Periodic rule evaluation

[Dart, Jocelyn]

Err.... "infinite loop"*&)@#$*!!! 

No... 
Correct DESIGN is.... 
Header level "terminating" event -> Re-evalute rules
(Important that it's the header level of the Workflow or Subflow that actually contains the dialog task to be updated)

Then just raise the event you are using to trigger re-evalute rules whenever you want the rules to be reassessed.

I'd suggest you create/use an (IF_WORKFLOW interface supporting) ABAP Class event - some sort of generic utility class so that you don't need to provide much of a key.
E.g. you could have an ABAP Class ZCL_WF_RULE instanced on the Rule or table id, and raise the event... ZCL_WF_RULE.CHANGED.


But I certainly would NOT recommend re-evaluating the rules in background every x minutes ... All that does is drain system performance. Much better to only trigger the re-evaluate event for relevant workflows/work items when an actual change happens.  

Of course your approach will work but... You risk degrading system performance. 

Hope that helps.

Regards,
Jocelyn 
 

-----Original Message-----
From: sap-wug-bounces at mit.edu [mailto:sap-wug-bounces at mit.edu] On Behalf Of Mike Pokraka
Sent: Monday, 31 August 2009 6:23 PM
To: SAP Workflow Users' Group
Subject: Re: Periodic rule evaluation

Fork. Infinite loop. Wait step. Raise event. Header level event ->
Reevaluate rules.

On Mon, August 31, 2009 8:40 am, Shai Eyal wrote:
> Hi all,
>
> In a certain workflow I have the agent are set using custom rule. The rule
> actually reads from custom table which holds the responsible as user id.
> Occasionally the user id on this custom table may change. consequently I
> need to re-evaluate the rule such that outstanding workitems will be
> updated with the new user id.
>
> I'm looking for a standard job to run in background every x minutes and
> re-evaluate the rule for the outstanding work items.
> I'm familiar with SWI1_RULE but was not able to schedule to do what I
> want.
> My developed solution would be creating report that selects
> these workitems and run SAP_WAPI_ADM_WORKITEM_REDORULE for each.
>
> Does anyone familiar with a standard solution? any other idea?
>
> Thanks in advance,
>  
> Regards,
> Shai Eyal
> SAP Logistics senior consultant
> SAP Workflow & BPM specialist
> http://www.linkedin.com/in/shaieyal
> Mobile: 972-52-5816633
>
>
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