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Posts published in “Service Implementation Guide”

HowTo implement Backend Services in SAP Business Systems, such as ABAP Proxies

ABAP Inbound Proxy: Inside-Out vs. Outside-In

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Implementing ABAP proxies is quite simple. You generate the ABAP classes via SPROXY (which connects to your ESR) and implement the code. Regarding the Service Interface Design and Implementation you…

ABAP Outbound Proxy: Set EOIO Queue

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In order to use EOIO (Exactly-Once-In-Order), you have to pass the Queue ID to the class before calling the Outbound Proxy in your ABAP Program. It can be a static value like…

WHINT Proxy FileTransfer

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Whenever possible, please try to avoid file-based integration (flat or not, going through the file system is not a good integration pattern), see blog post: Avoid using flat files!. However, sometimes…

ABAP Inbound Proxy: Extended XML handling

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If you can not differentiate between existing XML tags or empty contents or if you use the CDT (Data Type/GDT based on the Core Data Type) Indicator (with values true/false), you…

ABAP Outbound Proxy: Request Acknowledgements

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To request System- or Application-Acknowledgements, you have to request them before calling the Outbound Proxy in your ABAP Program: DATA: l_proxy TYPE REF TO z…, acknowledgment_request_details TYPE PRX_ACK_REQUEST_DETAILS, async_messaging TYPE REF…