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)

private void

removeDuplicates(List<Term> elements)

Methods inherited from class AbstractSingleResultPredicate
evaluate, 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

Constructor Details
- SortAsSet
  
  public SortAsSet()
Method Details
- evaluate
  
  protected boolean evaluate(Term unsorted, Term sorted)
  
  Overrides:
  
  evaluate in class AbstractSingleResultPredicate
- removeDuplicates
  
  private void removeDuplicates(List<Term> elements)