com.mwt.explorers

Class GenericExplorer<T>

java.lang.Object

com.mwt.explorers.GenericExplorer<T>

All Implemented Interfaces:

ConsumeScorer<T>, Explorer<T>

Direct Known Subclasses:

VariableActionGenericExplorer

public class GenericExplorer<T>
extends Object
implements Explorer<T>, ConsumeScorer<T>

GenericExplorer provides complete flexibility. You can create any distribution over actions desired, and it will draw from that.

Constructor Summary

Constructors

Constructor and Description
GenericExplorer(Scorer<T> defaultScorer, int numActions) Constructor

Method Summary

Modifier and Type	Method and Description
DecisionTuple	chooseAction(long saltedSeed, T context) Determines the action to take and the probability with which it was chosen, for a given context.
void	enableExplore(boolean explore)
protected int	getNumActions(T context)
void	updateScorer(Scorer<T> newScorer)

Methods inherited from class java.lang.Object

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

Constructor Detail

GenericExplorer

public GenericExplorer(Scorer<T> defaultScorer,
                       int numActions)

Constructor

Parameters:

defaultScorer - A function which outputs the probability of each action.

numActions - The number of actions to randomize over.

Method Detail

getNumActions

protected int getNumActions(T context)

updateScorer

public void updateScorer(Scorer<T> newScorer)

Specified by:

updateScorer in interface ConsumeScorer<T>

chooseAction

public DecisionTuple chooseAction(long saltedSeed,
                                  T context)

Description copied from interface: Explorer

Determines the action to take and the probability with which it was chosen, for a given context.

Specified by:

chooseAction in interface Explorer<T>

Parameters:

saltedSeed - A PRG seed based on a unique id information provided by the user

context - A user-defined context for the decision

Returns:

The action to take, the probability it was chosen, and a flag indicating whether to record this decision

enableExplore

public void enableExplore(boolean explore)

Specified by:

enableExplore in interface Explorer<T>