... Acknowledgments ... 19

... Introduction ... 21

... Structure of the Book ... 24

... The Example Application ... 28

1 ... Integrated Development Environment ... 31

1.1 ... Installation ... 33

1.2 ... ABAP-Specific Features ... 39

1.3 ... Eclipse-Specific Features ... 65

1.4 ... Testing and Troubleshooting ... 70

1.5 ... Customization Options with User-Defined Plug-Ins ... 77

1.6 ... The Future of IDEs for ABAP Development ... 85

1.7 ... Summary ... 96

2 ... abapGit ... 99

2.1 ... Theory ... 100

2.2 ... Installation ... 101

2.3 ... Storing and Moving Objects ... 110

2.4 ... Dependency Management ... 122

2.5 ... Branching ... 125

2.6 ... abapGit for Customizing ... 141

2.7 ... Summary ... 142

3 ... New Language Features in ABAP ... 145

3.1 ... Declaring and Creating Variables ... 147

3.2 ... String Processing ... 155

3.3 ... Calling Functions ... 156

3.4 ... Conditional Logic ... 160

3.5 ... Internal Tables ... 167

3.6 ... Object-Oriented Programming ... 188

3.7 ... Search Helps ... 193

3.8 ... Assorted ... 195

3.9 ... Summary ... 198

4 ... Exception Classes and Design by Contract ... 199

4.1 ... Types of Exception Classes ... 201

4.2 ... Designing Exception Classes ... 207

4.3 ... Design by Contract ... 224

4.4 ... Summary ... 232

5 ... ABAP Unit and Test-Driven Development ... 233

5.1 ... Eliminating Dependencies ... 235

5.2 ... Implementing Test Doubles ... 242

5.3 ... Writing and Implementing Unit Tests ... 251

5.4 ... Optimizing the Test Process ... 269

5.5 ... Summary ... 289

6 ... Database Programming with SAP HANA ... 291

6.1 ... The Three Faces of Code Pushdown ... 292

6.2 ... ABAP SQL ... 293

6.3 ... CDS Views and CDS Entities ... 323

6.4 ... ABAP Managed Database Procedures ... 350

6.5 ... Locating and Pushing Down Code ... 359

6.6 ... Summary ... 369

7 ... Business Object Processing Framework ... 371

7.1 ... Manually Defining a Business Object ... 373

7.2 ... Automatically Defining a Business Object Based on a CDS View ... 379

7.3 ... Using BOPF to Write a Dynpro-Style Program ... 383

7.4 ... Unit Testing BOPF Objects with BUnit ... 446

7.5 ... Using a Custom Interface (Wrapper) ... 449

7.6 ... Summary ... 450

8 ... Business Logic Using the ABAP RESTful Application Programming Model ... 453

8.1 ... ABAP RESTful Application Programming Model versus BOPF ... 453

8.2 ... Coding Business Object CDS Entities ... 455

8.3 ... Coding Behavior Definitions and Projections ... 469

8.4 ... Coding Behavior Implementations ... 474

8.5 ... Calling CRUD Operations from ABAP ... 519

8.6 ... Summary ... 520

9 ... Service Layer ... 521

9.1 ... W