burlap.mdp.core.action

Class UniversalActionType

java.lang.Object

burlap.mdp.core.action.UniversalActionType

All Implemented Interfaces:

ActionType

public class UniversalActionType
extends java.lang.Object
implements ActionType

An ActionType implementation for unparameterized actions (or at least a single action whose parameters are full specified at construction time of this ActionType) that have no preconditions (can be executed anywhere). The UniversalActionType(String) constructor will cause this type to return SimpleAction instances whose name match the provided type name for this object. The other constructors allow you to have this ActionType return a different instance of Action. Will generate a single SimpleAction whose action name is the same as the type for name for this ActionType.

Author:

James MacGlashan.

Field Summary

Fields

Modifier and Type	Field and Description
Action	action The Action object that will be returned.
protected java.util.List<Action>	allActions The list single element list of the Action to be returned by the allApplicableActions(State) method.
java.lang.String	typeName The type name of this ActionType

Constructor Summary

Constructors

Constructor and Description
UniversalActionType(Action action) Initializes to return the given action.
UniversalActionType(java.lang.String typeName) Initializes with the type name and sets to return a SimpleAction whose action name is the same as the type name.
UniversalActionType(java.lang.String typeName, Action action) Initializes.

Method Summary

Modifier and Type	Method and Description
java.util.List<Action>	allApplicableActions(State s) Returns all possible actions of this type that can be applied in the provided State.
Action	associatedAction(java.lang.String strRep) Returns an Action whose parameters are specified by the given String representation (if the ActionType manages multiple parameterizations)
java.lang.String	typeName() The unique name of this ActionType

Methods inherited from class java.lang.Object

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

Field Detail

typeName

public java.lang.String typeName

The type name of this ActionType

action

public Action action

The Action object that will be returned.

allActions

protected java.util.List<Action> allActions

The list single element list of the Action to be returned by the allApplicableActions(State) method.

Constructor Detail

UniversalActionType

public UniversalActionType(java.lang.String typeName)

Initializes with the type name and sets to return a SimpleAction whose action name is the same as the type name.

Parameters:

typeName - The type name for this ActionType

UniversalActionType

public UniversalActionType(Action action)

Initializes to return the given action. This object's type name will be the same as Action.actionName() for the input action

Parameters:

action - the input action to return

UniversalActionType

public UniversalActionType(java.lang.String typeName,
                           Action action)

Initializes.

Parameters:

typeName - the type name of this action type

action - the action to return

Method Detail

typeName

public java.lang.String typeName()

Description copied from interface: ActionType

The unique name of this ActionType

Specified by:

typeName in interface ActionType

Returns:

unique String name of this ActionType

associatedAction

public Action associatedAction(java.lang.String strRep)

Description copied from interface: ActionType

Returns an Action whose parameters are specified by the given String representation (if the ActionType manages multiple parameterizations)

Specified by:

associatedAction in interface ActionType

Parameters:

strRep - the String representation of the Action parameters, if any, or null if there are no parameters.

Returns:

the corresponding Action

allApplicableActions

public java.util.List<Action> allApplicableActions(State s)

Description copied from interface: ActionType

Returns all possible actions of this type that can be applied in the provided State.

Specified by:

allApplicableActions in interface ActionType

Parameters:

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

Returns:

a list of all applicable Actions of this ActionType object in in the given State