IF_SWF_IFS_BIND_TRANSFORM - transforming from BOR to ABAP object

[Mike Pokraka]

Hi Kjetil, 

I haven't encountered this because I usually take the easy route :-)
Instantiate an OO equivalent early on in the WF via container operation, and use that whenever it's needed.

Regards, 
Mike

On 4 Feb 2014, at 13:06, Kjetil Kilhavn <list.sap-wug at vettug.no> wrote:

I decided to venture into the unchartered (for me) lands of mixed 
implementations, so I have a task which is triggered by a BUS2009 event but 
needs a ABAP object as well.

This is a simple solution (SelfItem::SendTaskDescription), so I really want 
this to just be a single task. “No problem” - that can be done using a 
transformation, all that is needed is an implementation of 
IF_SWF_IFS_BIND_TRANSFORM.

Sounds easy, and is not too bad up to and including implementation of the 
Check method where I can query the type of the source and target elements to 
ensure only the supported object types are passed. This method can be tested 
in the binding editor. 

However, implementing the Transform method seems to be a tad bit worse. 
SAP have been kind enough to implement a couple of examples with addition and 
subtraction of numbers, and I have previously implemented the interface to 
transform a decision (SWYFORM-RETURN0) to a text representation of that 
decision. Easy peasy - but that was values, not objects!

Now, with objects it seems it is not so easy - and I am unable to figure out a 
way to test the transform method.

Even if the mighty google fail to be of assistance. Surely someone on this e-
mail list must have encountered this problem before me.
-- 
Kjetil Kilhavn / Vettug AS (http://www.vettug.no)

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