                                    memory.emit(Answer.class, "Fear value=" + fear);
                                    System.out.println("Fear value=" + fear);
                                }
                            }
                        }
                    }
                }
            };
        }
        memory.event.set(obs, enabled, Events.InduceSucceedingEvent.class, Events.TaskDerive.class);
    }
    return true;
}

Example 14 with Task

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

the class Emotions method adjustBusy.

public void adjustBusy(float newValue, float weight, DerivationContext nal) {
    busy += newValue * weight;
    busy /= (1.0f + weight);
    if (!enabled) {
        return;
    }
    float frequency = -1;
    if (Math.abs(busy - lastbusy) > CHANGE_THRESHOLD && nal.memory.time() - last_busy_time > change_steps_demanded) {
        if (busy > Parameters.BUSY_EVENT_HIGHER_THRESHOLD && lastbusy <= Parameters.BUSY_EVENT_HIGHER_THRESHOLD) {
            frequency = 1.0f;
        }
        if (busy < Parameters.BUSY_EVENT_LOWER_THRESHOLD && lastbusy >= Parameters.BUSY_EVENT_LOWER_THRESHOLD) {
            frequency = 0.0f;
        }
        lastbusy = busy;
        last_busy_time = nal.memory.time();
    }
    if (frequency != -1) {
        // ok lets add an event now
        Term predicate = SetInt.make(new Term("busy"));
        Term subject = new Term("SELF");
        Inheritance inh = Inheritance.make(subject, predicate);
        TruthValue truth = new TruthValue(busy, Parameters.DEFAULT_JUDGMENT_CONFIDENCE);
        Sentence s = new Sentence(inh, Symbols.JUDGMENT_MARK, truth, new Stamp(nal.memory));
        s.stamp.setOccurrenceTime(nal.memory.time());
        Task t = new Task(s, new BudgetValue(Parameters.DEFAULT_JUDGMENT_PRIORITY, Parameters.DEFAULT_JUDGMENT_DURABILITY, BudgetFunctions.truthToQuality(truth)), true);
        nal.addTask(t, "emotion");
    }
}

Example 15 with Task

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

the class Emotions method adjustSatisfaction.

public void adjustSatisfaction(float newValue, float weight, DerivationContext nal) {
    // float oldV = happyValue;
    happy += newValue * weight;
    happy /= 1.0f + weight;
    if (!enabled) {
        return;
    }
    float frequency = -1;
    if (Math.abs(happy - lasthappy) > CHANGE_THRESHOLD && nal.memory.time() - last_happy_time > change_steps_demanded) {
        if (happy > Parameters.HAPPY_EVENT_HIGHER_THRESHOLD && lasthappy <= Parameters.HAPPY_EVENT_HIGHER_THRESHOLD) {
            frequency = 1.0f;
        }
        if (happy < Parameters.HAPPY_EVENT_LOWER_THRESHOLD && lasthappy >= Parameters.HAPPY_EVENT_LOWER_THRESHOLD) {
            frequency = 0.0f;
        }
        lasthappy = happy;
        last_happy_time = nal.memory.time();
    }
    if (frequency != -1) {
        // ok lets add an event now
        Term predicate = SetInt.make(new Term("satisfied"));
        Term subject = Term.SELF;
        Inheritance inh = Inheritance.make(subject, predicate);
        TruthValue truth = new TruthValue(happy, Parameters.DEFAULT_JUDGMENT_CONFIDENCE);
        Sentence s = new Sentence(inh, Symbols.JUDGMENT_MARK, truth, new Stamp(nal.memory));
        s.stamp.setOccurrenceTime(nal.memory.time());
        Task t = new Task(s, new BudgetValue(Parameters.DEFAULT_JUDGMENT_PRIORITY, Parameters.DEFAULT_JUDGMENT_DURABILITY, BudgetFunctions.truthToQuality(truth)), true);
        nal.addTask(t, "emotion");
    /*if(Parameters.REFLECT_META_HAPPY_GOAL) { //remind on the goal whenever happyness changes, should suffice for now
                TruthValue truth2=new TruthValue(1.0f,Parameters.DEFAULT_GOAL_CONFIDENCE);
                Sentence s2=new Sentence(inh,Symbols.GOAL_MARK,truth2,new Stamp(nal.memory));
                s2.stamp.setOccurrenceTime(nal.memory.time());
                Task t2=new Task(s2,new BudgetValue(Parameters.DEFAULT_GOAL_PRIORITY,Parameters.DEFAULT_GOAL_DURABILITY,BudgetFunctions.truthToQuality(truth2)));
                nal.addTask(t2, "metagoal");
                //this is a good candidate for innate belief for consider and remind:
                Operator consider=nal.memory.getOperator("^consider");
                Operator remind=nal.memory.getOperator("^remind");
                Term[] arg=new Term[1];
                arg[0]=inh;
                if(InternalExperience.enabled && Parameters.CONSIDER_REMIND) {
                    Operation op_consider=Operation.make(consider, arg, true);
                    Operation op_remind=Operation.make(remind, arg, true);
                    Operation[] op=new Operation[2];
                    op[0]=op_remind; //order important because usually reminding something
                    op[1]=op_consider; //means it has good chance to be considered after
                    for(Operation o : op) {
                        TruthValue truth3=new TruthValue(1.0f,Parameters.DEFAULT_JUDGMENT_CONFIDENCE);
                        Sentence s3=new Sentence(o,Symbols.JUDGMENT_MARK,truth3,new Stamp(nal.memory));
                        s3.stamp.setOccurrenceTime(nal.memory.time());

                        //INTERNAL_EXPERIENCE_DURABILITY_MUL
                        BudgetValue budget=new BudgetValue(Parameters.DEFAULT_JUDGMENT_PRIORITY,Parameters.DEFAULT_JUDGMENT_DURABILITY,BudgetFunctions.truthToQuality(truth3));
                        budget.setPriority(budget.getPriority()*InternalExperience.INTERNAL_EXPERIENCE_PRIORITY_MUL);
                        budget.setDurability(budget.getPriority()*InternalExperience.INTERNAL_EXPERIENCE_DURABILITY_MUL);
                        Task t3=new Task(s3,budget);
                        nal.addTask(t3, "internal experience for consider and remind");
                    }
                }
            }*/
    }
// if (Math.abs(oldV - happyValue) > 0.1) {
// Record.append("HAPPY: " + (int) (oldV*10.0) + " to " + (int) (happyValue*10.0) + "\n");
}