org.projog.core.predicate.builtin.io

Class CurrentOutput

java.lang.Object

org.projog.core.predicate.AbstractSingleResultPredicate

org.projog.core.predicate.builtin.io.CurrentOutput

All Implemented Interfaces:

KnowledgeBaseConsumer, PredicateFactory

public final class CurrentOutput
extends AbstractSingleResultPredicate

current_output(X) - match a term to the current output stream.

current_output(X) succeeds if the name of the current output stream matches with X, else fails.

Constructor Summary

Constructors

Constructor and Description
CurrentOutput()

Method Summary

Modifier and Type	Method and Description
protected boolean	evaluate(Term argument)

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

CurrentOutput

public CurrentOutput()

Method Detail

evaluate

protected boolean evaluate(Term argument)

Overrides:

evaluate in class AbstractSingleResultPredicate