Object-Oriented Programming with ABAP Objects
2nd Edition
Published on 28. October 2015
Book
Hardback
470 pages
978-1-59229-993-5 (ISBN)
Description
There's more to ABAP than procedural programming. If you're ready to leap into the world of ABAP Objects-or are already there and just need a refresher-then this is the book you've been looking for. Thanks to explanations of basic concepts and practical examples that show OOP in action, you'll find answers to questions you didn't even know you had. Highlights include:- Working with objects- Encapsulation and implementation hiding- Object initialization and cleanup- Inheritance - Polymorphism - Component-based design- Exceptions- ABAP Unit- ALV object model- Object Services- BOPF
Highlights:
Working with objects
Encapsulation and implementation hiding
Object initialization and cleanup
Inheritance
Polymorphism
Component-based design
Exceptions
ABAP Unit
ALV object model
Object Services
BOPF
More details
Series
Language
English
Place of publication
Bonn
Germany
Target group
Professional and scholarly
Edition type
New edition
Product notice
sewn/stitched
Cloth over boards
Dimensions
Height: 240 mm
Width: 184 mm
Thickness: 35 mm
Weight
1023 gr
ISBN-13
978-1-59229-993-5 (9781592299935)
Schweitzer Classification
Other editions
Previous edition
Book
02/2009
1st Edition
SAP PRESS
€69.95
Article exhausted; check for reprint
Persons
Author
James Wood is the founder and principal consultant of Bowdark Consulting, Inc., an SAP NetWeaver consulting and training organization. With more than seven years of experience as a software engineer, James specializes in custom development in the areas of ABAP Objects, Java/J2EE, SAP NetWeaver Process Integration, and the SAP NetWeaver Portal.
Before starting Bowdark Consulting, Inc. in 2006, James was an SAP NetWeaver consultant for SAP America, Inc. and IBM Corporation where he was involved in multiple SAP implementations. He holds a master's degree in software engineering from Texas Tech University. To learn more about James and the book, please check out his website at http://www.bowdarkconsulting.com.
R. Joseph Rupert is a senior technical consultant at Bowdark Consulting, Inc. Before joining Bowdark, Joe worked for several health care technology companies building complex search engines for querying biomedical research, patient lab and clinical data.
Content
Introduction . 15
PART I Introduction
1 . Introduction to Object-Oriented Programming . 23
1.1 . The Need for a Better Abstraction . 23
1.2 . Classes and Objects . 26
1.3 . Establishing Boundaries . 30
1.4 . Reuse . 34
1.5 . Object Management . 38
1.6 . UML Tutorial: Class Diagram Basics . 38
1.7 . Summary ... 45
2 . Getting Started with Objects . 47
2.1 . Defining Classes . 47
2.2 . Working with Objects . 59
2.3 . Building your First Object-Oriented Program ... 78
2.4 . Working with Global Classes ... 84
2.5 . Developing Classes Using the ABAP Development Tools in Eclipse ... 97
2.6 . New Syntax Features in Release 7.40 ... 114
2.7 . UML Tutorial: Object Diagrams ... 117
2.8 . Summary ... 119
3 . Encapsulation and Implementation Hiding . 121
3.1 . Lessons Learned from Procedural Programming . 121
3.2 . Data Abstraction with Classes . 131
3.3 . Defining Component Visibilities . 133
3.4 . Designing by Contract . 139
3.5 . UML Tutorial: Sequence Diagrams . 140
3.6 . Summary . 142
4 . Object Initialization and Cleanup . 143
4.1 . Understanding the Object Creation Process . 143
