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
  
  All Methods Instance Methods Concrete Methods
  Modifier and Type Method Description
  
  protected boolean evaluate(Term arg)
  - 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
  - SetOutput
```
public SetOutput()
```
- Method Detail
  - evaluate
```
protected boolean evaluate(Term arg)
```
    Overrides:
    
    evaluate in class AbstractSingleResultPredicate