org.projog.core.predicate.builtin.io

Class CurrentInput

java.lang.Object

org.projog.core.predicate.AbstractSingleResultPredicate

org.projog.core.predicate.builtin.io.CurrentInput

All Implemented Interfaces:

KnowledgeBaseConsumer, PredicateFactory

public final class CurrentInput
extends AbstractSingleResultPredicate

current_input(X) - match a term to the current input stream.

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

Constructor Summary

Constructors

Constructor and Description
CurrentInput()

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

CurrentInput

public CurrentInput()

Method Detail

evaluate

protected boolean evaluate(Term argument)

Overrides:

evaluate in class AbstractSingleResultPredicate