Class NumericEquality

java.lang.Object

org.projog.core.predicate.AbstractSingleResultPredicate

org.projog.core.predicate.builtin.compare.NumericEquality

All Implemented Interfaces:

KnowledgeBaseConsumer, PredicateFactory

public final class NumericEquality
extends AbstractSingleResultPredicate

X=:=Y - numeric equality test.

Succeeds when the number argument X is equal to the number argument Y.

Constructor Summary

Constructors

Constructor	Description
NumericEquality()

Method Summary

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

Methods inherited from class AbstractSingleResultPredicate

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

Methods inherited from class Object

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

Methods inherited from interface PredicateFactory

isAlwaysCutOnBacktrack, preprocess

Constructor Details

NumericEquality

public NumericEquality()

Method Details

evaluate

protected boolean evaluate(Term arg1,
 Term arg2)

Overrides:

evaluate in class AbstractSingleResultPredicate

compare

protected int compare(Term arg1,
 Term arg2)