Cut

java.lang.Object
- org.projog.core.predicate.AbstractPredicateFactory
- - org.projog.core.predicate.builtin.flow.Cut

All Implemented Interfaces:

KnowledgeBaseConsumer, PredicateFactory
```
public final class Cut
extends AbstractPredicateFactory
```
! - the "cut".
The "cut", represented as a !, is a special mechanism which affects how prolog backtracks.

Nested Class Summary

Nested Classes
Modifier and Type Class Description

private static class Cut.CutPredicate

Constructor Summary

Constructors
Constructor Description

Cut()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected Predicate`	`getPredicate()`
`boolean`	`isAlwaysCutOnBacktrack()`	Will attempting to re-evaluate this implementation always result in a cut?

Methods inherited from class org.projog.core.predicate.AbstractPredicateFactory
getArithmeticOperators, getFileHandles, getKnowledgeBase, getOperands, getPredicate, getPredicate, getPredicate, getPredicate, 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

- Constructor Detail
  - Cut
```
public Cut()
```
- Method Detail
  - getPredicate
```
protected Predicate getPredicate()
```
    Overrides:
    
    getPredicate in class AbstractPredicateFactory
  - isAlwaysCutOnBacktrack
```
public boolean isAlwaysCutOnBacktrack()
```
    Description copied from interface: PredicateFactory
    
    Will attempting to re-evaluate this implementation always result in a cut?
    
    Returns:
    
    true if a cut will always be encountered when attempting to re-evaluate, false otherwise