Java tutorial
/* * Copyright 2002-2019 the original author or authors. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * https://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.springframework.integration.gateway; import java.util.concurrent.CompletableFuture; import java.util.concurrent.Future; import org.springframework.messaging.Message; import org.springframework.messaging.handler.annotation.Payload; import reactor.core.publisher.Mono; /** * @author Mark Fisher * @author Oleg Zhurakousky * @author Artem Bilan */ public interface TestService { String requestReply(String input); byte[] requestReplyInBytes(String input); void oneWay(String input); @Payload("#args[0]") void oneWayWithTimeouts(String input, Long sendTimeout, Long receiveTimeout); String solicitResponse(); Message<String> getMessage(); Integer requestReplyWithIntegers(Integer input); String requestReplyWithMessageParameter(Message<?> message); Message<?> requestReplyWithMessageReturnValue(String input); @Payload("#gatewayMethod.name + #args.length") String requestReplyWithPayloadAnnotation(); Future<Message<?>> async(String s); Mono<Message<?>> promise(String s); CompletableFuture<String> completable(String s); MyCompletableFuture customCompletable(String s); CompletableFuture<Message<?>> completableReturnsMessage(String s); MyCompletableMessageFuture customCompletableReturnsMessage(String s); class MyCompletableFuture extends CompletableFuture<String> { } class MyCompletableMessageFuture extends CompletableFuture<Message<?>> { } }