Hadoop HDFS编程 API入门系列之RPC版本1

Posted 2020-08-23 大数据和人工智能躺过的坑

 

 

　　不多说，直接上代码。

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

代码

 1 package zhouls.bigdata.myWholeHadoop.RPC.rpc1;
 2 
 3 import java.io.IOException;
 4 import java.net.InetSocketAddress;
 5 
 6 import org.apache.hadoop.conf.Configuration;
 7 import org.apache.hadoop.ipc.RPC;
 8 
 9 public class LoginController {
10     public static void main(String[] args) throws IOException {
11         LoginServiceinterface proxy = RPC.getProxy(LoginServiceinterface.class, 1L, new InetSocketAddress("HadoopMaster", 10000), new Configuration());
12         String result = proxy.login("angelababy","123456");
13         System.out.println(result);
14     }
15 }

 

 

 

 

 

1 package zhouls.bigdata.myWholeHadoop.RPC.rpc1;
2 
3 public interface LoginServiceinterface {
4     public static final long versionID=1L;
5     public String login(String username,String password);
6 }

 

 

 

 

 

<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<!--
  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

    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. See accompanying LICENSE file.
-->

<!-- Put site-specific property overrides in this file. -->

<configuration>
    <property>
                <name>fs.default.name</name>
                <value>hdfs://HadoopMaster:9000</value>
                <description>The name of the default file system, using 9000 port.</description>
        </property>
        <property>
                <name>hadoop.tmp.dir</name>
                <value>/tmp</value>
                <description>A base for other temporary directories.</description>
        </property>
</configuration>

 

 

 

 

<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="configuration.xsl"?>
<!--
  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

    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. See accompanying LICENSE file.
-->

<!-- Put site-specific property overrides in this file. -->

<configuration>
    <property>
                <name>dfs.namenode.rpc-address</name>
                <value>HadoopMaster:9000</value>
        </property>
        <property>
                <name>dfs.replication</name>
                <value>2</value>
                <description>Set to 1 for pseudo-distributed mode,Set to 2 for distributed mode,Set to 3 for distributed mode.</description>
        </property>
        <property>
                <name>dfs.namenode.http-address</name>
                <value>HadoopMaster:50070</value>
        </property>
</configuration>