Package net.sf.tweety.arg.prob.lotteries

Class UtilityFunction

  • All Implemented Interfaces:
    java.io.Serializable, java.lang.Cloneable, java.util.Map<Division,​java.lang.Double>
    public class UtilityFunction
extends java.util.HashMap<Division,​java.lang.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

        java.util.AbstractMap.SimpleEntry<K extends java.lang.Object,​V extends java.lang.Object>, java.util.AbstractMap.SimpleImmutableEntry<K extends java.lang.Object,​V extends java.lang.Object>

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

        java.util.Map.Entry<K extends java.lang.Object,​V extends java.lang.Object>

    • Constructor Summary

      Constructors 
      Constructor Description
      UtilityFunction()
      Creates a new utility function.

    • Method Summary

      Modifier and Type Method Description
      java.lang.Double getExpectedUtility​(ArgumentationLottery lottery)
      Returns the expected utility of the given lottery.
      java.lang.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 Detail

      • UtilityFunction

        public UtilityFunction()
        Creates a new utility function.

    • Method Detail

      • getExpectedUtility

        public java.lang.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 java.lang.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.