dubbo Transporter 源码

  • 2022-10-20
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dubbo Transporter 代码

文件路径:/dubbo-remoting/dubbo-remoting-api/src/main/java/org/apache/dubbo/remoting/Transporter.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.remoting;

import org.apache.dubbo.common.URL;
import org.apache.dubbo.common.extension.Adaptive;
import org.apache.dubbo.common.extension.ExtensionScope;
import org.apache.dubbo.common.extension.SPI;

/**
 * Transporter. (SPI, Singleton, ThreadSafe)
 * <p>
 * <a href="http://en.wikipedia.org/wiki/Transport_Layer">Transport Layer</a>
 * <a href="http://en.wikipedia.org/wiki/Client%E2%80%93server_model">Client/Server</a>
 *
 * @see org.apache.dubbo.remoting.Transporters
 */
@SPI(value = "netty", scope = ExtensionScope.FRAMEWORK)
public interface Transporter {

    /**
     * Bind a server.
     *
     * @param url     server url
     * @param handler
     * @return server
     * @throws RemotingException
     * @see org.apache.dubbo.remoting.Transporters#bind(URL, ChannelHandler...)
     */
    @Adaptive({Constants.SERVER_KEY, Constants.TRANSPORTER_KEY})
    RemotingServer bind(URL url, ChannelHandler handler) throws RemotingException;

    /**
     * Connect to a server.
     *
     * @param url     server url
     * @param handler
     * @return client
     * @throws RemotingException
     * @see org.apache.dubbo.remoting.Transporters#connect(URL, ChannelHandler...)
     */
    @Adaptive({Constants.CLIENT_KEY, Constants.TRANSPORTER_KEY})
    Client connect(URL url, ChannelHandler handler) throws RemotingException;

}

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