How to split a monolith and legacy code via code-sketches

Legacy-code monoliths are one of these challenges which lead often to controversy discussions and questions like: What are the pros and cons of getting rid of the code-base? How to get rid of it, via a big-bang or splitting it step by step? What are the efforts? In this post I'd like to describe a … Continue reading How to split a monolith and legacy code via code-sketches

Application and system sketching based on code templates

On almost every desk on this planet lies a pen and a piece of paper for notes. In the programmers or software-architects world notes are especially technical notes about a component or system – drawn e.g. as UML-sketches on a paper or via an UML tool. However a few minutes and discussions later the names … Continue reading Application and system sketching based on code templates

Prototype sketching with Apache Camel

Almost every new project contains legacy code, legacy components or systems. Besides the business-logic a lot of boilerplate code has to be created; only to realize the integration of the legacy parts. Additionally at the beginning of a project it is not clear if the chosen approach works to integrate the legacy components. Coding different … Continue reading Prototype sketching with Apache Camel

Sketching around external APIs

Writing code that uses external APIs is not trivial and testing it neither. This post describes how to drive code around external APIs initially and is the second part of How to drive code by sketching it. The test-approach is only one of a couple of possibilities and used just to outline how to drive … Continue reading Sketching around external APIs

How to drive code by sketching it

Actually, there are numerous of ways to sketch software or pieces of it. Drawing with a pen on a paper or on a white-board, using an UML tool et cetera. The goal is just to get things simplified and get an abstract view of it to find the core issues. With the introduction of Test-driven … Continue reading How to drive code by sketching it