Blogs tagged design pattern

Dear community, the Clean ABAP styleguide recommends to carefully check if a Singleton design pattern should be applied. Some time ago I’ve seen a use case of Singleton with a dangerous assumption that finally led to an error. I’ve set... Read More »

Introduction I would like to propose a new design pattern for organizing ABAP OO development and unit testing in a universal way. This design pattern is based on interface and factory design pattern. It has the following important features One... Read More »

Introduction The example below are based on my need to hold and transfer two fields from LIKP. It is easy to expand to hold other table structures or single fields. The datastore could be used to replace the usage of MEMORY ID, which are not very... Read More »

There are design pattern. And there are design pattern. There are some I use really often because they are clear to me in use and technique, like the singleton or the factory pattern, the observer and some others. The decorator pattern for some... Read More »

This is an interview question from Wechat development team. The candidates are required to answer with JavaScript. Nevertheless I think it is also beneficial for an ABAPer if we master the design pattern contained in this question – Publish... Read More »

Example1 – how to enhance a big / complex function with your own logic A Better Solution Example 2 – Write performance measurement code without polluting your productive code A Better Solution AOP in Java Example 3 – Replace... Read More »

The Intent of the composite design pattern is stated in the GoF book as “Compose Objects into tree structures to represent part-whole hierarchies. Composite lets clients treat individual objects and compositions of objects... Read More »

Standardization is a key aspect of SAP BW Layered, Scalable Architecture (LSA), SAP’s best practice in Enterprise Data Warehousing. One of the ways to realize standardization in the data staging process is using Data Flow Templates. SAP BW... Read More »

Topic for today is how to structure the ABAP program code to suit best some important needs. Before you even start reading, please consider I am not a hardcore ABAP Objects guy. Not that I don`t know how to do Objects, I was originally a JAVA... Read More »

I could give number of reasons why I think we should commonly use Object Oriented Programming style and probably equal number of reasons why I think is it so magical. Anyhow, this blog is not intended to write a thesis, but to share with you, the... Read More »