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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!

Highlights include:

1) Deployment and configuration
2) Service creation, development, and generation
3) Application development
4) Extensibility
5) Security
6) Lifecycle management
7) SAPUI5
8) SAP Fiori programming model
9) ABAP RESTful programming model
9) SAP Web IDE
10) SAP S/4HANA

SAP Gateway and OData

... 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