Literal

java.lang.Object
- weka.associations.tertius.Literal

All Implemented Interfaces:

java.io.Serializable, RevisionHandler

Direct Known Subclasses:

AttributeValueLiteral
```
public abstract class Literal
extends java.lang.Object
implements java.io.Serializable, RevisionHandler
```
Version:

$Revision: 1.5 $

Author:

Peter A. Flach, Nicolas Lachiche

See Also:

Serialized Form

Field Summary

Fields
Modifier and Type Field Description

static int NEG

static int POS

Constructor Summary

Constructors
Constructor Description

Literal(Predicate predicate, int sign, int missing)

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	Description
`Literal`	`getNegation()`
`Predicate`	`getPredicate()`
`abstract boolean`	`negationSatisfies(Instance instance)`
`boolean`	`negative()`
`boolean`	`positive()`
`abstract boolean`	`satisfies(Instance instance)`
`void`	`setNegation(Literal negation)`
`abstract java.lang.String`	`toString()`

Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface weka.core.RevisionHandler
getRevision

Field Detail
- NEG
```
public static final int NEG
```
  See Also:
  
  Constant Field Values
- POS
```
public static final int POS
```
  See Also:
  
  Constant Field Values

Constructor Detail

Literal

public Literal(Predicate predicate,
               int sign,
               int missing)

Method Detail

getPredicate
```
public Predicate getPredicate()
```

getNegation
```
public Literal getNegation()
```

setNegation

public void setNegation(Literal negation)

positive
```
public boolean positive()
```

negative
```
public boolean negative()
```

satisfies

public abstract boolean satisfies(Instance instance)

negationSatisfies

public abstract boolean negationSatisfies(Instance instance)

toString
```
public abstract java.lang.String toString()
```
Overrides:

toString in class java.lang.Object