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GOTO 2014 • Event Sourcing • Greg Young

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Youtube Summary
This presentation was recorded at GOTO Aarhus 2014. #gotocon #gotoaar
http://gotocon.com

Greg Young - Coined the term CQRS (Command Query Responsibility Segregation)

ABSTRACT
Event Sourcing has been becoming more and more popular over the last few years. Greg has been talking, teaching, and innovating in the Event Sourcing space since 2006. This talk will look in depth at what Event Sourcing is, when it may be valuable (more importantly when its not), and how problems can change when looked at through a different lens. There are many trade offs, misconceptions, and of course FUD associated around Event Sourcing, hopefully we can sort them all out.

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#EventSourcing #CQRS
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Check out the videos and articles by Greg Young on the topic. This one's a good start https://www.youtube.com/watch?v=8JKjvY4etTY
> But if someone can explain the problem better, I'm all ears.

Assuming you mean it...

Here's a youtube video about the benefits and attributes of event-sourcing. https://www.youtube.com/watch?v=8JKjvY4etTY

Though the demo project is presented in the browser, I'm trying to demonstrate that I can model the game of Tic-Tac-Toe using a much smaller and comprehensible (I hope) graph.

Additionally - because these are mathematical graphs I'm speaking of - it means the 'program' that the graph represents - can be expressed as pure math ( which is nifty to say the least )

A classic DFA would have to represent all the permutations of the board like so: https://upload.wikimedia.org/wikipedia/commons/1/1f/Tic-tac-...

teleclimber
Ah, seeing the tic-tac-toe graph and comparing to yours gives a much better idea what you're trying to do. Interesting! Thanks.
I started use Circus. New and in active development. Greg Young mentioned at GOTO talk last year (https://www.youtube.com/watch?v=8JKjvY4etTY&t=2712)

https://github.com/d60/Cirqus/

partisan
Thank you. I hadn't heard of this one, so thanks for linking this and the video.
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