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Adventure-Guide notes quest 2

< Quest 1 - 🏠Home - Quest 3 >

In this step the participants will use a predefined Azure Event Grid Topic. Each participant will need to create his personal Event Subscription which points to his Service Bus queue. The Service Bus will be the receiver of the event. In a further step, a LogicApp will read out the event for processing.

The ABAP SDK will send the events towards the Event Grid Topic. These events will then be forwarded to all the Subscriptions. In order to make sure each participant receives his own events, there is a filter based on the SAP User of the participants. The SAP user is part of the Event.data send by the ABAP SDK.

Example Advanced filter

EventSubscriptionFilter

Example Event Message

{
    "subject": "OnlineShop/Order/Created",
    "eventtype": "onlineshop.order.created",
    "id": "00000015",
    "data": {
        "ordernr": "00000015",
        "createdby": "DEVELOPER103",
        "event": "created",
        "date": "2023-02-17",
        "time": "01:31:06"
    },
    "dataversion": "2.0",
    "metadataversion": "1",
    "eventtime": "2023-02-17T09:31:07Z",
    "topic": "/subscriptions/22a9ba10-8328-4f21-baeb-50728288a33c/resourceGroups/SharedResources/providers/Microsoft.EventGrid/topics/EventsFromOnlineShop"
}

Azure Setup
Azure Event Grid Topic EventsFromOnlineShop
URL https://eventsfromonlineshop.northeurope-1.eventgrid.azure.net/api/events
Azure Service Bus Namespace ServiceBusForSAPOnlineShop

Note : There is a Event Subscription allmessages which will receive all events from all participants. The corresponding queue is allmessages.

SAP Setup
RFC Destination for Azure Event Grid Topic AzEGTOrderEventsASDK00
ABAP SDK Interface ID AZEGT_P00
Function Module Z_ONLINESHOP_SDK_BUS This function module is called by the Online Shop RAP and calls the ABAP SDK
Surrounding Class lsc_zr_onlineshop_ms1->save_modified --> ZCL_MS1=>abap_sdk_read --> Z_ONLINESHOP_SDK_BUS

ABAP SDK Tables

Table (sm30) Description
ZREST_CONFIG link to RFC destination
ZREST_CONF_MISC link to Interface type, EventGrid in this case
ZADF_CONFIG contains the EventGrid Access Key
ZADF_EHUB_POLICY not used for EventGrid, there is no sender policy