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Make the Kotlin bean registration API even more idiomatic

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Put the lambda parameter at the end and use a function
instead of a supplier to be able to register beans like this:

val context = GenericApplicationContext()
context.registerBean(Foo::class)
context.registerBean{ Bar(it.getBean(Foo::class)) }

Issue: SPR-15118
This commit is contained in:
Sebastien Deleuze
2017-01-10 10:13:26 +01:00
parent 715274e327
commit c5cfd8c8fc
2 changed files with 28 additions and 6 deletions
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8
spring-context/src/main/kotlin/org/springframework/context/support/GenericApplicationContextExtension.kt
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@@ -34,15 +34,15 @@ object GenericApplicationContextExtension {
* @see GenericApplicationContext.registerBean(Class<T>, Supplier<T>, BeanDefinitionCustomizer...)
*/
inline fun <reified T : Any> GenericApplicationContext.registerBean(
crossinline supplier: () -> T, vararg customizers: BeanDefinitionCustomizer) {
registerBean(T::class.java, Supplier { supplier.invoke() }, *customizers)
vararg customizers: BeanDefinitionCustomizer, crossinline function: (GenericApplicationContext) -> T) {
registerBean(T::class.java, Supplier { function.invoke(this) }, *customizers)
}
/**
* @see GenericApplicationContext.registerBean(String, Class<T>, Supplier<T>, BeanDefinitionCustomizer...)
*/
inline fun <reified T : Any> GenericApplicationContext.registerBean(name: String,
crossinline supplier: () -> T, vararg customizers: BeanDefinitionCustomizer) {
registerBean(name, T::class.java, Supplier { supplier.invoke() }, *customizers)
vararg customizers: BeanDefinitionCustomizer, crossinline function: (GenericApplicationContext) -> T) {
registerBean(name, T::class.java, Supplier { function.invoke(this) }, *customizers)
}
}