WAIT for Event - held in container/variable

[Rick Bakker]

Wayne,

Is one event with 15 different parameter values instead of 15
different events an option?

regards
Rick Bakker
Hanabi Technology

On 4/3/09, Florin Wach <florin.wach at gmx.net> wrote:
> Hi Wayne,
>
> if you think one step outside the box, it's going to be fairly easy:
>
> - Create an additional event to your business object and name it "CloseProcess". Make this available in your workflow pattern through system wide delegation or whatever is appropriate here.
> - Create a wait step - regardless of what you hold in your container-element ... let's name it "WaitEvent" for the moment - and wait for event Object.CloseProcess
> - For each other event that the business object offers (e.g. .Released .Rejected .Finalized .Completed ...) create a type-linkage in the event coupling as following:
> * Enter a check-function module Z_CHECK_EVENT_OF_WORKFLOW
> * Enter a receiver-function module Z_CREATE_EVT_CLOSE_PROCESS
>
> The algorithm for the two function modules is roughly the following:
>
> Z_CHECK_....
>
> - Read instance linkages for Object.CloseProcess with the instance value passed from the import parameter (e.g. class method CL_SWF_EVT_EVENT_MANAGER=>select_linkages
> - Determine the top-Workflow of the event-item (through the API SAP_WAPI_GET_HEADER that provides the SWR_WIHDR structure, field WI_CHKWI
> - Read the workflow container from there through SAP_WAPI_READ_CONTAINER
> - Select the element WaitEvent
> - Compare the content of WaitEvent against the import parameter EVENT
> - If that comparison is true, you have got an event for a workflow, who's "waiting" for. In this case, let the check pass, in all other cases raise an event in order to stop the receiver function module to process
>
> Z_CREATE_EVT...
>
> This function module blindly takes the object instance and raises the event CloseProcess for it.
>
> SAP_WAPI_CREATE_EVENT
>  Object_Type = OBJTYPE
>  Object_key  = OBJKEY
>  Event       = 'CLOSEPROCESS'
>
>
> Given this roughly pattern you should be able to work out the details, if you can familiarize with that proposed solution.
>
>
> With the very best wishes,
> Florin
>
>
> -------- Original-Nachricht --------
> > Datum: Fri, 3 Apr 2009 11:04:51 +1100
> > Von: "Hanrahan, Wayne" <WHanrahan at powercor.com.au>
> > An: sap-wug at mit.edu
> > Betreff: WAIT for Event - held in container/variable
>
> > Hi all,
> >  I am trying to wait for an event that is held in a variable/container.
> > So I read the name of the terminating event from a custom table, and try
> > to wait for it to occur. If it does, the workflow should shut down.
> >  The problem: when creating the wait event, I have to select from the
> > dropdown list only...I cannot specify a container which contains the
> > name of the event dynamically.
> >  Anyone know how to handle this? Thanks,
> > Wayne Hanrahan.
> > Powercor Australia.
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