Package org.tweetyproject.arg.prob.lotteries

Class UtilityFunction

java.lang.Object

java.util.AbstractMap<Division,Double>

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,V>, AbstractMap.SimpleImmutableEntry<K,V>

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K,V>

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, newHashMap, 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.