WF ProgramExists

Dart, Jocelyn jocelyn.dart at sap.com
Mon Oct 18 19:28:10 EDT 2010 

Mike - Try the state change event - Yes that should be usable when the work item is forwarded, reserved or replaced. 
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, 18 October 2010 9:20 PM
To: SAP Workflow Users' Group
Subject: Re: WF ProgramExists

Hi Kjetil,

Doesn't address the question whether it gets called during forwarding, but
a much more useful piece of info instead, thanks!

Mike

On Mon, October 18, 2010 10:21 am, Kjetil Kilhavn wrote:
> Fredag 15. oktober 2010 09.44.51 skrev Mike Pokraka:
>> 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.
>
> It's been a while since I examined IF_SWF_IFS_WORKITEM in order to find
> out if
> I could use this interface to log some information in a solution's WF log
> instead of using separate logging tables, but here's my findings about the
> sequence of method invocations anyway - for what it is worth:
>
> WI type     | BC | AR       | C  | BE  | SC    | AE | AA | BR |
> ---------------------------------------------------------------
> W (dialog)  | 1  | 2 (a)    | 3  |     |       |    |    |    |
> B (backgr.) |    |          |    | 1   | 2     | 3  |    |    |
>             |    |          |    |     | 4,5   |    |    |    |
> F (flow)    | 1  | 6,7,8,9, | 2  | 3   | 4,5,  | 10,|    |    |
>             |    | 13,14,15,|    |     | 11,12 |    |    |    |
>             |    | 16,17    |    |     |       |    |    |    |
> ---------------------------------------------------------------
> (a) Not if no agent is found
>
> BC - BEF_CREAT
> AE - AFT_REXEC
> C  - CREATED
> BE - BEF_EXEC
> SC - STATE_CHG
> AE - AFT_EXEC
> AA - AFT_ASYINV
> BR - BEF_REMOVE
>
> Well, as I can recall it was the *sequence* I made a note of, my memory
> may of
> course be failing ;-)
>
>>
>> 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 |
> --
> Kjetil Kilhavn (+47 40220607)
> Blue Consulting AS (http://www.bluec.no)
>
> _______________________________________________
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> SAP-WUG at mit.edu
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>


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