service_discovery/service/java-server/src/main/java/org/apache/dubbo/samples/proto/GreetService.java

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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
*
*     http://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.apache.dubbo.samples.proto;

import org.apache.dubbo.common.stream.StreamObserver;

import java.util.concurrent.CompletableFuture;

public interface GreetService extends org.apache.dubbo.rpc.model.DubboStub {

    String JAVA_SERVICE_NAME = "org.apache.dubbo.samples.proto.GreetService";
    String SERVICE_NAME = "org.apache.dubbo.samples.proto.GreetService";

    GreetResponse greet(GreetRequest request);

    default CompletableFuture<GreetResponse> greetAsync(GreetRequest request){
        return CompletableFuture.completedFuture(greet(request));
    }

    /**
    * This server stream type unary method is <b>only</b> used for generated stub to support async unary method.
    * It will not be called if you are NOT using Dubbo3 generated triple stub and <b>DO NOT</b> implement this method.
    */
    default void greet(GreetRequest request, StreamObserver<GreetResponse> responseObserver){
        greetAsync(request).whenComplete((r, t) -> {
            if (t != null) {
                responseObserver.onError(t);
            } else {
                responseObserver.onNext(r);
                responseObserver.onCompleted();
            }
        });
    }

    SayHelloResponse sayHello(SayHelloRequest request);

    default CompletableFuture<SayHelloResponse> sayHelloAsync(SayHelloRequest request){
        return CompletableFuture.completedFuture(sayHello(request));
    }

    /**
    * This server stream type unary method is <b>only</b> used for generated stub to support async unary method.
    * It will not be called if you are NOT using Dubbo3 generated triple stub and <b>DO NOT</b> implement this method.
    */
    default void sayHello(SayHelloRequest request, StreamObserver<SayHelloResponse> responseObserver){
        sayHelloAsync(request).whenComplete((r, t) -> {
            if (t != null) {
                responseObserver.onError(t);
            } else {
                responseObserver.onNext(r);
                responseObserver.onCompleted();
            }
        });
    }






}