Package edu.tufts.hrilab.action

Class ActionStack

java.lang.Object

edu.tufts.hrilab.action.ActionStack

public class ActionStack
extends Object

The ActionStack stores the currently executed steps. It takes care of updating the state machine and locks while hiding the low level implementation details.

Constructor Summary

Constructors

Constructor	Description
ActionStack(ActionInterpreter a)	Constructor

Method Summary

Modifier and Type	Method	Description
void	before(Context step)	Adds a step to the action stack before execution
Context	next()	Gets the next step from the action stack

Methods inherited from class java.lang.Object

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

Constructor Details

ActionStack

public ActionStack(ActionInterpreter a)

Constructor

Parameters:

a - an ActionInterpreter instance

Method Details

before

public void before(Context step)

Adds a step to the action stack before execution

Parameters:

step -

next

public Context next()

Gets the next step from the action stack

Returns:

next step