it.auties.whatsapp.net.Response Maven / Gradle / Ivy

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package it.auties.whatsapp.net;

import java.util.concurrent.CompletableFuture;

public sealed interface Response {
    default boolean complete(V result) {
        switch (this) {
            case Callback callback -> callback.onResult(result, null);
            case Future future -> future.complete(result);
        }

        return true;
    }

    @SuppressWarnings("UnusedReturnValue") // Would violate the return value of CompletableFuture
    default boolean completeExceptionally(Throwable throwable) {
        switch (this) {
            case Callback callback -> callback.onResult(null, throwable);
            case Future future -> future.completeExceptionally(throwable);
        }

        return true;
    }


    final class Future extends CompletableFuture implements Response {

    }

    @FunctionalInterface
    non-sealed interface Callback extends Response {
        void onResult(V result, Throwable error);
    }
}