org.projog.core.predicate.builtin.compare

Class NumericLessThanOrEqual

java.lang.Object

org.projog.core.predicate.AbstractSingleResultPredicate

org.projog.core.predicate.builtin.compare.NumericLessThanOrEqual

All Implemented Interfaces:

KnowledgeBaseConsumer, PredicateFactory

public final class NumericLessThanOrEqual
extends AbstractSingleResultPredicate

X=<Y - numeric "less than or equal" test.

Succeeds when the number argument X is less than or equal to the number argument Y.

Constructor Summary

Constructors

Constructor and Description
NumericLessThanOrEqual()

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

NumericLessThanOrEqual

public NumericLessThanOrEqual()

Method Detail

evaluate

protected boolean evaluate(Term arg1,
                           Term arg2)

Overrides:

evaluate in class AbstractSingleResultPredicate

compare

protected int compare(Term arg1,
                      Term arg2)