Kotlin Meta Programming - Code Generation with Kotlin Poet
summary
Demonstrates generating real Kotlin source with Kotlin Poet, compiling and loading it to verify behavior, and wiring a Maven pipeline via a maven plugin for repeatable builds. Parses a JSON protocol to generate Kotlin data classes, provider interfaces and a QueryGateway extension, compiles them with kotlin-test-compile, and instantiates the generated class by reflection to show it runs. Recommends testing generators, caching by input hash to avoid repeated generation, and keeping generator API independent of the build integration.
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chapters (7)
- 0:00Kotlin meta programming intro
- 5:29Code generation importance
- 7:18Meta programming explained
- 11:56Kotlin Poet hello world
- 20:19Axon code generation
- 25:43Code generator best practices
- 29:12Optimizing generator performance
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