com.ptc.windchill.upgrade.util.fsm
Class Reaction

java.lang.Object
  com.ptc.windchill.upgrade.util.fsm.Reaction

Direct Known Subclasses:

AbstractReaction, ConditionalReaction, Reaction.NoopReaction, Transition

public abstract class Reaction

extends Object

Reaction are behavior taken by a StateMachine upon receiving events.

Nested Class Summary

private static class

Reaction.NoopReaction

Field Summary

static Reaction

NOOP An reaction that does nothing.

Constructor Summary

protected

Reaction() Protected constructor requires subclassing to create new types of reactions.

Method Summary

(package private) abstract void

execute(Event event) A package internal method: invoked to execute the action

Methods inherited from class java.lang.Object

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

Field Detail

NOOP

public static Reaction NOOP

An reaction that does nothing. This is convenient for registering an event that should be enabled always, but which may sometimes do nothing.

Constructor Detail

Reaction

protected Reaction()

Protected constructor requires subclassing to create new types of reactions.

Method Detail

execute

abstract void execute(Event event)

A package internal method: invoked to execute the action