what do you mean with version of the object?
We usually solve that with the on-entry actions of the nodes, but the BPMN2
spec don't define those hooks to be able to execute code before and after
each node.
Let me review the code to see how it can be done right now.
If you include a script task before the workitem you can get the fact from
the working memory and set a process variable before calling the work item.
Greetings.
On Fri, Apr 1, 2011 at 7:14 AM, Swindells, Thomas <TSwindells(a)nds.com>wrote:
They are new objects – or at least we don’t know which version of
the
object it is until the rules have run and worked it out.
*From:* Mauricio Salatino [mailto:salaboy@gmail.com]
*Sent:* 01 April 2011 10:45
*To:* Rules Users List
*Cc:* Swindells, Thomas
*Subject:* Re: [rules-users] Setting WorkItem parameter to object in
working memory
what about adding the same object that you are inserting in the working
memory as a process parameter?
Are you generating new objects inside your rules and then you want to
inject that inside a work item?
Work Items have their own scope that should be decoupled from the knowledge
session, so you need to find a way to copy the information from the working
memory scope to the work item scope and the first thing that comes into my
mind is to do it in the easiest way that it's to include that information in
the process scope.
Greetings.
2011/4/1 Swindells, Thomas <TSwindells(a)nds.com>
We have a process which runs some rules against items in the working
memory. We then want to use one of the objects in the working memory as the
input parameter to a work item.
The only way I can see to do this is to use a script step to fetch the fact
from the wm (via a query or whatever) and then set a global, then have the
global map into the in paramater. This however seems very messy, scoping
the variable far larger than it needs to.
Is there a more appropriate solution which doesn’t pollute the global
variable namespace – perhaps running some code in the work items on entry
action to populate the parameter directly?
Thanks,
Thomas
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