org.projog.core.predicate.builtin.io

Class See

java.lang.Object

org.projog.core.predicate.AbstractSingleResultPredicate

org.projog.core.predicate.builtin.io.See

All Implemented Interfaces:

KnowledgeBaseConsumer, PredicateFactory

public final class See
extends AbstractSingleResultPredicate

see(X) - opens a file and sets it as the current input stream.

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

Constructor Summary

Constructors

Constructor and Description
See()

Method Summary

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

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

See

public See()

Method Detail

evaluate

protected boolean evaluate(Term source)

Overrides:

evaluate in class AbstractSingleResultPredicate