Class Tell

java.lang.Object

org.projog.core.predicate.AbstractSingleResultPredicate

org.projog.core.predicate.builtin.io.Tell

All Implemented Interfaces:

KnowledgeBaseConsumer, PredicateFactory

public final class Tell
extends AbstractSingleResultPredicate

tell(X) - opens a file and sets it as the current output stream.

If X refers to a handle, rather than a filename, then the current output stream is set to the stream represented by the handle.

Constructor Summary

Constructors

Constructor	Description
Tell()

Method Summary

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

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

Tell

public Tell()

Method Details

evaluate

protected boolean evaluate(Term source)

Overrides:

evaluate in class AbstractSingleResultPredicate