Examples with Term nars.language.Term used on opensource projects

Example 61 with Term

use of nars.language.Term in project opennars by opennars.

the class Narsese method parseStatement.

/**
 * Parse a String to create a Statement.
 *
 * @return the Statement generated from the String
 * @param s0 The addInput String to be parsed
 * @throws nars.io.StringParser.InvalidInputException the String cannot be
 * parsed into a Term
 */
private Statement parseStatement(String s0) throws InvalidInputException {
    String s = s0.trim();
    int i = topRelation(s);
    if (i < 0) {
        throw new InvalidInputException("invalid statement: topRelation(s) < 0");
    }
    String relation = s.substring(i, i + 3);
    Term subject = parseTerm(s.substring(0, i));
    Term predicate = parseTerm(s.substring(i + 3));
    Statement t = make(getRelation(relation), subject, predicate, false, 0);
    if (t == null) {
        throw new InvalidInputException("invalid statement: statement unable to create: " + getOperator(relation) + " " + subject + " " + predicate);
    }
    return t;
}

Example 62 with Term

use of nars.language.Term in project opennars by opennars.

the class TaskLink method novel.

public boolean novel(final TermLink termLink, final long currentTime, boolean transformTask) {
    final Term bTerm = termLink.target;
    if (!transformTask && bTerm.equals(targetTask.sentence.term)) {
        return false;
    }
    TermLink linkKey = termLink.name();
    int next, i;
    // iterating the FIFO deque from oldest (first) to newest (last)
    Iterator<Recording> ir = records.iterator();
    while (ir.hasNext()) {
        Recording r = ir.next();
        if (linkKey.equals(r.link)) {
            if (currentTime < r.getTime() + 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
                r.setTime(currentTime);
                ir.remove();
                records.addLast(r);
                return true;
            }
        }
    }
    // keep recordedLinks queue a maximum finite size
    while (records.size() + 1 >= recordLength) records.removeFirst();
    // add knowledge reference to recordedLinks
    records.addLast(new Recording(linkKey, currentTime));
    return true;
}

Example 63 with Term

use of nars.language.Term in project opennars by opennars.

the class TermLink method equals.

@Override
public boolean equals(final Object obj) {
    if (obj == this)
        return true;
    if (hashCode() != obj.hashCode())
        return false;
    if (obj instanceof TermLink) {
        TermLink t = (TermLink) obj;
        if (type != t.type)
            return false;
        if (!Arrays.equals(t.index, index))
            return false;
        final Term tt = t.target;
        if (target == null) {
            if (tt != null)
                return false;
        } else if (tt == null) {
            if (target != null)
                return false;
        } else if (!target.equals(t.target))
            return false;
        return true;
    }
    return false;
}

Example 64 with Term

use of nars.language.Term in project opennars by opennars.

the class ImplicationGraph method add.

@Override
public boolean add(Sentence s, CompoundTerm ct, Item c) {
    if (ct instanceof Statement) {
        Statement st = (Statement) ct;
        Term subject = st.getSubject();
        Term predicate = st.getPredicate();
        addVertex(subject);
        addVertex(predicate);
        System.out.println(subject.toString().trim() + " " + predicate.toString().trim() + " " + s.truth.getExpectation() + s.truth.getFrequency() + " " + s.truth.getConfidence() + " " + " Implication");
        addEdge(subject, predicate, s);
        return true;
    }
    return false;
}

Example 65 with Term

use of nars.language.Term in project opennars by opennars.

the class SentenceGraph method remove.

public boolean remove(final E s) {
    if (!containsEdge(s))
        return false;
    Term from = getEdgeSource(s);
    Term to = getEdgeTarget(s);
    boolean r = removeEdge(s);
    ensureTermConnected(from);
    ensureTermConnected(to);
    if (r)
        event.emit(GraphChange.class, null, s);
    return true;
}