Grails Service
Topics
- What is and why Grails Service?
- Create, inject and use a service
- Declarative Transaction
- Service scope
- Exposing services
What is and Why Grails Services?
- Motivation
- Business logic should be separate from controller - Controller should handle request flow only not business logic and TagLib should handle UI aspect not business logic
- What is Grails Service?
- Services are the place to place business logic
- Why Grails Service?
- Separation of business logic into service produces cleaner code
- Business logic encapsulated in a service enables reuse
- Service has built-in “declarative” transaction support
- Service injection into controller and tag library is simple – just define a variable with the name of the service
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