org.projog.core.predicate.builtin.compound

Class Limit

java.lang.Object

org.projog.core.predicate.AbstractPredicateFactory

org.projog.core.predicate.builtin.compound.Limit

All Implemented Interfaces:

KnowledgeBaseConsumer, PredicateFactory, PreprocessablePredicateFactory

public final class Limit
extends AbstractPredicateFactory
implements PreprocessablePredicateFactory

limit(N, X) - calls the goal represented by a term a maximum number of times.

Evaluates the goal represented by X for a maximum of N attempts.

Constructor Summary

Constructors

Constructor and Description
Limit()

Method Summary

Modifier and Type	Method and Description
Predicate	getPredicate(Term maxAttempts, Term goal)
PredicateFactory	preprocess(Term term)

Methods inherited from class org.projog.core.predicate.AbstractPredicateFactory

getArithmeticOperators, getFileHandles, getKnowledgeBase, getOperands, getPredicate, getPredicate, getPredicate, getPredicate, 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

getPredicate, isAlwaysCutOnBacktrack, isRetryable

Constructor Detail

Limit

public Limit()

Method Detail

getPredicate

public Predicate getPredicate(Term maxAttempts,
                              Term goal)

Overrides:

getPredicate in class AbstractPredicateFactory

preprocess

public PredicateFactory preprocess(Term term)

Specified by:

preprocess in interface PreprocessablePredicateFactory