Package ai.libs.jaicore.search.algorithms.mdp.mcts.tag

Class TAGPolicy<T,A>

java.lang.Object

ai.libs.jaicore.search.algorithms.mdp.mcts.tag.TAGPolicy<T,A>

All Implemented Interfaces:

IPathUpdatablePolicy<T,A,java.lang.Double>, IPolicy<T,A>, org.api4.java.common.control.ILoggingCustomizable

public class TAGPolicy<T,A>
extends java.lang.Object
implements IPathUpdatablePolicy<T,A,java.lang.Double>, org.api4.java.common.control.ILoggingCustomizable

Constructor Summary

Constructors

Constructor	Description
TAGPolicy()
TAGPolicy(boolean maximize)
TAGPolicy(double explorationConstant, int s, double delta, double thresholdIncrement, boolean isMaximize)

Method Summary

Modifier and Type	Method	Description
void	adjustThreshold(T node)
A	getAction(T node, java.util.Collection<A> actions)
double	getExplorationConstant()
java.lang.String	getLoggerName()
double	getUtilityOfAction(T node, A action, int k)	This method computes the part (b) in the Streeter paper
void	setExplorationConstant(double explorationConstant)
void	setLoggerName(java.lang.String name)
void	updatePath(org.api4.java.datastructure.graph.ILabeledPath<T,A> path, java.util.List<java.lang.Double> scores)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

TAGPolicy

public TAGPolicy()

TAGPolicy

public TAGPolicy(double explorationConstant,
                 int s,
                 double delta,
                 double thresholdIncrement,
                 boolean isMaximize)

TAGPolicy

public TAGPolicy(boolean maximize)

Method Detail

getAction

public A getAction(T node,
                   java.util.Collection<A> actions)
            throws ActionPredictionFailedException

Specified by:

getAction in interface IPolicy<T,A>

Throws:

ActionPredictionFailedException

adjustThreshold

public void adjustThreshold(T node)

getUtilityOfAction

public double getUtilityOfAction(T node,
                                 A action,
                                 int k)

This method computes the part (b) in the Streeter paper

Parameters:

node -

action -

Returns:

getExplorationConstant

public double getExplorationConstant()

setExplorationConstant

public void setExplorationConstant(double explorationConstant)

updatePath

public void updatePath(org.api4.java.datastructure.graph.ILabeledPath<T,A> path,
                       java.util.List<java.lang.Double> scores)

Specified by:

updatePath in interface IPathUpdatablePolicy<T,A,java.lang.Double>

getLoggerName

public java.lang.String getLoggerName()

Specified by:

getLoggerName in interface org.api4.java.common.control.ILoggingCustomizable

setLoggerName

public void setLoggerName(java.lang.String name)

Specified by:

setLoggerName in interface org.api4.java.common.control.ILoggingCustomizable