hadoop ProvidedStorageLocation 源码
haddop ProvidedStorageLocation 代码
文件路径：/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/ProvidedStorageLocation.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.fs.Path;
import javax.annotation.Nonnull;
import java.util.Arrays;
/**
* ProvidedStorageLocation is a location in an external storage system
* containing the data for a block (~Replica).
*/
@InterfaceAudience.Private
@InterfaceStability.Evolving
public class ProvidedStorageLocation {
private final Path path;
private final long offset;
private final long length;
private final byte[] nonce;
public ProvidedStorageLocation(Path path, long offset, long length,
byte[] nonce) {
this.path = path;
this.offset = offset;
this.length = length;
this.nonce = Arrays.copyOf(nonce, nonce.length);
}
public @Nonnull Path getPath() {
return path;
}
public long getOffset() {
return offset;
}
public long getLength() {
return length;
}
public @Nonnull byte[] getNonce() {
// create a copy of the nonce and return it.
return Arrays.copyOf(nonce, nonce.length);
}
@Override
public boolean equals(Object o) {
if (this == o) {
return true;
}
if (o == null || getClass() != o.getClass()) {
return false;
}
ProvidedStorageLocation that = (ProvidedStorageLocation) o;
if ((offset != that.offset) || (length != that.length)
|| !path.equals(that.path)) {
return false;
}
return Arrays.equals(nonce, that.nonce);
}
@Override
public int hashCode() {
int result = path.hashCode();
result = 31 * result + (int) (offset ^ (offset >>> 32));
result = 31 * result + (int) (length ^ (length >>> 32));
result = 31 * result + Arrays.hashCode(nonce);
return result;
}
}
相关信息
相关文章
hadoop AddErasureCodingPolicyResponse 源码
hadoop AlreadyBeingCreatedException 源码
hadoop BatchedDirectoryListing 源码
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
6、 golang
-
7、 openharmony