IsAtom

java.lang.Object

org.projog.core.predicate.AbstractSingleResultPredicate

org.projog.core.predicate.builtin.classify.IsAtom

All Implemented Interfaces:: KnowledgeBaseConsumer, PredicateFactory

public final class IsAtom extends AbstractSingleResultPredicate

atom(X) - checks that a term is an atom.

atom(X) succeeds if X currently stands for an atom.

Constructor Summary

Constructors

Constructor

Description

IsAtom()
Method Summary

Modifier and Type

Method

Description

protected boolean

evaluate(Term arg)

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 Details
- IsAtom
  
  public IsAtom()
Method Details
- evaluate
  
  protected boolean evaluate(Term arg)
  
  Overrides:
  
  evaluate in class AbstractSingleResultPredicate