org.projog.core.predicate.builtin.compare

Class NumericLessThan

java.lang.Object

org.projog.core.predicate.AbstractSingleResultPredicate

org.projog.core.predicate.builtin.compare.NumericLessThan

All Implemented Interfaces:

KnowledgeBaseConsumer, PredicateFactory

public final class NumericLessThan
extends AbstractSingleResultPredicate

X<Y - numeric "less than" test.

Succeeds when the number argument X is less than the number argument Y.

Constructor Summary

Constructors

Constructor and Description
NumericLessThan()

Method Summary

Modifier and Type	Method and Description
protected int	compare(Term arg1, Term arg2)
protected boolean	evaluate(Term arg1, Term arg2)

Methods inherited from class org.projog.core.predicate.AbstractSingleResultPredicate

evaluate, evaluate, evaluate, evaluate, evaluate, getArithmeticOperators, getFileHandles, getKnowledgeBase, getOperands, getPredicate, getPredicates, getProjogListeners, getSpyPoints, getTermFormatter, init, isRetryable, setKnowledgeBase

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.projog.core.predicate.PredicateFactory

isAlwaysCutOnBacktrack

Constructor Detail

NumericLessThan

public NumericLessThan()

Method Detail

evaluate

protected boolean evaluate(Term arg1,
                           Term arg2)

Overrides:

evaluate in class AbstractSingleResultPredicate

compare

protected int compare(Term arg1,
                      Term arg2)