Operation

java.lang.Object
- java.lang.Enum<Operation>
- - net.sf.tweety.preferences.Operation

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<Operation>, java.lang.constant.Constable
```
public enum Operation
extends java.lang.Enum<Operation>
```
This enumeration lists the possible Operations used by dynamic preference aggregation updates

Author:

Bastian Wolf

Nested Class Summary
- Nested classes/interfaces inherited from class java.lang.Enum
  java.lang.Enum.EnumDesc<E extends java.lang.Enum<E>>

Enum Constant Summary

Enum Constants
Enum Constant Description

STRENGTHEN

WEAKEN

Method Summary

Modifier and Type	Method	Description
`static Operation`	`valueOf(java.lang.String name)`	Returns the enum constant of this type with the specified name.
`static Operation[]`	`values()`	Returns an array containing the constants of this enum type, in the order they are declared.

Methods inherited from class java.lang.Enum
compareTo, describeConstable, equals, getDeclaringClass, hashCode, name, ordinal, toString, valueOf

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

- Enum Constant Detail
  - WEAKEN
```
public static final Operation WEAKEN
```
  - STRENGTHEN
```
public static final Operation STRENGTHEN
```
- Method Detail
  - values
```
public static Operation[] values()
```
    Returns an array containing the constants of this enum type, in the order they are declared.
    
    Returns:
    
    an array containing the constants of this enum type, in the order they are declared
  - valueOf
```
public static Operation valueOf(java.lang.String name)
```
    Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
    
    Parameters:
    
    name - the name of the enum constant to be returned.
    
    Returns:
    
    the enum constant with the specified name
    
    Throws:
    
    java.lang.IllegalArgumentException - if this enum type has no constant with the specified name
    
    java.lang.NullPointerException - if the argument is null