org.projog.core.predicate.builtin.io

Class Read

java.lang.Object

org.projog.core.predicate.AbstractSingleResultPredicate

org.projog.core.predicate.builtin.io.Read

All Implemented Interfaces:

KnowledgeBaseConsumer, PredicateFactory

public final class Read
extends AbstractSingleResultPredicate

read(X) - reads a term from the input stream.

read(X) reads the next term from the input stream and matches it with X.

Succeeds only once.

Constructor Summary

Constructors

Constructor and Description
Read()

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

Read

public Read()

Method Detail

evaluate

protected boolean evaluate(Term argument)

Overrides:

evaluate in class AbstractSingleResultPredicate