WF ProgramExists

Mike Pokraka wug at workflowconnections.com
Fri Oct 15 03:44:51 EDT 2010 

Hi Rick,

No I haven't played with them, but looks like there's some good stuff
there. If the forwarding isn't catchable in the WF exit, you could do a
small enhancement somewhere in the forwarding functionality.

Cheers,
Mike

On Thu, October 14, 2010 4:26 pm, Sample, Rick wrote:
> Mike,
>
> That is sort of what I have right now. Pre/Post BG steps on these approval
> tasks.
> I have a wee bit of time to play around with these WF Program Exits and
> determine if I have valid use 'without' over engineering my WF.
> It looks doable and some simple container ops seem to work... mostly
> anyway.
>
> I am hacking some of the class files in the SWF_TST package. First try was
> the WF Trace.
> That did not work. Won't turn on via the class file. Annoying, but got the
> container ops
> code and kicking around.
>
> You use this functionality?
>
> I plan to spend a day or two more and see what I can get out of these
> class files.
>
> As always, thanks for the feedback.
> Rick
>
>> -----Original Message-----
>> From: sap-wug-bounces at mit.edu [mailto:sap-wug-
>> bounces at mit.edu] On Behalf Of Mike Pokraka
>> Sent: Thursday, October 14, 2010 8:03 AM
>> To: SAP Workflow Users' Group
>> Subject: RE: WF ProgramExists
>>
>> Rick,
>>
>> Just a general comment which may not apply, but I find
>> that I tend to do role resolution separately more often
>> than not as it avoids most of these conundrums.
>> To accomplish your scenario I'd use two conditional texts in
>> my work item and pass in a flag to display one or the other.
>> It may be possible to catch the forwarding action via a work
>> item exit (not sure & no time to look into it) and change
>> the flag in the container - the new text would be displayed
>> automatically for the new user.
>>
>> Cheers,
>> Mike
>>
>> On Thu, October 14, 2010 1:12 pm, Sample, Rick wrote:
>> > Sorry, dumb question. I know a flag gets set somewhere,
>> because of the
>> > option
>> >
>> > to fail the role if FM failed. "Terminate if Rule Resolution
>> has no
>> > Result".
>> >
>> >
>> >
>> > Most WFs we have a 'Fail Back' option. If role fails to find
>> next
>> > agent in approval,
>> >
>> > send back to last agent with a changed TEXT to inform
>> user what to do
>> > next.
>> >
>> > User can manually forward,  whatever...
>> >
>> >
>> >
>> > What appears to be a better option is to get last agent
>> and compare to
>> > the current agent.
>> >
>> > The event AFT_REXEC "after rule executed", looks like it is
>> what I want.
>> >
>> >
>> >
>> > Will forward findings if anyone cares...
>> >
>> >
>> >
>> > Thanks,
>> >
>> > Rick
>> >
>> >
>> > From: sap-wug-bounces at mit.edu [mailto:sap-wug-
>> bounces at mit.edu] On
>> > Behalf Of Steffen Schloenvoigt
>> > Sent: Thursday, October 14, 2010 4:58 AM
>> > To: SAP Workflow Users' Group
>> > Subject: Re: WF ProgramExists
>> >
>> > Hmm no, but you could try to use FM
>> 'SAP_WAPI_WORKITEM_RECIPIENTS' and
>> > check if the result is empty...
>> >
>> > Best regards,
>> > Steffen Schlönvoigt
>> > 2010/10/13 Sample, Rick
>> >
>> <Rick.Sample at graybar.com<mailto:Rick.Sample at graybar.c
>> om>>
>> > Update,
>> > I figured out how to update the WI_TEXT with some code
>> in
>> > CL_SWL_ADM_COMMAND-WITEXT_CHANGE.
>> >
>> > Now, I would like to change this WI_TEXT on failure of the
>> role res.
>> > Example, if
>> > role res fails, set the WI_TEXT to "Error, bla bla bla you
>> received
