org.projog.core.predicate.builtin.list

Class ExtremumList

java.lang.Object

org.projog.core.predicate.AbstractSingleResultPredicate

org.projog.core.predicate.builtin.list.ExtremumList

All Implemented Interfaces:

KnowledgeBaseConsumer, PredicateFactory

public final class ExtremumList
extends AbstractSingleResultPredicate

min_list / max_list

• min_list(Min, List) - True if Min is the smallest number in List. Fails if List is empty.
• max_list(Max, List) - True if Max is the largest number in List. Fails if List is empty.

Method Summary

Modifier and Type	Method and Description
protected boolean	evaluate(Term input, Term output)
static ExtremumList	maxList()
static ExtremumList	minList()

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

Method Detail

minList

public static ExtremumList minList()

maxList

public static ExtremumList maxList()

evaluate

protected boolean evaluate(Term input,
                           Term output)

Overrides:

evaluate in class AbstractSingleResultPredicate