Carsten Bönnen works for SAP SE as a product management director in the Adoption Enablement Team for SAP Business Technology Platform (SAP BTP). He received his MA in computer linguistics and artificial intelligence in Germany in 2001 and started working at SAP that same year. Initially a Java developer and trainer, he soon became a consultant and led strategic projects in the then-new field of enterprise portals. Since 2002, he has worked as a product manager for SAP NetWeaver Portal, SAP NetWeaver Visual Composer, SAP Gateway, and SAP API Management. For another four years, he has worked as the director for technology strategy for the strategic alliance management at Microsoft.

Use SAP Gateway and OData services with SAP Business Application Studio, SAPUI5, SAP S/4HANA, and more

... Foreword by Jürgen Müller ... 17

... Introduction ... 19

... Acknowledgments ... 23

... PART I: Getting Started ... 25

1 ... Introduction to SAP Gateway ... 27

1.1 ... Modern Business Applications ... 28

1.2 ... SAP Gateway for Modern Business Applications ... 39

1.3 ... SAP Gateway in SAP S/4HANA ... 43

1.4 ... Installation and Deployment ... 45

1.5 ... SAP Gateway and Related Products ... 52

1.6 ... Summary ... 57

2 ... Introduction to OData ... 59

2.1 ... OData and REST ... 59

2.2 ... Structure of an OData Service ... 67

2.3 ... OData Operations ... 76

2.4 ... OData Query Options ... 78

2.5 ... OData in SAP Solutions ... 94

2.6 ... SAP Gateway OData Features ... 101

2.7 ... What¿s Different with OData 4.0? ... 104

2.8 ... Summary ... 108

3 ... Architecture and Integration ... 109

3.1 ... Gateway Principles ... 109

3.2 ... SAP Gateway Architecture ... 111

3.3 ... Integration with Other Technologies ... 121

3.4 ... ABAP Programming Model for SAP Fiori ... 125

3.5 ... ABAP RESTful Application Programming Model ... 133

3.6 ... Summary ... 141

4 ... Deployment Options, Installation, and Configuration ... 143

4.1 ... Introduction to SAP Gateway Deployment ... 143

4.2 ... Preparing for Installation and Configuration ... 155

4.3 ... Quick Start Guide ... 157

4.4 ... Installation and Configuration in Detail ... 164

4.5 ... Summary ... 175

... PART II: Service Creation ... 177

5 ... Introduction to OData Service Creation ... 179

5.1 ... Methods for Creating an OData Service ... 180

5.2 ... Service Creation Process Overview ... 182

5.3 ... SAP Gateway Toolset ... 186

5.4 ... Steps in the Service Creation Process ... 196

5.5 ... OData Channel Development Paradigm ... 216

5.6 ... Summary ... 221

6 ... Service Development ... 223

6.1 ... Data Model Definition ... 224

6.2 ... Service Registration ... 250

6.3 ... Service Stub Generation ... 255

6.4 ... Service Maintenance ... 257

6.5 ... Incremental Service Implementation and Model Enhancement ... 261

6.6 ... Summary ... 335

7 ... Service Generation ... 337

7.1 ... Generation via RFC/BOR Interface ... 340

7.2 ... Generation via Search Help ... 372

7.3 ... Generation via Redefinition ... 374

7.4 ... Generation via Analytical Queries ... 382

7.5 ... Summary ... 392

8 ... ABAP Programming Model for SAP Fiori ... 395

8.1 ... Development of CDS Views ... 397

8.2 ... Modeled Data Sources ... 403

8.3 ... Referenced Data Sources ... 408

8.4 ... Adding Annotations to an OData Service ... 413

8.5 ... ABAP Programming Model for SAP Fiori with Classic APIs ... 416

8.6 ... ABAP Programming Model for SAP Fiori with BOPF ... 426

8.7 ... Summary ... 438

9 ... ABAP RESTful Application Programming Model ... 441

9.1 ... Data Modeling ... 443

9.2 ... Business Service Exposure ... 455

9.3 ... Service Consumption ... 467

9.4 ... Transactional Behavior ... 471

9.5 ... Generating an Application Using ABAP Development Tools ... 491

9.6 ... Entity Manipulation Language ... 495

9.7 ... Business Object Characteristics ... 499

9.8 ... Summary ... 504

... PART III: Application Development ... 505

10 ... SAPUI5 Application Development ... 507

10.1 ... Building Blocks of Web Application Development ... 508

10.2 ... Introduction to SAP Fiori and SAPUI5 ... 509

10.3 ... Creating an SAPUI5 Application ... 515

10.4 ... Summary ... 517

11 ... SAP Business Application Studio ... 519

11.1 ... Setting Up SAP Business Application Studio ... 520

11.2 ... Connecting to SAP Gateway ... 524

11.3 ... OData Sample Services ... 532

11.4 ... Developing SAP Fiori Applications ... 534

11.5 ... Summary ... 549

12 ... Extensibility ... 551

12.1 ... Redefining and Extending SAP Gateway OData Services ... 551

12.2 ... Extending OData Services in SAP S/4HANA ... 581

12.3 ... Extending SAP Fiori Applications Using SAPUI5 Flexibility ... 601

12.4 ... Summary ... 607

13 ... Mobile Application Development ... 609

13.1 ... Overview ... 610

13.2 ... Mobile Development Kits ... 611

13.3 ... Native Application Development ... 628

13.4 ... Summary ... 646

14 ... Social Media Application Development ... 647

14.1 ... PHP ... 648

14.2 ... Facebook ... 652

14.3 ... X ... 659

14.4 ... Sina Weibo (êVòQî¿îé) ... 663

14.5 ... Summary ... 674

15 ... Enterprise Application Development ... 675

15.1 ... Microsoft Excel ... 676

15.2 ... Microsoft SharePoint/Microsoft 365 ... 685

15.3 ... Microsoft Visual C# Windows Desktop ... 692

15.4 ... Microsoft ASP.NET ... 697

15.5 ... Summary ... 697

... PARt IV: Administration ... 699

16 ... Lifecycle Management: Testing, Service Deployment, and Operations ... 701

16.1 ... Testing ... 702

16.2 ... Service Deployment ... 710

16.3 ... Operations ... 720

16.4 ... DevOps and SAP Gateway Development ... 728

16.5 ... Summary ... 730

17 ... Security ... 731

17.1 ... Network and Communication Security ... 731

17.2 ... User Management and Authorizations ... 739

17.3 ... Single Sign-On and Authentication Options ... 741

17.4 ... Recommended Authentication Options ... 750

17.5 ... Summary ... 766

... Appendices ... 769

A ... Advanced Topics ... 769

B ... The Authors ... 793

... Index ... 797