hadoop RemotePeerFactory 源码
haddop RemotePeerFactory 代码
文件路径：/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/RemotePeerFactory.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;
import java.io.IOException;
import java.net.InetSocketAddress;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.hdfs.net.Peer;
import org.apache.hadoop.hdfs.protocol.DatanodeID;
import org.apache.hadoop.hdfs.security.token.block.BlockTokenIdentifier;
import org.apache.hadoop.security.token.Token;
@InterfaceAudience.Private
public interface RemotePeerFactory {
/**
* @param addr The address to connect to.
* @param blockToken Token used during optional SASL negotiation
* @param datanodeId ID of destination DataNode
* @return A new Peer connected to the address.
*
* @throws IOException If there was an error connecting or creating
* the remote socket, encrypted stream, etc.
*/
Peer newConnectedPeer(InetSocketAddress addr,
Token<BlockTokenIdentifier> blockToken, DatanodeID datanodeId)
throws IOException;
}
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