Package net.sf.tweety.agents.dialogues.oppmodels

Class T2BeliefState

java.lang.Object

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

net.sf.tweety.agents.dialogues.oppmodels.T2BeliefState

All Implemented Interfaces:

Comparable<T2BeliefState>

public class T2BeliefState
extends BeliefState
implements Comparable<T2BeliefState>

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

Author:

Tjitze Rienstra, Matthias Thimm

Constructor Summary

Constructors

Constructor	Description
T2BeliefState(net.sf.tweety.arg.dung.semantics.Extension knownArguments, UtilityFunction<net.sf.tweety.arg.dung.syntax.Argument,net.sf.tweety.arg.dung.semantics.Extension> utilityFunction)	Creates a new T2-belief-state with the given parameters and without nesting.
T2BeliefState(net.sf.tweety.arg.dung.semantics.Extension knownArguments, UtilityFunction<net.sf.tweety.arg.dung.syntax.Argument,net.sf.tweety.arg.dung.semantics.Extension> utilityFunction, net.sf.tweety.math.probability.ProbabilityFunction<T2BeliefState> prob)	Creates a new T2-belief-state with the given parameters.

Method Summary

Modifier and Type	Method	Description
Object	clone()
int	compareTo(T2BeliefState arg0)
String	display()	Pretty print of this belief state.
protected net.sf.tweety.commons.util.Pair<Double,Set<ExecutableExtension>>	doMove(ArgumentationEnvironment env, DialogueTrace<net.sf.tweety.arg.dung.syntax.Argument,net.sf.tweety.arg.dung.semantics.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(Object obj)
int	hashCode()
T1BeliefState	sampleT1BeliefState()	Returns a T1-belief state that is a projection of this belief state, i.e.
String	toString()
void	update(DialogueTrace<net.sf.tweety.arg.dung.syntax.Argument,net.sf.tweety.arg.dung.semantics.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, wait, wait, wait

Constructor Detail

T2BeliefState

public T2BeliefState(net.sf.tweety.arg.dung.semantics.Extension knownArguments,
                     UtilityFunction<net.sf.tweety.arg.dung.syntax.Argument,net.sf.tweety.arg.dung.semantics.Extension> utilityFunction,
                     net.sf.tweety.math.probability.ProbabilityFunction<T2BeliefState> prob)

Creates a new T2-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.

T2BeliefState

public T2BeliefState(net.sf.tweety.arg.dung.semantics.Extension knownArguments,
                     UtilityFunction<net.sf.tweety.arg.dung.syntax.Argument,net.sf.tweety.arg.dung.semantics.Extension> utilityFunction)

Creates a new T2-belief-state with the given parameters and without nesting.

Parameters:

knownArguments - the set of arguments known by the agent.

utilityFunction - the utility function of the agent.

Method Detail

update

public void update(DialogueTrace<net.sf.tweety.arg.dung.syntax.Argument,net.sf.tweety.arg.dung.semantics.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

sampleT1BeliefState

public T1BeliefState sampleT1BeliefState()

Returns a T1-belief state that is a projection of this belief state, i.e. in every nested model one substate is chose randomly depending on its probability

Returns:

a T1-projection of this belief state.

doMove

protected net.sf.tweety.commons.util.Pair<Double,Set<ExecutableExtension>> doMove(ArgumentationEnvironment env,
                                                                                        DialogueTrace<net.sf.tweety.arg.dung.syntax.Argument,net.sf.tweety.arg.dung.semantics.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

display

public 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.

clone

public Object clone()

Specified by:

clone in class BeliefState

toString

public String toString()

Overrides:

toString in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class BeliefState

equals

public boolean equals(Object obj)

Overrides:

equals in class BeliefState

compareTo

public int compareTo(T2BeliefState arg0)

Specified by:

compareTo in interface Comparable<T2BeliefState>