Gratatouille Webinar - Apr 2024

Hi 👋 🥐

apollographql/apollo-kotlin

Automatic code generation 4 query.graphql schema.graphqls Kotlin

Codegen 5 { sessions { nodes { language title startsAt speakers { name } } } } class Session(val nodes: List) class Node( val language: String, val title: String, val startsAt: DateTime, val speakers: List ) class Speaker(val name: String)

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Classloaders 8 ● Several ones ○ root project classloader ○ subproject classloader ○ buildSrc classloader ● See Crash course in classloaders

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10 Yes, BUT… johnrengelman/shadow

11 Yes, BUT… ● Slow to compile ● Duplicates bytecode ● Doesn’t fix everything GradleUp/Gr8 🐘🆙

Other things 12 ● Overlapping outputs ● Build cache ● Path sensitivity ● Manual serialization ● Parallel execution ● Optional/nullable ⁉ ● Type safety

Entering Gratatouille Even more classloaders… ;-)

Live demo?

Status 15 ● Mostly proof of concept ● Branch of Apollo working with it ● Single artifact mode ● Testing