UtilityFunction

java.lang.Object

java.util.AbstractMap<K,V>

java.util.HashMap<Division,Double>

org.tweetyproject.arg.prob.lotteries.UtilityFunction

All Implemented Interfaces:: Serializable, Cloneable, Map<Division,Double>

public class UtilityFunction extends HashMap<Division,Double>

A utility function that maps divisions to utilities

Author:

Matthias Thimm

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.util.AbstractMap
AbstractMap.SimpleEntry<K extends Object,V extends Object>, AbstractMap.SimpleImmutableEntry<K extends Object,V extends Object>

Nested classes/interfaces inherited from interface java.util.Map
Map.Entry<K extends Object,V extends Object>
Constructor Summary

Constructors

Constructor

Description

UtilityFunction()

Creates a new utility function.
Method Summary

Modifier and Type

Method

Description

Double

getExpectedUtility(ArgumentationLottery lottery)

Returns the expected utility of the given lottery.

Double

getUtility(DungTheory theory, Semantics semantics)

Gets the utility of the given theory wrt.

Methods inherited from class java.util.HashMap
clear, clone, compute, computeIfAbsent, computeIfPresent, containsKey, containsValue, entrySet, forEach, get, getOrDefault, isEmpty, keySet, merge, put, putAll, putIfAbsent, remove, remove, replace, replace, replaceAll, size, values

Methods inherited from class java.util.AbstractMap
equals, hashCode, toString

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

Methods inherited from interface java.util.Map
equals, hashCode

Constructor Details
- UtilityFunction
  
  public UtilityFunction()
  
  Creates a new utility function.
Method Details
- getExpectedUtility
  
  public Double getExpectedUtility(ArgumentationLottery lottery)
  
  Returns the expected utility of the given lottery.
  
  Parameters:
  
  lottery - some lottery
  
  Returns:
  
  the expected utility of the given lottery.
- getUtility
  
  public Double getUtility(DungTheory theory, Semantics semantics)
  
  Gets the utility of the given theory wrt. the given semantics.
  
  Parameters:
  
  theory - some AAF
  
  semantics - some semantics
  
  Returns:
  
  the utility of the theory wrt. the given semantics.