com.spotify.apollo.route

Interface Middleware<H,T>

All Superinterfaces:

Function<H,T>

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
public interface Middleware<H,T>
extends Function<H,T>

Defines a function that can be used to share functionality among routes using Route.with(Middleware, String, String, Object). It also allows to compose several functions (middlewares).

Method Summary

Modifier and Type	Method and Description
default <K> Middleware<H,K>	and(Middleware<? super T,? extends K> other)
static <T> AsyncHandler<T>	guavaToAsync(ListenableFutureHandler<T> listenableFutureHandler)
static <T> AsyncHandler<T>	syncToAsync(SyncHandler<T> handler)

Methods inherited from interface java.util.function.Function

andThen, apply, compose, identity

Method Detail

and

default <K> Middleware<H,K> and(Middleware<? super T,? extends K> other)

syncToAsync

static <T> AsyncHandler<T> syncToAsync(SyncHandler<T> handler)

guavaToAsync

static <T> AsyncHandler<T> guavaToAsync(ListenableFutureHandler<T> listenableFutureHandler)