org.projog.core.predicate.builtin.bool

Class Fail

java.lang.Object

org.projog.core.predicate.AbstractSingleResultPredicate

org.projog.core.predicate.builtin.bool.Fail

All Implemented Interfaces:

KnowledgeBaseConsumer, PredicateFactory

public final class Fail
extends AbstractSingleResultPredicate

fail - always fails.

The goal fail always fails.

Constructor Summary

Constructors

Constructor and Description
Fail()

Method Summary

Modifier and Type	Method and Description
boolean	evaluate()

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

Fail

public Fail()

Method Detail

evaluate

public boolean evaluate()

Overrides:

evaluate in class AbstractSingleResultPredicate