hadoop DatanodeInfoWithStorage 源码
haddop DatanodeInfoWithStorage 代码
文件路径：/hadoop-hdfs-project/hadoop-hdfs-client/src/main/java/org/apache/hadoop/hdfs/protocol/DatanodeInfoWithStorage.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.StorageType;
@InterfaceAudience.Private
@InterfaceStability.Evolving
public class DatanodeInfoWithStorage extends DatanodeInfo {
private final String storageID;
private final StorageType storageType;
public DatanodeInfoWithStorage(DatanodeInfo from, String storageID,
StorageType storageType) {
super(from);
this.storageID = storageID;
this.storageType = storageType;
setSoftwareVersion(from.getSoftwareVersion());
setDependentHostNames(from.getDependentHostNames());
setLevel(from.getLevel());
setParent(from.getParent());
}
public String getStorageID() {
return storageID;
}
public StorageType getStorageType() {
return storageType;
}
@Override
public boolean equals(Object o) {
// allows this class to be used interchangeably with DatanodeInfo
return super.equals(o);
}
@Override
public int hashCode() {
// allows this class to be used interchangeably with DatanodeInfo
return super.hashCode();
}
@Override
public String toString() {
return "DatanodeInfoWithStorage[" + super.toString() + "," + storageID +
"," + storageType + "]";
}
}
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