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Become fluent in OData with this comprehensive guide! Use SAP Gateway and OData to connect your SAP and non-SAP systems. Walk through SAP Gateway installation and configuration; then get step-by-step instructions for OData service development, from code-based implementation to the ABAP programming model for SAP Fiori and beyond. Understand the ins and outs of OData consumption during app development: SAPUI5, mobile, and social media applications. Extend the reach of your SAP system with OData!

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... Foreword by Björn Goerke ... 19

... Introduction ... 21

... Acknowledgments ... 25

... Getting Started ... 29

1 ... Introduction to SAP Gateway ... 31

1.1 ... Modern Business Applications ... 32

1.2 ... SAP Gateway for Modern Business Applications ... 44

1.3 ... SAP Gateway in SAP S/4HANA ... 49

1.4 ... Installation and Deployment ... 50

1.5 ... SAP Gateway and Related Products ... 57

1.6 ... Summary ... 64

2 ... Introduction to OData ... 65

2.1 ... OData and REST ... 65

2.2 ... Structure of an OData Service ... 74

2.3 ... OData Operations ... 85

2.4 ... OData Query Options ... 88

2.5 ... OData in SAP Solutions ... 106

2.6 ... SAP Gateway OData Features ... 115

2.7 ... What´s Different with OData 4.0? ... 119

2.8 ... Summary ... 123

3 ... Architecture and Integration ... 125

3.1 ... Gateway Principles ... 125

3.2 ... SAP Gateway Architecture ... 127

3.3 ... Integration with Other Technologies ... 138

3.4 ... ABAP Programming Model for SAP Fiori ... 142
3.5 ... Summary ... 152

4 ... Deployment Options, Installation, and Configuration ... 155

4.1 ... Introduction to SAP Gateway Deployment ... 155

4.2 ... Preparing for Installation and Configuration ... 170

4.3 ... Quick Start Guide ... 173

4.4 ... Installation and Configuration in Detail ... 180

4.5 ... Summary ... 193

... Service Creation ... 195

5 ... Introduction to OData Service Creation ... 197

5.1 ... Methods for Creating an OData Service ... 198

5.2 ... Service Creation Process Overview ... 201

5.3 ... SAP Gateway Toolset ... 205

5.4 ... Steps in the Service Creation Process ... 215

5.5 ... OData Channel Development Paradigm ... 236

5.6 ... Summary ... 243

6 ... Service Development ... 245

6.1 ... Data Model Definition ... 246

6.2 ... Service Registration ... 276

6.3 ... Service Stub Generation ... 282

6.4 ... Service Maintenance ... 284

6.5 ... Incremental Service Implementation and Model Enhancement ... 289

6.6 ... Summary ... 370

7 ... Service Generation ... 371

7.1 ... Generation via RFC/BOR Interface ... 374

7.2 ... Generation via Search Help ... 410

7.3 ... Generation via Redefinition ... 413

7.4 ... Summary ... 432

8 ... ABAP Programming Model for SAP Fiori ... 435

8.1 ... Development of CDS Views ... 437

8.2 ... Modeled Data Sources ... 445

8.3 ... Reference Data Sources ... 450

8.4 ... Adding Annotations to an OData Service ... 456

8.5 ... ABAP Programming Model for SAP Fiori with Classic APIs ... 459

8.6 ... ABAP Programming Model for SAP Fiori with BOPF ... 470

8.7 ... ABAP RESTful Programming Model ... 484

8.8 ... Summary ... 502

... Application Development ... 503

9 ... SAPUI5 Application Development ... 505

9.1 ... Building Blocks of Web Application Development ... 506

9.2 ... Introduction to SAP Fiori and SAPUI5 ... 507

9.3 ... Installing SAPUI5 ... 514

9.4 ... Creating an SAPUI5 Application ... 516

9.5 ... Summary ... 524

10 ... SAP Web IDE ... 525

10.1 ... Installation and Access ... 526
10.2 ... Connecting to SAP Gateway ... 536

10.3 ... OData Sample Services ... 539

10.4 ... Developing SAPUI5 Applications ... 542

10.5 ... SAP Fiori Reference Apps ... 548

10.6 ... OData Model Editor ... 550

10.7 ... Summary ... 554

11 ... Extensibility ... 555

11.1 ... Redefining and Extending OData Services ... 555

11.2 ... Extending SAPUI5 Applications ... 562

11.3 ... Extending SAP Fiori Applications ... 564

11.4 ... Extending SAP S/4HANA Cloud ... 604

11.5 ... Summary ... 609

12 ... Mobile Application Development ... 611

12.1 ... Overview ... 612

12.2 ... Native Application Development ... 614

12.3 ... Hybrid Application Development ... 629

12.4 ... Summary ... 639

13 ... Social Media Application Development ... 641

13.1 ... PHP ... 642

13.2 ... Facebook ... 646

13.3 ... Twitter ... 655

13.4 ..

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