hadoop PartialListing 源码

  • 2022-10-20
  • 浏览 (269)

haddop PartialListing 代码

文件路径:/hadoop-cloud-storage-project/hadoop-cos/src/main/java/org/apache/hadoop/fs/cosn/PartialListing.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 information on a directory listing for a
 * {@link NativeFileSystemStore}.
 * This includes the {@link FileMetadata files} and directories
 * (their names) contained in a directory.
 * </p>
 * <p>
 * This listing may be returned in chunks, so a <code>priorLastKey</code>
 * is provided so that the next chunk may be requested.
 * </p>
 *
 * @see NativeFileSystemStore#list(String, int, String, boolean)
 */
@InterfaceAudience.Private
@InterfaceStability.Unstable
class PartialListing {

  private final String priorLastKey;
  private final FileMetadata[] files;
  private final FileMetadata[] commonPrefixes;

  PartialListing(String priorLastKey, FileMetadata[] files,
                 FileMetadata[] commonPrefixes) {
    this.priorLastKey = priorLastKey;
    this.files = files;
    this.commonPrefixes = commonPrefixes;
  }

  public FileMetadata[] getFiles() {
    return files;
  }

  public FileMetadata[] getCommonPrefixes() {
    return commonPrefixes;
  }

  public String getPriorLastKey() {
    return priorLastKey;
  }

}

相关信息

hadoop 源码目录

相关文章

hadoop BufferPool 源码

hadoop ByteBufferInputStream 源码

hadoop ByteBufferOutputStream 源码

hadoop ByteBufferWrapper 源码

hadoop Constants 源码

hadoop CosN 源码

hadoop CosNConfigKeys 源码

hadoop CosNCopyFileContext 源码

hadoop CosNCopyFileTask 源码

hadoop CosNFileReadTask 源码

0  赞