Java-Champions @ JUGS
When, why and how to CQRS
Sebastian Daschner, Java freelancer
Most of today’s enterprise applications base on a CRUD data model that is simple and straightforward to implement. Another concept of how to model applications is Command Query Responsibility Segregation (CQRS) that enables interesting solutions and use cases, especially with rising demands of scalability. In this session I’ll show the concept and benefits of CQRS, to which other buzzwords such as eventual consistency, event-driven architectures and event sourcing it is related and how to realize a CQRS application. The questions whether this concept can be realized with Java EE technology, where the framework already offers solutions and where it has to be extended will be answered. Most of the time will be spent live-coding and examining the 'devil is in the details' cases of both approaches.
language: English (could be German too)
Sebastian Daschner is a Java freelancer working as a Consultant / Software Developer / Architect and is enthusiastic about programming and Java (EE). He is participating in the JCP, serving in the JSR 370 and 374 Expert Groups and hacking on various open source projects on Github. He is a Java Champion, JavaOne 2016 Rockstar and has been working with Java for more than 7 years. Besides Java, Sebastian is also a heavy user of Linux and container technologies like Docker. He evangelizes computer science practices on his blog and on twitter.com/DaschnerS. When not working with Java, he also loves to travel the world - either by plane or motorbike.
Making the Most of Your Gradle Build
Andres Almiray, Canoo Engineering AG
Maven has been the dominant build tool in the Java space for quite some time now. While it's a proven technology it's certainly aged, there are new and better alternatives out there. Gradle is perhaps the one that's better positioned to succeed Maven as the build tool of choice. Since 2012 Gradle adoption has skyrocketed. Not only do popular and big open source projects, such as Spring and its portfolio, Hibernarte and Groovy, have migrated to Gradle but large enterprises too. Not to forget that Gradle is the defacto build tool for Android applications since 2013.
Andres is a Java/Groovy developer and a Java Champion with more than 17 years of experience in software design and development. He has been involved in web and desktop application development since the early days of Java. Andres is a true believer in open source and has participated on popular projects like Groovy, Griffon, and DbUnit, as well as starting his own projects (Json-lib, EZMorph, GraphicsBuilder, JideBuilder). Founding member of the Griffon framework and Hackergarten community event.