Introduction
In the 2018 Advent of Code challenged I solved all the puzzles in Groovy. It is pretty obvious, that choosing good data structure is the most important to obtain Read more
Tag: groovy
Testing Kotlin with Spock Part 3 – Interface default method
Kotlin allows you to put method implementation in an interface. The same mechanism can be found in Java interfaces as default methods (and also Groovy or Scala traits). Read more
Testing Kotlin with Spock Part 2 – Enum with instance method
Testing Kotlin with Spock Part 2 – Enum instance method
The enum class with instance method in Kotlin is quite similar to its Java version, but they are look a bit different Read more
Testing Kotlin with Spock Part 1 – Object
The object keyword in Kotlin creates singleton in a very convenient way. It can be used for example as a state of an operation. Spock Framework is one of the most expressive Read more
Karaf configuration as Groovy file
Introduction
By deafault, Apache Karaf keeps configuration for bundles in the etc directory as flat properties files. We can override configuration for the storing Read more
Tired of exporting your OSGI metatype to client manually?
Feel my pain
We use OSGi, but we don’t deploy our bundles further than testing environment. It is our client who deploys it to production. However, they rarely read Read more
Using Kotlin extensions in Groovy
OSGi Blueprint visualization
What is blueprint?
Blueprint is a dependency injection framework for OSGi bundles. It could be written by hand or generated using Blueprint Maven Plugin. Blueprint file Read more
Do not use AllArgsConstructor in your public API
Introduction
Do you think about compatibility of your public API when you modify classes from it? It is especially easy to miss out that something incompatibly changed Read more
Primitives and its wrapped types compatibility
Introduction
How often do you think about possible changes in your API? Do you consider that something required could become optional in future? How about compatibility Read more