runtime/dev.zacsweers.metro/ContributesTo

ContributesTo

@Target(allowedTargets = [AnnotationTarget.CLASS])

annotation class ContributesTo(val scope: KClass<*>, val replaces: Array<KClass<*>> = [])(source)

Contributes the annotated interface to the given scope. This is only applicable to interfaces. The downstream merged graph of the same scope will extend this interface in its implementation.

@ContributesTo(AppScope::class)
interface SomeDependencies {
  val httpClient: HttpClient
}

// Later graph will extend it automatically
@DependencyGraph(AppScope::class)
interface AppGraph

Properties

replaces

val replaces: Array<KClass<*>>

List of interface types that this interface replaces in the scope.

scope

val scope: KClass<*>

The scope this interface contributes to.