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Task Gateway: Custom Task Provider --> Facade class: what goes where?

Aug 11, 2017 at 02:59 PM

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Hello folks,

in continuation/in parallel to https://answers.sap.com/questions/276665/index.html and https://answers.sap.com/questions/278942/index.html and with respect to Resmi's blog https://archive.sap.com/documents/docs/DOC-53315 (which is for rather has been, as of today, the only information source concerning this topic):

As per Resmi's blog, after minor struggling, I have succeeded in configuring the, let's call it "frame" for a custom provider feeding the task gateway (TASKPROCESSING), respectively the Fiori My Inbox. What I have to do next is implementing the logic of the Facade Class which ultimately works as a proxy between Task Gateway Model and Data from Business Logic from a remote System.

Disregarding whatever data from business logic there might be to convert, I'm currently trying to do a Pseudo-Implementation, i.e. implementing static literals in several methods to find out which methods need to be implemented in what way / what they are corresponding with. This is proving quite problematic; let me elaborate on that:

- I don't really have a clue what I'm doing, i.e. I don't know how the Task Gateway operates in-depth and/or how it is polling/expecting what data from a facade class and why/for what.

- The official documentation on the topic is incredibly vague and sparse and, ultimately, all the available SAP Notes and Documents point to Resmi's Blog over here https://archive.sap.com/documents/docs/DOC-53315 which does not provide the information exactly how the particular methods are incorporated in the framework.

Now here is my question: Has anybody ever done an actual implementation of a Custom Task Provider? To be clear: I'm NOT talking about BPM, I'm NOT talking about BWF and I'm NOT talking about a TCM-compliant oData service either. What I'm talking about is the retrieval of Information from a remote ABAP System and displaying it in the Fiori My Inbox.

Cheers, Lukas

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1 Answer

Lukas Weigelt Aug 14, 2017 at 11:07 AM
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Bump. Nobody?

At the moment I'm debugging through /IWPGW/CL_TGW_FACADE_BWF_V2, respectively
/IWPGW/CL_TGW_TASK_FACADE_BWF and try to derive what methods do what and why, which is incredibly tedious and time consuming (but probably the only way, at least with my current knowledge)

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