>> > this because could not find next agent... "
>> > Right now, I have to execute the role res in a background
>> task just to
>> > figure out if next agent is found, set the message if not,
>> etc. Then,
>> > execute the Decision task (which executes the role res
>> again) and send
>> > to last agent.
>> >
>> > Question: Is there a flag in Work Item container that is set
>> if role
>> > fails?
>> >
>> >
>> >
>> > From: Sample, Rick
>> > Sent: Wednesday, October 13, 2010 8:53 AM
>> > To: SAP Workflow Users' Group
>> > Subject: WF ProgramExists
>> >
>> >
>> > Hi all,
>> >
>> >
>> >
>> > I have a need for a WF "Program Exit" to dynamically
>> change the Task
>> > Text at runtime.
>> >
>> >
>> >
>> > Currently, if I need to change a task text at runtime, I
>> create a
>> > container element and
>> >
>> > place it in the WI_TEXT. I then have a background task
>> determine what
>> > the task text should be and
>> >
>> > pass it in before the Decision step is executed. Kludgy, but
>> it works
>> > and fairly simple to understand.
>> >
>> >
>> >
>> > Now, I want to dynamically change this value using a
>> Program Exit.
>> >
>> >
>> >
>> > So I added the SAP standard
>> CL_SWF_TST_PE_GETDESCRIPTION class to a
>> > new task and
>> >
>> > it gets the Desc text and sets a container. Fine.
>> >
>> > Next, I modified this class to just get/set a Work Item
>> container.
>> > This also works fine.
>> >
>> >
>> >
>> > Now, I tried to get this to change the Task Text with this
>> new
>> > container element but no luck.
>> >
>> > This changes the container element, but does not change
>> the Work Item
>> > text.
>> >
>> >
>> >
>> > Anyone use these WF program exits?
>> >
>> > Any thoughts, examples, assistance is greatly appreciated.
>> >
>> >
>> >
>> >
>> >
>> > ==================================
>> >
>> > METHOD change_cont_element.
>> >
>> >
>> >
>> >   DATA:
>> >
>> >    container TYPE REF TO if_swf_cnt_container,
>> >
>> >    lh_wihandle TYPE REF TO if_swf_run_wim_internal,
>> >
>> >    l_exception TYPE REF TO cx_swf_cnt_container,
>> >
>> >    l_wiid TYPE sww_wiid.
>> >
>> >
>> >
>> >   BREAK-POINT ID zexits.
>> >
>> >
>> >
>> >   l_wiid = me->m_ctx->get_workitem_id( ).
>> >
>> >
>> >
>> >   TRY.
>> >
>> >       lh_wihandle =
>> cl_swf_run_wim_factory=>find_by_wiid( l_wiid ).
>> >
>> >       container = lh_wihandle->get_wi_container( ).
>> >
>> >     CATCH cx_swf_run_wim.
>> >
>> >   ENDTRY.
>> >
>> >
>> >
>> >   TRY.
>> >
>> >       CALL METHOD container->element_get
>> >
>> >         EXPORTING
>> >
>> >           name = 'ZWI_TEXT'.
>> >
>> >
>> >
>> >       CALL METHOD container->element_set
>> >
>> >         EXPORTING
>> >
>> >           name             = 'ZWI_TEXT'
>> >
>> >           value            = 'New_Text'
>> >
>> >         IMPORTING
>> >
>> >           exception_return = l_exception.
>> >
>> >
>> >
>> >     CATCH cx_swf_tst_introspection_error.
>> >
>> >     CATCH cx_swf_cnt_container.
>> >
>> >   ENDTRY.
>> >
>> >
>> >
>> > ENDMETHOD.
>> >
>> >
>> >
>> >
>> > Rick Sample | SAP Workflow Analyst/Developer
>> > 11885 Lackland Road | Maryland Heights, MO 63146 |
>> Office (314)
>> > 573-5822 | Mobile (314) 952-2273 |
>> >
>> rick.sample at graybar.com<mailto:rick.sample at graybar.com
>> >
>> > www.graybar.com<http://www.graybar.com/> - Works to
>> Your Advantage
>> >
>> >
>> [cid:image001.gif at 01CB6B6F.23AE04A0]<http://www.grayb
>> ar.com/>
>> >
>> >
>> >
>> >
>> > _______________________________________________
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