dubbo-samples-triple/src/main/java/com/apache/dubbo/sample/basic/IGreeter.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 com.apache.dubbo.sample.basic;

import org.apache.dubbo.common.stream.StreamObserver;
import org.apache.dubbo.hello.HelloReply;
import org.apache.dubbo.hello.HelloRequest;

public interface IGreeter {
    /**
     * <pre>
     *  Sends a greeting
     * </pre>
     */
    HelloReply sayHello(HelloRequest request);

    HelloReply sayHelloException(HelloRequest request);

    StreamObserver<HelloRequest> sayHelloStream(StreamObserver<HelloReply> replyStream);

    void sayHelloServerStream(HelloRequest request, StreamObserver<HelloReply> replyStream);
}