State Or Events? Which Shall I Keep?

Overview of Event Sourcing, DDD, OOP and Event-Driven Architectures with Spring Cloud Stream

Transcript

1. CLOUD EVENT-DRIVEN ARCHITECTURES WITH SPRING CLOUD STREAM JakubPilimon
2. WHOAMI SPRING DEVELOPER ADVOCATE AT PIVOTAL Blogger, Programmer and Speaker Loves to tackle complex enterprises with: Domain-Driven Design, Test-Driven Development and Spring tools. Being a microservice freak, architecture is his main area of interest too. Also, here is his DZone MVB awarded blog: pillopl.github.io Co-founder of #dddbyexamples initiative: github.com/ddd-by-examples JakubPilimon
3. LIVE CODING AGENDA ‣ OOP MODELING WITH TDD ‣ EVENT SOURCING ‣ EVENT-DRIVEN ARCHITECTURE JakubPilimon
4. EVENTS JakubPilimon
5. EVENTS AND COMMANDS JakubPilimon
6. INVARIANTS JakubPilimon
7. EFFECT OF EVENTS ON INVARIANTS JakubPilimon
8. JakubPilimon
9. ACCOUNTING CREDIT CARD RISK PAYMENTS NOTIFICATION When there is a withdrawal in accounting Risk has to send information to credit bureau After doing so, outgoing payment have to be created And client has to be informed via e-mail JakubPilimon
10. ACCOUNTING CREDIT CARD RISK PAYMENTS NOTIFICATION CreditBureauNotified CreditBureau Call CardWithdrawn PaymentCreated JakubPilimon
11. ACCOUNTING CREDIT CARD RISK PAYMENTS NOTIFICATION Call Credit Bureau CreatePayment ? CardWithdrawn NotifyClient JakubPilimon
12. ACCOUNTING CREDIT CARD ? JakubPilimon
13. QUESTIONS? JakubPilimon https://github.com/ddd-by-examples/event-source-cqrs-sample https://github.com/pilloPl/credit-cards-producer https://github.com/pilloPl/credit-cards-consumer