hadoop StripedBlockInfo 源码
haddop StripedBlockInfo 代码
文件路径：/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/StripedBlockInfo.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.protocol;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.hdfs.security.token.block.BlockTokenIdentifier;
import org.apache.hadoop.security.token.Token;
/**
* Striped block info that can be sent elsewhere to do block group level things,
* like checksum, and etc.
*/
@InterfaceAudience.Private
@InterfaceStability.Evolving
public class StripedBlockInfo {
private final ExtendedBlock block;
private final DatanodeInfo[] datanodes;
private final Token<BlockTokenIdentifier>[] blockTokens;
private final byte[] blockIndices;
private final ErasureCodingPolicy ecPolicy;
public StripedBlockInfo(ExtendedBlock block, DatanodeInfo[] datanodes,
Token<BlockTokenIdentifier>[] blockTokens, byte[] blockIndices,
ErasureCodingPolicy ecPolicy) {
this.block = block;
this.datanodes = datanodes;
this.blockTokens = blockTokens;
this.blockIndices = blockIndices;
this.ecPolicy = ecPolicy;
}
public ExtendedBlock getBlock() {
return block;
}
public DatanodeInfo[] getDatanodes() {
return datanodes;
}
public Token<BlockTokenIdentifier>[] getBlockTokens() {
return blockTokens;
}
public byte[] getBlockIndices() {
return blockIndices;
}
public ErasureCodingPolicy getErasureCodingPolicy() {
return ecPolicy;
}
}
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