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Posts published in “Interface Modeling”

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…

Usage Dependencies in Software Components

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There is a useful functionality to reuse objects from one software component in another one. You can define this usage dependency in SLD or in ESR (software dependencies & underlying…

SAP Plain J2SE Adapter Engine in Proxy Mode

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In case you want to track your HTTP requests (e.g. to SOAP / HTTP / REST receivers), the SAP Plain Adapter Engine might offer a nice surprise to you. You…

WHINT MessageMissing Alert

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Functionality How can we make sure if a message was processed at all with SAP PI/PO? Today, no alert means no error. But what if the sender system did not place…

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…

Decoupling and service-orientation at Amazon

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Great article about Amazon´s transformation about a decade ago from an online book-seller into a billion-dollar, IaaS/cloud computing leader at API Evangelist It is a clear and direct mandate, issued by Jeff…

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…