Question on OnMessage Trigger

Hi,

I would like to ask about the OnMessage Trigger.

If a queue already have some flowitems inside, which these flowitems are not released (i.e. the label mismatch the pull requirement of next object), then after some other process, the queue's OnMessage Trigger start and changed the labels of the flowitems which allow them to go out.

But seems the flowitems cannot be released.

Is it coz the pull requirment will only be checked when the flowitems just enter the previous object?

Thanks.
Kelvin

Kelvin,

If you open the output of the queue this can retrigger the all the downstream pull requirements to search all the items.

When a single item is released in the queue, usually only the lastreleased flowitem is reconsidered by the pullrequirement code. If you want all the flowitems to be reconsidered then you need to check the Reevaluate PullRequirement flag (variable pullcontinuous) below the pull requirement triggers.

Check this post:

http://www.flexsim.com/community/for...highlight=pull