Hi,
I´ve got a question concerning the DecisionNode. As far as I can read from the
documentation the first transition, that resolves to true within a DecisionNode
will be used.
Unfortunately I experienced a different behaviour for my test-process.
This is part of what I have defined:
| <start-state name="start">
| <transition to="isExceedingOrdered" />
| </start-state>
|
| <decision name="isExceedingOrdered">
| <event type="node-enter">
| <script><expression>System.out.println(executionContext.getNode().getName()
+ " entered");</expression></script>
| </event>
| <transition name="yes" to="isExceedingBuilt">
| <condition
expression="#{contextInstance.variables.orderingState >= 160}" />
| </transition>
| <transition name="no" to="ordered">
| <!-- <condition
expression="#{contextInstance.variables.orderingState.ivsCode lt 160}" /> -->
| </transition>
| </decision>
|
| <state name="ordered">
| <transition to="isExceedingOrdered" name="state
change"></transition>
| </state>
|
| <decision name="isExceedingBuilt">
| <transition to="built" name="no">
| <condition expression="#{orderingState >=
182}"></condition>
| </transition>
| <transition to="fork" name="yes"></transition>
| </decision>
|
| <state name="built">
| <transition to="isExceedingBuilt" name="state change"></transition>
| </state>
|
In my first state a set the variable through a java test-class using
| pi.getContextInstance().setVariable(orderingstate, 1);
|
So as I would say, in the first decision-node (named "isExceedingOrdered")
after the starte-node, the first transition should result in false and then use
the second transition (named "no"), because it does not have condition,
therefor should result in true and then wait in the state "ordered".
Unfortunately this works only if I put a condition in the second transition as
well (as seen commented in my code above) otherwise it goes directly in the
state-node "built". But this is only the case, when I define my transition "no"
in "isExceedingBuilt" at first, no matter of what the result of the condition
is.
So this seems a bit strange to me, but possiblly I misunderstood something. So
maybe someone can point me to the right direction.
Thanks
Thomas
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