User development,
A new message was posted in the thread "jbpm 4.3 timer expression":
http://community.jboss.org/message/531391#531391
Author : Martin Pradny
Profile :
http://community.jboss.org/people/mpradny
Message:
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Hello,
I wanted to configure timer duedate and repeat attributes from instance variables, but I
couldn't get direct access to them. After some time with debugger I've found that
Juel evaluator of timers doesn't have access to execution context, but to job context
only. Instead of #{escalate} I had to use
*#{job.execution.variables['escalate']}* .
here is xml snippet:
<task g="203,152,92,52" name="initiation"
assignee="#{initiator}">
<on event="start">
<event-listener class="com.pradny.task.EventHandler">
<field name="type"><string
value="task-start1"/></field>
</event-listener>
<event-listener class="com.pradny.task.EventHandler">
<field name="type"><object
expr="#{escalate}"/></field>
</event-listener>
</on>
<on event="timeout">
<timer duedate="10 seconds"
repeat="*#{job.execution.variables['escalate']}*"/>
<event-listener class="com.pradny.task.EventHandler">
<field name="type"><string
value="task-overdue"/></field>
</event-listener>
</on>
<transition to="approval" />
</task>
Could anyone confirm that this approach is correct? Is there any reason that wouldn't
allow standard access to instance variables?
Thanks,
Martin
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