org.projog.core.predicate.builtin.list

Class Sort

java.lang.Object

org.projog.core.predicate.AbstractSingleResultPredicate

org.projog.core.predicate.builtin.list.Sort

All Implemented Interfaces:

KnowledgeBaseConsumer, PredicateFactory

public final class Sort
extends AbstractSingleResultPredicate

msort(X,Y) - sorts a list.

Attempts to unify Y with a sorted version of the list represented by X.

Note that, unlike sort/2, duplicates are not removed.

Constructor Summary

Constructors

Constructor and Description
Sort()

Method Summary

Modifier and Type	Method and Description
protected boolean	evaluate(Term unsorted, Term sorted)

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

Sort

public Sort()

Method Detail

evaluate

protected boolean evaluate(Term unsorted,
                           Term sorted)

Overrides:

evaluate in class AbstractSingleResultPredicate