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Use design patterns to step up your object-oriented ABAP game, starting with MVC! Want to create objects only when needed? Call objects only when required, minimizing runtime and memory costs? Reduce errors and effort by only coding an object once? Future-proof your code with a flexible design? Design patterns are the answer! With this guide, you´ll get practical examples for every design pattern that will have you writing readable, flexible, and reusable code in no time!

Creational Design Patterns
Create objects with the abstract factor, builder, factory, lazy initialization, multiton, prototype, and singleton design patterns

Structural Design Patterns
Allow objects to interact and work together without interdependency with the adapter, bridge, composite, data access object, decorator, fa‡ade, flyweight, property container, and proxy design patterns.

Behavioral Design Patterns
Increase the flexibility of your object communication with the chain of responsibility, command, mediator, memento, observer, servant, state, strategy, template method, and visitor design patterns.

Highlights:

MVC (model, view, controller) pattern
Singleton pattern
Factory pattern
Builder pattern
Observer pattern
Visitor pattern
Lazy initialization pattern
Template method
Strategy pattern
Decorator pattern
ABAP-specific examples
Anti-patterns

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Koseoglu, Kerem
Dr. Kerem Koseoglu is a freelance SAP software architect, working professionally since 2000. He specializes in the development of comprehensive applications using design patterns and also conducts technical training related to design patterns. He has participated in global software development projects, taking diverse roles including lead architect, team lead, developer, technical advisor, instructor, and project manager. His former publications include four books and countless articles for technical magazines in Turkey. He has a Ph.D. in organizational behavior.

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