ddd.pdf

Transcript

1. 1.

   DOMAIN DRIVEN DESIGN Joe Wang

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   ERIC EVANS 2003 http://domainlanguage.com/

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   Overview from wikipedia

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   So, What’s DDD?

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   Traditional Layer Architecture CONTROLL ER SERVICES DAO INDEX/ RESTFUL BUSINESS

   LOGIC MODEL
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   DDD Architecture

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   DDD Architecture

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   A Real World Demo

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   The Difference - OO vs procedural programming - Rich model

   vs anemic model - The placement of business logic - logic coherence vs dispersion - focus on business vs focus on implementation - extensibility - Domain model first vs DB first
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    Keywords of DDD - Bounded Context - Ubiquitous Language -

    CI - Context Map
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    Some Concepts in DDD - Value Object - Entity -

    Aggregate - Domain Event - Repository - Service - Factory
12. 12.

    Some Concepts in DDD

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    DDD & GraphQL Use GraphQL as Endpoint GraphQL

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    DDD & MicroService

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    DDD & MicroService The boundary of a MicroService

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    DDD & MicroService The layer inside a MicroService