hadoop AliasMapProtocolPB 源码
haddop AliasMapProtocolPB 代码
文件路径：/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/protocolPB/AliasMapProtocolPB.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.hadoop.hdfs.protocolPB;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.hdfs.DFSConfigKeys;
import org.apache.hadoop.hdfs.protocol.proto.AliasMapProtocolProtos;
import org.apache.hadoop.ipc.ProtocolInfo;
import org.apache.hadoop.security.KerberosInfo;
/**
* Protocol between the Namenode and the Datanode to read the AliasMap
* used for Provided storage.
*/
@ProtocolInfo(
protocolName =
"org.apache.hadoop.hdfs.server.aliasmap.AliasMapProtocol",
protocolVersion = 1)
@KerberosInfo(
serverPrincipal = DFSConfigKeys.DFS_NAMENODE_KERBEROS_PRINCIPAL_KEY)
@InterfaceAudience.Private
@InterfaceStability.Unstable
public interface AliasMapProtocolPB extends
AliasMapProtocolProtos.AliasMapProtocolService.BlockingInterface {
}
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