Class Conjunction.OptimisedRetryableConjuction

java.lang.Object

org.projog.core.predicate.AbstractPredicateFactory

org.projog.core.predicate.builtin.compound.Conjunction.OptimisedRetryableConjuction

All Implemented Interfaces:

KnowledgeBaseConsumer, PredicateFactory

Enclosing class:

Conjunction

private static final class Conjunction.OptimisedRetryableConjuction
extends AbstractPredicateFactory

Field Summary

Fields

Modifier and Type	Field	Description
private final PredicateFactory	firstPredicateFactory
private final PredicateFactory	secondPredicateFactory

Constructor Summary

Constructors

Constructor	Description
OptimisedRetryableConjuction(PredicateFactory firstPredicateFactory, PredicateFactory secondPredicateFactory)

Method Summary

Modifier and Type	Method	Description
protected Predicate	getPredicate(Term arg1, Term arg2)
boolean	isAlwaysCutOnBacktrack()	Will attempting to re-evaluate this implementation always result in a cut?

Methods inherited from class AbstractPredicateFactory

getArithmeticOperators, getFileHandles, getKnowledgeBase, getOperands, getPredicate, getPredicate, getPredicate, getPredicate, getPredicate, getPredicates, getProjogListeners, getSpyPoints, getTermFormatter, init, isRetryable, setKnowledgeBase

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

firstPredicateFactory

private final PredicateFactory firstPredicateFactory

secondPredicateFactory

private final PredicateFactory secondPredicateFactory

Constructor Details

OptimisedRetryableConjuction

OptimisedRetryableConjuction(PredicateFactory firstPredicateFactory,
 PredicateFactory secondPredicateFactory)

Method Details

getPredicate

protected Predicate getPredicate(Term arg1,
 Term arg2)

Overrides:

getPredicate in class AbstractPredicateFactory

isAlwaysCutOnBacktrack

public boolean isAlwaysCutOnBacktrack()

Description copied from interface: PredicateFactory

Will attempting to re-evaluate this implementation always result in a cut?

Returns:

true if a cut will always be encountered when attempting to re-evaluate, false otherwise