Clean Core for SAP

Preface ... 15

Who This Book Is For ... 15

How to Read This Book ... 15

Acknowledgments ... 17

I Foundations of Clean Core ... 19

1. What Is Clean Core? ... 21

1.1 ... Architectural Shift: From Custom Core to Clean Core ... 22

1.2 ... Principles and Execution ... 27

1.3 ... Clean Core: Common Misconceptions ... 35

1.4 ... Summary ... 39

2. Process Dimension ... 41

2.1 ... Defining a Clean Process ... 41

2.2 ... Balancing Standards and Innovation via Business Process Management ... 43

2.3 ... Fit to Standard as the Anchor ... 50

2.4 ... Tools for Fit to Standard and Process Discovery and Design ... 55

2.5 ... Summary ... 59

3. Extending the Core with Innovation ... 61

3.1 ... Why Clean Extensions Promote Innovation ... 62

3.2 ... Clean Core Extension Levels ... 66

3.3 ... Extension Types ... 83

3.4 ... SAP Application Extension Methodology ... 85

3.5 ... Summary ... 87

4. Connecting the Core Through Integrations ... 89

4.1 ... Defining Clean Integrations ... 90

4.2 ... Path to a Clean Core ... 91

4.3 ... SAP Integration Solution Advisory Methodology ... 96

4.4 ... Integration Domains, Integration Styles, and Use Case Patterns ... 99

4.5 ... Tools and Platforms ... 105

4.6 ... Integration Governance ... 110

4.7 ... Summary ... 114

5. Data at the Core ... 115

5.1 ... Defining Clean Data ... 116

5.2 ... Path to Clean Data ... 118

5.3 ... Tools and Technologies ... 127

5.4 ... Summary ... 133

6. Operating the Core ... 135

6.1 ... The Foundation That Makes the Clean Core Real ... 136

6.2 ... What Clean Operations Encompasses ... 137

6.3 ... Tools and Enablers ... 150

6.4 ... Summary ... 152

II Building Clean Extensions ... 155

7. Extensibility Models ... 157

7.1 ... On-Stack Extensions ... 159

7.2 ... Side-by-Side Extensions ... 179

7.3 ... Hybrid Extensions ... 187

7.4 ... Summary ... 190

8. Extension Patterns and Architecture ... 193

8.1 ... The Requirement Triage ... 194

8.2 ... Extending Reports ... 195

8.3 ... User Interface Extensions ... 206

8.4 ... Extending the Data Model ... 214

8.5 ... Business Logic Extensions ... 225

8.6 ... Extending Outputs ... 234

8.7 ... Extending Process Flows ... 238

8.8 ... Building Custom Applications ... 242

8.9 ... Summary ... 243

9. Programming Methodologies ... 245

9.1 ... SAP Application Extension Methodology ... 246

9.2 ... SAP Cloud Application Programming Model ... 260

9.3 ... ABAP RESTful Application Programming Model ... 274

9.4 ... ABAP Cloud ... 297

9.5 ... Summary ... 316

10. Development Tools ... 319

10.1 ... The Landscape: SAP Build and Joule ... 320

10.2 ... Joule Studio ... 324

10.3 ... Intent-Driven Development ... 327

10.4 ... Powering Intent with Business Context ... 333

10.5 ... Trusted Governance and the Managed Runtime ... 334

10.6 ... Side-by-Side Extensibility as the Default ... 335

10.7 ... Availability, Adoption, and the Commercial Model ... 336

10.8 ... Summary ... 338

11. ABAP Test Cockpit ... 339

11.1 ... ABAP Test Cockpit as a Governance Control ... 341

11.2 ... ABAP Test Cockpit in the SAP BTP ABAP Environment ... 344

11.3 ... ABAP Test Cockpit in SAP S/4HANA ... 347

11.4 ... Custom ABAP Test Cockpit Checks ... 351

11.5 ... Summary ... 354

III Clean Core Journey ... 357

12. Mindset ... 359

12.1 ... Guidelines ... 359

12.2 ... Extending the Mindset to Implementation Partners ... 363

12.3 ... Summary ... 364

13. Clean Core in a Greenfield vs. Brownfield Implementation ... 365

13.1 ... Greenfield ... 366

13.2 ... Brownfield and Bluefield ... 367

13.3 ... Technical Debt ... 371

13.4 ... From Principles to Practice ... 376

13.5 ... Summary ... 379

14. RISE with SAP ... 381

14.1 ... RISE with SAP Methodology ... 381

14.2 ... Solution Standardization Board ... 387

14.3 ... Governance in Operation ... 391

14.4 ... Summary ... 398

15. Clean Core Governance and Maturity Framework ... 399

15.1 ... Clean Core Governance and Maturity Framework ... 399

15.2 ... TnX Manufacturing: Practical Example ... 411

15.3 ... Summary ... 419

The Authors ... 421

Index ... 423