Software Engineering Architecture Lab

Service Layer: One Front Door for Every Use Case

Define application boundaries, transactions and orchestration in one place. Lesson 3 of Level 5: Enterprise Application Architecture.

Level 5 · Enterprise Application Architecture · Lesson 3 of 10

Define application boundaries, transactions and orchestration in one place.

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All lessons in Enterprise Architecture

  1. Layered Architecture: Presentation, Domain, Data
  2. Transaction Script vs Domain Model vs Table Module
  3. Service Layer: One Front Door for Every Use Case
  4. Active Record vs Data Mapper (and the Gateways)
  5. Repository: A Collection-Like Home for Aggregates
  6. Unit of Work, Identity Map & Lazy Load
  7. MVC, Front Controller & Friends
  8. Remote Facade & DTO: Designing Across the Network
  9. Optimistic vs Pessimistic Offline Locks
  10. Enterprise Integration Patterns: Messaging Between Systems