Class SetOutput

java.lang.Object

org.projog.core.predicate.AbstractSingleResultPredicate

org.projog.core.predicate.builtin.io.SetOutput

All Implemented Interfaces:

KnowledgeBaseConsumer, PredicateFactory

public final class SetOutput
extends AbstractSingleResultPredicate

set_output(X) - sets the current output.

set_output(X) sets the current output to the stream represented by X.

X will be a term returned as the third argument of open, or the atom user_input, which specifies that output is to go to the computer display.

Constructor Summary

Constructors

Constructor	Description
SetOutput()

Method Summary

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

Methods inherited from class AbstractSingleResultPredicate

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

Methods inherited from class Object

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

Methods inherited from interface PredicateFactory

isAlwaysCutOnBacktrack, preprocess

Constructor Details

SetOutput

public SetOutput()

Method Details

evaluate

protected boolean evaluate(Term arg)

Overrides:

evaluate in class AbstractSingleResultPredicate