Class SortAsSet

java.lang.Object

org.projog.core.predicate.AbstractSingleResultPredicate

org.projog.core.predicate.builtin.list.SortAsSet

All Implemented Interfaces:

KnowledgeBaseConsumer, PredicateFactory

public final class SortAsSet
extends AbstractSingleResultPredicate

sort(X,Y) - sorts a list and removes duplicates.

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

Constructor Summary

Constructors

Constructor	Description
SortAsSet()

Method Summary

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

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

SortAsSet

public SortAsSet()

Method Details

evaluate

protected boolean evaluate(Term unsorted,
 Term sorted)

Overrides:

evaluate in class AbstractSingleResultPredicate