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package com.rpc; import java.io.IOException; import org.apache.hadoop.ipc.VersionedProtocol; public interface MyRPCProtocol extends VersionedProtocol { public static final long versionID = 4L; String hello(String name); } class MyRPCProtocolImpl implements MyRPCProtocol { @Override public long getProtocolVersion(String arg0, long arg1) throws IOException { return MyRPCProtocol.versionID; } @Override public String hello(String name) { return "hello " + name; } }
package com.rpc; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.ipc.RPC; import org.apache.hadoop.ipc.RPC.Server; public class MyServer { public static int PORT = 3333; public static void main(String[] args) throws Exception { final Server server = RPC.getServer(new MyRPCProtocolImpl(), "localhost", MyServer.PORT, new Configuration()); server.start(); } }
package com.rpc; import java.net.InetSocketAddress; import org.apache.hadoop.conf.Configuration; import org.apache.hadoop.ipc.RPC; public class MyClient { public static void main(String[] args) throws Exception { final InetSocketAddress inetSocketAddress = new InetSocketAddress("localhost", MyServer.PORT); MyRPCProtocol rpc = (MyRPCProtocol)RPC.getProxy(MyRPCProtocol.class, MyRPCProtocol.versionID, inetSocketAddress, new Configuration()); String str = rpc.hello("习大大"); System.out.println(str); RPC.stopProxy(rpc); } }
依赖包:hadoop-core-1.2.1、commons-configuration-1.6、commons-lang-2.4、commons-logging-1.1.1
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原文地址:http://my.oschina.net/sniperLi/blog/359001