Package edu.tufts.hrilab.action.execution

Class ContextTreeModification

java.lang.Object

edu.tufts.hrilab.action.execution.ContextTreeModification

public class ContextTreeModification
extends Object

Constructor Summary

Constructors

Constructor	Description
ContextTreeModification()

Method Summary

Modifier and Type	Method	Description
static boolean	goToNextStep(Context context, Context referenceStep)	go to the step following referenceStep get copy of child contexts, modify child contexts, then set original context with modified children
static int	modifyContext(Context context, Predicate modification)	Modify the context tree by inserting, removing, or replacing an action step
static void	resetFailedContext(Context context)	locate and reset the failed context step.

Methods inherited from class java.lang.Object

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

Constructor Details

ContextTreeModification

public ContextTreeModification()

Method Details

modifyContext

public static int modifyContext(Context context,
 Predicate modification)

Modify the context tree by inserting, removing, or replacing an action step

Parameters:

context - the context tree to be modified -- currently assumes context is GoalContext with 1 step

modification - the type and value of the modification modType(modificationInformation) insert(step) delete(step) replace(ogStep, newStep)

Returns:

the index of modified step

goToNextStep

public static boolean goToNextStep(Context context,
 Context referenceStep)

go to the step following referenceStep get copy of child contexts, modify child contexts, then set original context with modified children

Parameters:

referenceStep - the step before the step to execute

Returns:

found reference step

resetFailedContext

public static void resetFailedContext(Context context)

locate and reset the failed context step. if the context did not cause the failure, set it to progress and check children

Parameters:

context - failed context