burlap.domain.singleagent.tabularized

Class TabulatedDomainWrapper.ActionWrapper

java.lang.Object

burlap.oomdp.singleagent.Action

burlap.domain.singleagent.tabularized.TabulatedDomainWrapper.ActionWrapper

All Implemented Interfaces:

FullActionModel

Enclosing class:

TabulatedDomainWrapper

public class TabulatedDomainWrapper.ActionWrapper
extends Action
implements FullActionModel

An action wrapper that coverts a tabularized state into the source domain state, perform the corresponding source domain action on it getting the resulting source domain state and returns the tabularized version of the resulting source domain state. Also wraps the preconditions and transition dynamics of the source domain action in similar ways.

Author:

James MacGlashan

Nested Class Summary

Nested classes/interfaces inherited from interface burlap.oomdp.singleagent.FullActionModel

FullActionModel.FullActionModelHelper

Field Summary

Fields

Modifier and Type	Field and Description
protected Action	srcAction

Fields inherited from class burlap.oomdp.singleagent.Action

actionObservers, domain, name

Constructor Summary

Constructors

Constructor and Description
TabulatedDomainWrapper.ActionWrapper(Domain domain, Action action) Constructs

Method Summary

Methods

Modifier and Type	Method and Description
boolean	applicableInState(State s, GroundedAction groundedAction) Returns true if this action can be applied in this specified state with the parameters specified by the provided GroundedAction Default behavior is that an action can be applied in any state, but this will need be overridden if that is not the case.
java.util.List<GroundedAction>	getAllApplicableGroundedActions(State s) Returns all possible groundings of this action that can be applied in the provided State.
GroundedAction	getAssociatedGroundedAction() Returns a GroundedAction instance that points to this Action, but does not have any parameters--if any--set.
java.util.List<TransitionProbability>	getTransitions(State s, GroundedAction groundedAction) Returns the transition probabilities for applying this action in the given state with the given set of parameters.
boolean	isParameterized() Returns true if this action is parameterized; false otherwise.
boolean	isPrimitive() Returns whether this action is a primitive action of the domain or not.
protected State	performActionHelper(State s, GroundedAction groundedAction) This method determines what happens when an action is applied in the given state with the given parameters.

Methods inherited from class burlap.oomdp.singleagent.Action

addActionObserver, clearAllActionsObservers, deterministicTransition, equals, getAllApplicableGroundedActionsFromActionList, getDomain, getGroundedAction, getName, hashCode, performAction, performInEnvironment

Methods inherited from class java.lang.Object

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

Field Detail

srcAction

protected Action srcAction

Constructor Detail

TabulatedDomainWrapper.ActionWrapper

public TabulatedDomainWrapper.ActionWrapper(Domain domain,
                                    Action action)

Constructs

Parameters:

domain - the tabularized domain

action - the source domain action to be wrapped

Method Detail

applicableInState

public boolean applicableInState(State s,
                        GroundedAction groundedAction)

Description copied from class: Action

Returns true if this action can be applied in this specified state with the parameters specified by the provided GroundedAction Default behavior is that an action can be applied in any state, but this will need be overridden if that is not the case.

Specified by:

applicableInState in class Action

Parameters:

s - the state to perform the action on

groundedAction - the GroundedAction specifying the parameters to use

Returns:

whether this action can be performed on the given state with the given parameters

performActionHelper

protected State performActionHelper(State s,
                        GroundedAction groundedAction)

Description copied from class: Action

This method determines what happens when an action is applied in the given state with the given parameters. The State object s may be directly modified in this method since the parent method (Action.performAction(burlap.oomdp.core.states.State, GroundedAction) first copies the input state to pass to this helper method. The resulting state (which may be s) should then be returned.

Specified by:

performActionHelper in class Action

Parameters:

s - the state to perform the action on

groundedAction - the GroundedAction specifying the parameters to use

Returns:

the resulting State from performing this action

getTransitions

public java.util.List<TransitionProbability> getTransitions(State s,
                                                   GroundedAction groundedAction)

Description copied from interface: FullActionModel

Returns the transition probabilities for applying this action in the given state with the given set of parameters. Transition probabilities are specified as list of TransitionProbability objects. The list is only required to contain transitions with non-zero probability.

Specified by:

getTransitions in interface FullActionModel

Parameters:

s - the state from which the transition probabilities when applying this action will be returned.

groundedAction - the GroundedAction specifying the parameters to use

Returns:

a List of transition probabilities for applying this action in the given state with the given set of parameters

isPrimitive

public boolean isPrimitive()

Description copied from class: Action

Returns whether this action is a primitive action of the domain or not. A primitive action is defined to be an action that always takes one time step.

Specified by:

isPrimitive in class Action

Returns:

true if the action is primitive; false otherwise.

isParameterized

public boolean isParameterized()

Description copied from class: Action

Returns true if this action is parameterized; false otherwise.

Specified by:

isParameterized in class Action

Returns:

true if this Action is parameterized; false if it is not.

getAssociatedGroundedAction

public GroundedAction getAssociatedGroundedAction()

Description copied from class: Action

Returns a GroundedAction instance that points to this Action, but does not have any parameters--if any--set.

Specified by:

getAssociatedGroundedAction in class Action

Returns:

a GroundedAction instance.

getAllApplicableGroundedActions

public java.util.List<GroundedAction> getAllApplicableGroundedActions(State s)

Description copied from class: Action

Returns all possible groundings of this action that can be applied in the provided State. To check if a grounded action is applicable in the state, the Action.applicableInState(State, burlap.oomdp.singleagent.GroundedAction) method is checked. The default behavior of this method is to treat the parameters as possible object bindings, finding all bindings that satisfy the object class typing specified and then checking them against the Action.applicableInState(State, burlap.oomdp.singleagent.GroundedAction) method. However, this class can also be overridden to provide custom grounding behavior or non-object based parametrization.

Specified by:

getAllApplicableGroundedActions in class Action

Parameters:

s - the State in which all applicable grounded actions of this Action object should be returned.

Returns:

a list of all applicable GroundedActions of this Action object in in the given State