Hi Kevin,

Is your Person() function within in the constraint returning a boolean result?  If not, then that could be the issue.  From the documentation on Drools Flow:

"Code constraints are boolean expressions, evaluated directly whenever they are reached. We currently support two dialects for expressing these code constraints: Java and MVEL. Both Java and MVEL code constraints have direct access to the globals and variables defined in the process."

You can find it here under section 3.5 if you'd like to read more:
http://downloads.jboss.com/drools/docs/5.0.1.26597.FINAL/drools-flow/html_single/index.html#d0e1118



----- Original Message -----
From: "Kevin Alonso" <kalonso@vicomtech.org>
To: "Rules Users List" <rules-users@lists.jboss.org>
Sent: Wednesday, September 23, 2009 3:47:17 AM GMT -06:00 US/Canada Central
Subject: [rules-users] Event Wait Nodo in a ruleflow

Hello,
I´m working with a simple flow that has a  Event Wait node. This node
has the following condition:
- Person()

Being Person a class that is not inserted into the session yet.

When the flow arrives to the event wait node its execution stops and the
test main class execution continues. Here I insert a Person object to
the session, so now, the flow can continue. After wait node I have a
Split node, which has the followings constraints:

- Person()

- not Person()

The flow always take the not Person() way. But now a Person instance is
into the session.

Why is happening this?

Could anyone help me?

Thank you,
Kevin
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