CountingUtilityFunction

java.lang.Object
- net.sf.tweety.agents.dialogues.structured.CountingUtilityFunction

All Implemented Interfaces:

UtilityFunction
```
public class CountingUtilityFunction
extends java.lang.Object
implements UtilityFunction
```
This class represents a counting utility function, i.e. a function that ranks a set of propositions to the number of common propositions with this function's focal set.

Author:

Matthias Thimm

- Constructor Summary
  
  Constructors
  Constructor Description
  
  CountingUtilityFunction(java.util.Collection<? extends Proposition> focalSet)
  Creates a new counting utility function for the given focal set.
- Method Summary
  
  Modifier and Type Method Description
  
  int rank(java.util.Collection<? extends Proposition> propositions)
  Rank the given collection of propositions.
  - Methods inherited from class java.lang.Object
    equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - CountingUtilityFunction
```
public CountingUtilityFunction(java.util.Collection<? extends Proposition> focalSet)
```
    Creates a new counting utility function for the given focal set.
    
    Parameters:
    
    focalSet - a collection of propositions.
- Method Detail
  - rank
```
public int rank(java.util.Collection<? extends Proposition> propositions)
```
    Description copied from interface: UtilityFunction
    
    Rank the given collection of propositions. A set S is preferred to a set T if rank(S)>rank(T).
    
    Specified by:
    
    rank in interface UtilityFunction
    
    Parameters:
    
    propositions - a collection of propositions.
    
    Returns:
    
    the rank of the given collection.