/**
* /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;
}
// 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);
}
/**
* 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);
}
// 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);
}
}
}
// 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);
}
public Record(ClassicalTermLink link, long time)
{
this.link = link;
this.time = time;
}
// 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);
}
