Ejemplo n.º 1
0
        /**
         * /param t The target Task
         * /param template The TermLink template
         * /param budget The budget
         */
        public ClassicalTaskLink(ClassicalTask t, ClassicalTermLink template, ClassicalBudgetValue budget, uint recordLength) : base(budget)
        {
            this.type =
                template == null ?
                ClassicalTermLink.EnumType.SELF :
                template.type;
            this.index =
                template == null ?
                null :
                template.index;

            this.targetTask = t;

            this.recordLength = recordLength;
        }
Ejemplo n.º 2
0
        // see https://github.com/opennars/opennars/blob/df5878a54a456c9a692004ae770d4613d31a757d/nars_core/nars/entity/TaskLink.java#L154

        /**
         * To check whether a TaskLink should use a TermLink, return false if they interacted recently
         * <p>
         * called in TermLinkBag only
         *
         * /param termLink The TermLink to be checked
         * /param currentTime The current time
         * /return Whether they are novel to each other
         */
        public bool checkNovel(ClassicalTermLink termLink, long currentTime)
        {
            TermOrCompoundTermOrVariableReferer bTerm = termLink.target;

            if (TermOrCompoundTermOrVariableReferer.isSameWithId(bTerm, targetTask.sentence.term))
            {
                return(false);
            }
            ClassicalTermLink linkKey = termLink.name;

            // iterating the FIFO deque from oldest (first) to newest (last)
            for (int i = 0; i < records.Count; i++)
            {
                Record iRecord = records[i];
                if (linkKey.checkEqual(iRecord.link))
                {
                    if (currentTime < iRecord.time + Parameters.NOVELTY_HORIZON)
                    {
                        // too recent, not novel
                        return(false);
                    }
                    else
                    {
                        // happened long enough ago that we have forgotten it somewhat, making it seem more novel
                        iRecord.time = currentTime;

                        records.RemoveAt(i);
                        i--;

                        records.Add(iRecord);
                        return(true);
                    }
                }
            }

            // keep recordedLinks queue a maximum finite size
            while (records.Count + 1 >= recordLength)
            {
                records.RemoveAt(0); // remove first
            }

            // add knowledge reference to recordedLinks
            records.Add(new Record(linkKey, currentTime));

            return(true);
        }
Ejemplo n.º 3
0
        /**
         * Insert a TermLink into the TermLink bag
         * <p>
         * called from buildTermLinks only
         *
         * /param termLink The termLink to be inserted
         */
        public bool insertTermLink(ClassicalTermLink termLink)
        {
            ClassicalTermLink removed = termLinks.putIn(termLink);

            if (removed != null)
            {
                if (removed == termLink)
                {
                    //OpenNARS memory.emit(TermLinkRemove.class, termLink, this);
                    return(false);
                }
                else
                {
                    //OpenNARS memory.emit(TermLinkRemove.class, removed, this);
                }
            }
            //OpenNARS memory.emit(TermLinkAdd.class, termLink, this);
            return(true);
        }
Ejemplo n.º 4
0
        // see https://github.com/opennars/opennars/blob/4515f1d8e191a1f097859decc65153287d5979c5/nars_core/nars/entity/Concept.java#L923

        /**
         * Recursively build TermLinks between a compound and its components
         * <p>
         * called only from Memory.continuedProcess
         *
         * /param taskBudget The BudgetValue of the task
         */
        public void buildTermLinks(ClassicalBudgetValue taskBudget)
        {
            if (termLinkTemplates.Count == 0)
            {
                return;
            }

            ClassicalBudgetValue subBudget = taskBudget; // HACK // uncommented because not yet implemented, TODO     distributeAmongLinks(taskBudget, termLinkTemplates.size());

            if (!subBudget.isAboveThreshold)
            {
                return;
            }

            foreach (ClassicalTermLink template in termLinkTemplates)
            {
                if (template.type == ClassicalTermLink.EnumType.TRANSFORM)
                {
                    continue;
                }

                TermOrCompoundTermOrVariableReferer target = template.target;

                ClassicalConcept concept = memory.conceptualize(taskBudget, target);
                if (concept == null)
                {
                    continue;
                }

                // this termLink to that
                insertTermLink(ClassicalTermLink.makeFromTemplate(target, template, subBudget));

                // that termLink to this
                concept.insertTermLink(ClassicalTermLink.makeFromTemplate(term, template, subBudget));

                if (TermUtilities.isTermCompoundTerm(target) && template.type != ClassicalTermLink.EnumType.TEMPORAL)
                {
                    concept.buildTermLinks(subBudget);
                }
            }
        }
Ejemplo n.º 5
0
        // see https://github.com/opennars/opennars/blob/c3564fc6c176ceda168a9631d27a07be05faff32/nars_core/nars/entity/Concept.java#L1191

        /**
         * Replace default to prevent repeated inference, by checking TaskLink
         *
         * /param taskLink The selected TaskLink
         * /param time The current time
         * /return The selected TermLink
         */
        public ClassicalTermLink selectTermLink(ClassicalTaskLink taskLink, long time)
        {
            maintainDisappointedAnticipations();
            uint toMatch = Parameters.TERM_LINK_MAX_MATCHED;

            for (int i = 0; (i < toMatch) && (termLinks.size > 0); i++)
            {
                ClassicalTermLink termLink = termLinks.takeNext();
                if (termLink == null)
                {
                    break;
                }

                if (taskLink.checkNovel(termLink, time))
                {
                    //return, will be re-inserted in caller method when finished processing it
                    return(termLink);
                }

                returnTermLink(termLink);
            }
            return(null);
        }
Ejemplo n.º 6
0
 public Record(ClassicalTermLink link, long time)
 {
     this.link = link;
     this.time = time;
 }
Ejemplo n.º 7
0
 // see https://github.com/opennars/opennars/blob/c3564fc6c176ceda168a9631d27a07be05faff32/nars_core/nars/entity/Concept.java#L1212
 public void returnTermLink(ClassicalTermLink termLink)
 {
     termLinks.putBack(termLink, memory.convertDurationToCycles(memory.param.termLinkForgetDurations), memory);
 }