hadoop FileMetadata 源码
haddop FileMetadata 代码
文件路径：/hadoop-cloud-storage-project/hadoop-cos/src/main/java/org/apache/hadoop/fs/cosn/FileMetadata.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
* <p>
* http://www.apache.org/licenses/LICENSE-2.0
* <p>
* 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.fs.cosn;
import org.apache.hadoop.classification.InterfaceAudience;
import org.apache.hadoop.classification.InterfaceStability;
/**
* <p>
* Holds basic metadata for a file stored in a {@link NativeFileSystemStore}.
* </p>
*/
@InterfaceAudience.Private
@InterfaceStability.Unstable
class FileMetadata {
private final String key;
private final long length;
private final long lastModified;
private final boolean isFile;
FileMetadata(String key, long length, long lastModified) {
this(key, length, lastModified, true);
}
FileMetadata(String key, long length, long lastModified, boolean isFile) {
this.key = key;
this.length = length;
this.lastModified = lastModified;
this.isFile = isFile;
}
public String getKey() {
return key;
}
public long getLength() {
return length;
}
public long getLastModified() {
return lastModified;
}
@Override
public String toString() {
return "FileMetadata[" + key + ", " + length + ", " + lastModified + ", "
+ "file?" + isFile + "]";
}
public boolean isFile() {
return isFile;
}
}
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