EventStorming - A Gentle Introduction

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EventStorming A Gentle Introduction

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Henrique Silvério Software Engineer @ IM+ ● github.com/HenriqueSilverio ● twitter.com/RikeSilverio

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Background "In case you haven’t realized it, building computer systems is hard." — Martin Fowler "Yet the most signiﬁcant complexity of many applications is not technical. It is in the domain itself, the activity or business of the user." — Eric Evans

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(Mis)understanding “It's developer's (mis)understanding, not expert knowledge that gets released into production”. — Alberto Brandolini

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Concepts ● Domain ● Subdomain ○ Core ○ Support ○ Generic ● Bounded Contexts ● Ubiquitous Language

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EventStorming ● Alberto Brandolini ● http://ziobrando.blogspot.com/2013/11/introd ucing-event-storming.html ● https://leanpub.com/introducing_eventstorming

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Objective Knowledge sharing about: ● Business goals ● Product goals

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Building blocks

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1. Unstructured Exploration

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2. Timelines

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3. Pain Points

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4. Pivotal Events

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5. Commands

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6. Policies

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7. Read Models

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8. External Systems

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9. Aggregates

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10. Bounded Contexts

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Outcome

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Standing on the shoulders of Giants