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

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

public class Transition

extends Reaction

A reaction that will transition a StateMachine to an instance of a particular State.

Nested Class Summary

Nested classes inherited from class com.ptc.windchill.upgrade.util.fsm.Reaction

Field Summary

private StateDefinition

targetStateDefinition_

Fields inherited from class com.ptc.windchill.upgrade.util.fsm.Reaction

NOOP

Constructor Summary

Transition(StateDefinition target_state_definition)
Transition

Method Summary

(package private) void	execute(Event event) A package internal method: performs the transition
(package private) StateDefinition	getTargetStateDefinition() A package internal method: the target of the transition
protected boolean	shouldTransitionProceed(Event event) Do some activity before a transition and decide if the transition should proceed or not.
String	toString() A simple description of the transition.

Methods inherited from class java.lang.Object

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

Field Detail

targetStateDefinition_

private StateDefinition targetStateDefinition_

Constructor Detail

Transition

public Transition(StateDefinition target_state_definition)

Transition

Method Detail

getTargetStateDefinition

final StateDefinition getTargetStateDefinition()

A package internal method: the target of the transition

execute

final void execute(Event event)

A package internal method: performs the transition

Specified by:

execute in class Reaction

toString

public String toString()

A simple description of the transition.

shouldTransitionProceed

protected boolean shouldTransitionProceed(Event event)

Do some activity before a transition and decide if the transition should proceed or not. Override is optional, the default behavior is to return true. Overrides don't need to call super.shouldTransitionProceed(event).

Parameters:

event - the event causing the transition

Returns:

true to continue and perform the transition, false if the transition should not occur