This deep-dive workshop explores Apache Groovy's powerful and flexible metaprogramming capabilities from beginner to advanced, with an emphasis on techniques of particular interest to Grails® developers.
The course covers, in-depth, how Apache Groovy’s dynamic dispatch mechanism works and how application and plugin code can participate with that dispatch mechanism to provide more simple application code. You'll also learn techniques that may be applied at compile time to enhance classes, including AST transformations, automatically enhancing Grails artifacts with traits and more.
We recommend students be familiar with the Apache Groovy programming language to get the most out of this course. In-depth knowledge of Groovy is not required.
DURATION and Format
1 day (6 hours)
The following topics are covered in this workshop:
- Introduction to metaprogramming
- Runtime metaprogramming vs. compile-time metaprogramming
- Runtime extension methods
- AST transformations
- AST macros
- Enhancing Grails artefacts
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