Piotr Wyczesany



He wrote his first line of code in 1993. Since then, a lot has changed in the software development world, but great majority of us didn't notice that. He creates software professionally since 2005. During that time he worked in small companies, big corporations and he even launched a startup. For over a dozen of last months he is proactively interrested in complex domains modeling (Domain-Driven Design) and writes about it on his blog : . He is a member of SSEPP, and a initiator and organizer of Cracow's #cqrsbeers meetings. He lives and works in Cracow.


DDD/CQRS/ES in practice - Axon to the rescue

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Have you ever heard about Aggregate Roots, Entities, Commands, Events, Event Stores, Sagas, Domain-Driven Design, Command Query Responsibility Segregation, or Event Sourcing? If so, then you probably heard that we don't like frameworks in that world. We like to focus on the actual problems - the Domain. Nevertheless, when we write our systems, we still need some boilerplate code to handle the infrastructure. In Java, the Axon Framework comes to the rescue. Come, and see some examples how to use it, and how it helps concentrating on the Domain.

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