net.sf.tweety.agents.dialogues.oppmodels

Class T3BeliefState

java.lang.Object

net.sf.tweety.agents.dialogues.oppmodels.BeliefState

net.sf.tweety.agents.dialogues.oppmodels.T3BeliefState

All Implemented Interfaces:

java.lang.Comparable<T3BeliefState>

public class T3BeliefState
extends BeliefState
implements java.lang.Comparable<T3BeliefState>

This belief state consists of a probability distribution over other opponent models with virtual arguments.

Author:

Tjitze Rienstra, Matthias Thimm

Field Summary

Fields

Modifier and Type	Field and Description
private ProbabilityFunction<T3BeliefState>	prob The probability function on opponent models
private RecognitionFunction	rec The recognition function for recognizing ordinary arguments.
private java.util.Set<Argument>	virtualArguments The set of virtual arguments assumed to exist.
private java.util.Set<Attack>	virtualAttacks The set of virtual attacks assumed to exist between virtual and ordinary arguments.

Constructor Summary

Constructors

Constructor and Description
T3BeliefState(Extension knownArguments, UtilityFunction<Argument,Extension> utilityFunction, java.util.Set<Argument> virtualArguments, java.util.Set<Attack> virtualAttacks, RecognitionFunction rec, ProbabilityFunction<T3BeliefState> prob) Creates a new T3-belief-state with the given parameters.

Method Summary

Modifier and Type	Method and Description
java.lang.Object	clone()
int	compareTo(T3BeliefState arg0)
java.lang.String	display() Pretty print of this belief state.
private java.lang.String	display(int indent) Aux method for pretty print();
protected Pair<java.lang.Double,java.util.Set<ExecutableExtension>>	doMove(ArgumentationEnvironment env, DialogueTrace<Argument,Extension> trace) Gives the set of all best next moves with their expected utility according to the belief state and the given trace.
boolean	equals(java.lang.Object obj)
int	hashCode()
T2BeliefState	projectToT2BeliefState() Returns a T2-belief state that is a projection of this belief state, i.e.
void	update(DialogueTrace<Argument,Extension> trace) Updates the current belief state accordingly to the given dialogue trace.

Methods inherited from class net.sf.tweety.agents.dialogues.oppmodels.BeliefState

getKnownArguments, getLegalMoves, getUtilityFunction, move

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Field Detail

virtualArguments

private java.util.Set<Argument> virtualArguments

The set of virtual arguments assumed to exist.

virtualAttacks

private java.util.Set<Attack> virtualAttacks

The set of virtual attacks assumed to exist between virtual and ordinary arguments.

rec

private RecognitionFunction rec

The recognition function for recognizing ordinary arguments.

prob

private ProbabilityFunction<T3BeliefState> prob

The probability function on opponent models

Constructor Detail

T3BeliefState

public T3BeliefState(Extension knownArguments,
                     UtilityFunction<Argument,Extension> utilityFunction,
                     java.util.Set<Argument> virtualArguments,
                     java.util.Set<Attack> virtualAttacks,
                     RecognitionFunction rec,
                     ProbabilityFunction<T3BeliefState> prob)

Creates a new T3-belief-state with the given parameters.

Parameters:

knownArguments - the set of arguments known by the agent.

utilityFunction - the utility function of the agent.

prob - the probability function over opponent models.

Method Detail

update

public void update(DialogueTrace<Argument,Extension> trace)

Description copied from class: BeliefState

Updates the current belief state accordingly to the given dialogue trace.

Specified by:

update in class BeliefState

Parameters:

trace - a dialogue trace

doMove

protected Pair<java.lang.Double,java.util.Set<ExecutableExtension>> doMove(ArgumentationEnvironment env,
                                                                           DialogueTrace<Argument,Extension> trace)

Description copied from class: BeliefState

Gives the set of all best next moves with their expected utility according to the belief state and the given trace.

Specified by:

doMove in class BeliefState

Parameters:

env - the environment (gives access to the current trace)

trace - the dialogue trace.

Returns:

the set of all best next moves with their expected utility

projectToT2BeliefState

public T2BeliefState projectToT2BeliefState()

Returns a T2-belief state that is a projection of this belief state, i.e. all virtual arguments and virtual attacks are removed from all nested models.

Returns:

the T2-projection of this belief state.

clone

public java.lang.Object clone()

Specified by:

clone in class BeliefState

display

public java.lang.String display()

Description copied from class: BeliefState

Pretty print of this belief state.

Specified by:

display in class BeliefState

Returns:

a string representation of this state.

display

private java.lang.String display(int indent)

Aux method for pretty print();

Parameters:

indent - indentation for display, depending on recursion depth

Returns:

a string representation of this state.

hashCode

public int hashCode()

Overrides:

hashCode in class BeliefState

equals

public boolean equals(java.lang.Object obj)

Overrides:

equals in class BeliefState

compareTo

public int compareTo(T3BeliefState arg0)

Specified by:

compareTo in interface java.lang.Comparable<T3BeliefState>