4.2 . Working with Constructors . 148
4.3 . Object-Creational Patterns ... 152
4.4 . Garbage Collection . 157
4.5 . Tuning Performance ... 159
4.6 . UML Tutorial: State Machine Diagrams ... 161
4.7 . Summary . 163
5 . Inheritance and Composition . 165
5.1 . Generalization and Specialization ... 166
5.2 . Inheriting Components ... 175
5.3 . The Abstract and Final Keywords ... 183
5.4 . Inheritance vs. Composition . 191
5.5 . Working with ABAP Refactoring Tools ... 194
5.6 . UML Tutorial: Advanced Class Diagrams ... 198
5.7 . Summary . 201
6 . Polymorphism ... 203
6.1 . Object Reference Assignments Revisited ... 204
6.2 . Dynamic Method Call Binding ... 210
6.3 . Interfaces ... 212
6.4 . UML Tutorial: Advanced Class Diagrams Part II ... 229
6.5 . Summary ... 232
7 . Component-Based Design Concepts ... 233
7.1 . Understanding the SAP Component Model . 233
7.2 . The Package Concept ... 236
7.3 .. Package Design Concepts ... 258
7.4 . UML Tutorial: Package Diagrams ... 260
7.5 . Summary . 262
8 . Error Handling with Exception Classes . 263
8.1 . Lessons Learned from Prior Approaches . 263
8.2 . The Class-Based Exception Handling Concept ... 266
8.3 . Creating Exception Classes ... 268
8.4 . Dealing with Exceptions ... 275
8.5 . Raising and Forwarding Exceptions ... 281
8.6 . UML Tutorial: Activity Diagrams ... 294
8.7 . Summary ... 297
9 . Unit Tests with ABAP Unit ... 299
9.1 . ABAP Unit Overview ... 300
9.2 . Creating Unit Test Classes . 301
9.3 . Assertions in ABAP Unit ... 307
9.4 . Managing Dependencies ... 310
9.5 . Case Study: Creating a Unit Test in ABAP Unit ... 313
9.6 . Executing Unit Tests ... 316
9.7 . Evaluating Unit Test Results ... 319
9.8 . Moving Towards Test-Driven Development ... 321
9.9 . Behavior-Driven Development ... 322
9.10 . UML Tutorial: Use Case Diagrams ... 323
9.11 . Summary ... 328
PART II . Case Studies
10 . ABAP Object Services ... 331
10.1 . Introduction ... 331
10.2 . Working with the Persistence Service ... 335
10.3 . Querying Persistent Objects with the Query Service ... 357
10.4 . Modeling Complex Entity Relationships ... 362
10.5 . Transaction Handling with the Transaction Service ... 369
10.6 . UML Tutorial: Communication Diagrams ... 375
10.7 . Summary ... 377
11 . Business Object Development with the BOPF ... 379
11.1 . What is the BOPF? ... 379
11.2 . Anatomy of a Business Object ... 382
11.3 . Working with the BOPF Client API ... 397
11.4 . Where to Go From Here ... 408
11.5 . UML Tutorial: Advanced Sequence Diagrams ... 411
11.6 . Summary ... 413
12 . Working with the SAP List Viewer ... 415
12.1 . What is the SAP List Viewer? ... 415
12.2 . Introducing the ALV Object Model ... 418
12.3 . Developing a Reporting Framework on top of ALV ... 421
12.4 . UML Tutorial: Advanced Activity Diagrams ... 430
12.5 . Summary . 432
13 . Where to Go From Here . 433
13.1 . Object-Oriented Analysis and Design . 433
13.2 . Design Patterns . 434
13.3 . Reading and Writing ABAP Objects Code . 435
13.4 . Summary .... 436
. Appendices .. 437
A . Installing the Eclipse IDE ... 439
A.1 . Installing the Java SDK ... 439
A.2 . Installing Eclipse ... 440
A.3 . Installing the ABAP Development Tools ... 442
A.4 . Where to Go to Find Help ... 445
B . Debugging Objects ... 447
B.1 . Understanding Debugger Types ... 447
B.2 . Debugging Objects Using the Classic Debugger ... 447
B.3 . Debugging Objects Using the New Debugger ... 455
C . Bibliography ... 459
D . The Authors ... 461