hadoop BlockChecksumOptions 源码
haddop BlockChecksumOptions 代码
文件路径：/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/BlockChecksumOptions.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;
/**
* Encapsulates various options related to how fine-grained data checksums are
* combined into block-level checksums.
*/
@InterfaceAudience.Private
public class BlockChecksumOptions {
private final BlockChecksumType blockChecksumType;
private final long stripeLength;
public BlockChecksumOptions(
BlockChecksumType blockChecksumType, long stripeLength) {
this.blockChecksumType = blockChecksumType;
this.stripeLength = stripeLength;
}
public BlockChecksumOptions(BlockChecksumType blockChecksumType) {
this(blockChecksumType, 0);
}
public BlockChecksumType getBlockChecksumType() {
return blockChecksumType;
}
public long getStripeLength() {
return stripeLength;
}
@Override
public String toString() {
return String.format("blockChecksumType=%s, stripedLength=%d",
blockChecksumType, stripeLength);
}
}
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