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SAP Gateway and OData: The Essential Book for SAP Fiori, Mobile, and Enterprise Applications



SAP Gateway and OData (2nd Edition) (SAP PRESS) Books Pdf File




If you are looking for a comprehensive guide on how to use SAP Gateway and OData to connect your SAP systems with various devices, platforms, and environments, then this book is for you. In this article, we will give you an overview of what this book offers, why you should read it, and how you can get it.




SAP Gateway And OData (2nd Edition) (SAP PRESS) Books Pdf File



Introduction




SAP Gateway and OData are two key technologies that enable SAP applications to share data with a wide range of devices, technologies, and platforms in a way that is easy to understand and consume. By using REST-based OData (Open Data Protocol) services, SAP Gateway exposes SAP Business Suite functionality as web APIs that can be accessed by any programming language or model. This allows you to create innovative and user-friendly applications that run on mobile devices, browsers, or desktops.


What is SAP Gateway and OData?




SAP Gateway is a component of the SAP NetWeaver Application Server ABAP that provides a framework for developing and activating OData services. OData is a standardized protocol for creating and consuming data APIs that builds on core web technologies like HTTP, AtomPub, and JSON. OData provides a uniform interface for querying and updating data across different data sources, such as relational databases, XML files, or web services.


Why use SAP Gateway and OData?




Using SAP Gateway and OData has many advantages for both developers and end users. Some of them are:


  • You can leverage your existing SAP Business Suite functionality without having to modify or replicate it.



  • You can access your SAP business data from any device or platform that supports HTTP requests.



  • You can use any development tool or framework that supports OData consumption, such as SAPUI5, SAP Web IDE, or Microsoft Visual Studio.



  • You can create user-friendly and responsive applications that improve user satisfaction and productivity.



  • You can reduce development time and cost by using standard protocols and formats.



  • You can benefit from the features and enhancements of the latest OData version 4, such as batch requests, delta queries, asynchronous operations, or complex types.



How to get the book?




If you are interested in learning more about SAP Gateway and OData, you can get the book from the SAP PRESS website. The book is available in both print and electronic formats. You can also download a free sample chapter from the website. The book is written by Carsten Bönnen, Volker Drees, André Fischer, Ludwig Heinz, Karsten Strothmann - experts in SAP Gateway and OData development who have extensive experience in teaching and consulting on these topics.


Overview of the book




The book is divided into four parts: Part I covers the basics of SAP Gateway and OData; Part II explains how to develop and test OData services; Part III shows how to use OData in SAP Fiori apps; and Part IV covers advanced topics such as OData V4, security, and monitoring. The book also includes appendices that provide additional information and resources on SAP Gateway and OData.


Who is the book for?




The book is suitable for anyone who wants to learn how to use SAP Gateway and OData to create web APIs for SAP systems. Whether you are a beginner or an expert, a developer or a consultant, a business user or an IT professional, you will find valuable information and guidance in this book. The book assumes that you have some basic knowledge of SAP systems, ABAP programming, and web technologies.


What are the main topics covered in the book?




The book covers a wide range of topics related to SAP Gateway and OData, such as:


  • How to set up and configure SAP Gateway in your SAP system landscape.



  • How to use the SAP Gateway Service Builder to create and maintain OData service models.



  • How to implement OData service logic using ABAP code or remote function modules.



  • How to test and debug OData services using tools like the SAP Gateway Client, Postman, or Fiddler.



  • How to use OData in SAP Fiori apps to display and update data in the front end.



  • How to use OData V4 features such as batch requests, delta queries, asynchronous operations, or complex types.



  • How to secure and monitor OData services using authentication, authorization, encryption, logging, or tracing.



How is the book structured?




The book follows a logical and practical approach to explain the concepts and techniques of SAP Gateway and OData. Each chapter starts with an introduction that summarizes the main objectives and learning outcomes. Then, the chapter provides a detailed explanation of the topic with examples, screenshots, code snippets, and tips. At the end of each chapter, there is a summary that highlights the key points and a quiz that tests your understanding of the topic. The book also includes several exercises that allow you to practice what you have learned by creating your own OData services and applications.


Highlights of the book




In this section, we will give you a glimpse of some of the topics that are covered in the book. These are not exhaustive but rather illustrative of the depth and breadth of the book.


How to set up and configure SAP Gateway




In Chapter 2, you will learn how to install and activate SAP Gateway in your SAP system landscape. You will also learn how to configure the basic settings for SAP Gateway, such as defining system aliases, registering service groups, or enabling CORS. You will also learn how to use the SAP Gateway hub deployment option, which allows you to centralize your OData services on a separate server from your back-end systems.


How to develop and test OData services




In Part II of the book, you will learn how to create and maintain OData service models using the SAP Gateway Service Builder. You will learn how to define entity types, entity sets, associations,