ABAP OO and Workflow (Events, Get a handle etc)
Mike Pokraka (WUG)
asap at workflowconnections.com
Thu May 11 09:54:36 EDT 2006
I've put a link to it in the FAQ, which is currently undergoing a minor
overhaul.
Look out for a shiny new version in the next week or so.
Cheers,
Mike
_____
From: sap-wug-bounces at mit.edu [mailto:sap-wug-bounces at mit.edu] On Behalf Of
Dart, Jocelyn
Sent: 11 May 2006 01:24
To: SAP Workflow Users' Group
Cc: skeohan at mit.edu
Subject: RE: ABAP OO and Workflow (Events, Get a handle etc)
I did send a document out several months ago - here it is again.
Sue, would you check it goes somewhere handy on the archives please?
Regards,
Jocelyn Dart
Senior Consultant
SAP Australia Pty Ltd.
Level 1/168 Walker St.
North Sydney
NSW, 2060
Australia
T +61 412 390 267
M + 61 412 390 267
E jocelyn.dart at sap.com
http://www.sap.com <http://www.sap.com/>
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From: sap-wug-bounces at mit.edu [mailto:sap-wug-bounces at mit.edu] On Behalf Of
John A Haworth
Sent: Wednesday, 10 May 2006 8:12 PM
To: SAP Workflow Users' Group
Subject: RE: ABAP OO and Workflow (Events, Get a handle etc)
Hi
Is there any good help documentation on the 'OO' world rather than the BOR
world.
Thanks
John
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"Dart, Jocelyn" <jocelyn.dart
@sap.com>
Sent by: sap-wug-bounces
10/05/2006 08:26
Please respond to "SAP Workflow Users' Group"
To: "SAP Workflow Users' Group" <sap-wug at mit.edu>
cc:
Subject: RE: ABAP OO and Workflow (Events, Get a handle etc)
Restrictions in 6.20 are:
* No functional methods (which is sad but you'll live)
* Some small changes in persistent object handling (again sad but liveable).
1. Always add a CREATEINSTANCE static method to your ABAP OO object. This
method should accept in your object key, do a create object step, and catch
any exceptions (e.g. object does not exist) and return the object in a
returning parameter. You can then call the CREATEINSTANCE step in a task.
Double check your binding - I often find it easier to bind directly to the
returning parameter rather than use the _WI_Object element.
Note: You are not permitted to call the Constructor method directly in a
task, and likewise leave all the LPOR stuff alone -that's for internal use
by the workflow engine only. In NW04s you don't even get to choose those
methods when you create a task so best not to touch them at all.
2. Absolutely use ABAP OO Events. You should only use BOR events if you
have an SAP provided BOR object and no way of raising an OO event due to the
way that applications config works.
Change documents let you raise ABAP OO events without any problems at all...
and of course you can always raise ABAP OO events from user exits, BADIs,
custom programs, etc.
Regards,
Jocelyn Dart
Senior Consultant
SAP Australia Pty Ltd.
Level 1/168 Walker St.
North Sydney
NSW, 2060
Australia
T +61 412 390 267
M + 61 412 390 267
E jocelyn.dart at sap.com
<http://www.sap.com/> http://www.sap.com
The information contained in or attached to this electronic transmission is
confidential and may be legally privileged. It is intended only for the
person or entity to which it is addressed. If you are not the intended
recipient, you are hereby notified that any distribution, copying, review,
retransmission, dissemination or other use of this electronic transmission
or the information contained in it is strictly prohibited. If you have
received this electronic transmission in error, please immediately contact
the sender to arrange for the return of the original documents.
Electronic transmission cannot be guaranteed to be secure and accordingly,
the sender does not accept liability for any such data corruption,
interception, unauthorized amendment, viruses, delays or the consequences
thereof.
Any views expressed in this electronic transmission are those of the
individual sender, except where the message states otherwise and the sender
is authorized to state them to be the views of SAP AG or any of its
subsidiaries. SAP AG, its subsidiaries, and their directors, officers and
employees make no representation nor accept any liability for the accuracy
or completeness of the views or information contained herein. Please be
aware that the furnishing of any pricing information/ business proposal
herein is indicative only, is subject to change and shall not be construed
as an offer or as constituting a binding agreement on the part of SAP AG or
any of its subsidiaries to enter into any relationship, unless otherwise
expressly stated.
_____
From: sap-wug-bounces at mit.edu [mailto:sap-wug-bounces at mit.edu] On Behalf Of
Markus Klein
Sent: Wednesday, 10 May 2006 4:51 PM
To: SAP Workflow Users' Group
Subject: ABAP OO and Workflow (Events, Get a handle etc)
Hello all,
i am currently implementing Workflows baseing on ABAP OO in a 6.20 System
(yes i know there are some restrictions, just dont know much about these
restrictions, as i havent yet found any valuable infos).
I do facing some problems and need some ideas:
1. How do i get a handle of a ABAP OO class (included the IF_WORKFLOW as
well as implementation of the respective Methods (find~by~lpor etc)) in my
workflow container at runtime?. I do start the workflow with the WAPI-FB to
start a workflow. So far i have tried to wrapp the find~by~lpor method in
another static method which is called from my workflow. I do pass a key to
the task which implements the wrapper method. The task passes the key to the
method and the method should return a handle which will then passed back to
the workflow. Everthing on the data-level is fine, meaning the key is a
valid key (did run the class in testmode and called the wrapper method with
that key and i do get a valied handle back) . Unfortuantelly the container
element of the workflow which should hold the returned handle is always
empty.
2. Is it recommend to use EVENTS as part of ABAP OO to control workflows or
should i better go with a BOR implementation for that matter?
thanks :)
regards,
Markus
______________________________________
ABS Team GmbH
SAP-Consulting, Human Capital Management
Muehlenweg 65
37120 Bovenden
Markus Klein
SAP Consultant
eMail: klein at abs-team.de
Tel.: +49 551 820 33 0
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