| /** |
| * 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 java.net.URI; |
| |
| import org.apache.hadoop.classification.InterfaceAudience; |
| import org.apache.hadoop.classification.InterfaceStability; |
| import org.apache.hadoop.fs.FileEncryptionInfo; |
| import org.apache.hadoop.fs.LocatedFileStatus; |
| import org.apache.hadoop.fs.Path; |
| import org.apache.hadoop.fs.permission.FsPermission; |
| import org.apache.hadoop.hdfs.DFSUtilClient; |
| |
| /** |
| * Interface that represents the over the wire information |
| * including block locations for a file. |
| */ |
| @InterfaceAudience.Private |
| @InterfaceStability.Evolving |
| public class HdfsLocatedFileStatus extends HdfsFileStatus { |
| private final LocatedBlocks locations; |
| |
| /** |
| * Constructor |
| * |
| * @param length size |
| * @param isdir if this is directory |
| * @param block_replication the file's replication factor |
| * @param blocksize the file's block size |
| * @param modification_time most recent modification time |
| * @param access_time most recent access time |
| * @param permission permission |
| * @param owner owner |
| * @param group group |
| * @param symlink symbolic link |
| * @param path local path name in java UTF8 format |
| * @param fileId the file id |
| * @param locations block locations |
| * @param feInfo file encryption info |
| */ |
| public HdfsLocatedFileStatus(long length, boolean isdir, |
| int block_replication, long blocksize, long modification_time, |
| long access_time, FsPermission permission, String owner, String group, |
| byte[] symlink, byte[] path, long fileId, LocatedBlocks locations, |
| int childrenNum, FileEncryptionInfo feInfo, byte storagePolicy) { |
| super(length, isdir, block_replication, blocksize, modification_time, |
| access_time, permission, owner, group, symlink, path, fileId, |
| childrenNum, feInfo, storagePolicy); |
| this.locations = locations; |
| } |
| |
| public LocatedBlocks getBlockLocations() { |
| return locations; |
| } |
| |
| public final LocatedFileStatus makeQualifiedLocated(URI defaultUri, |
| Path path) { |
| return new LocatedFileStatus(getLen(), isDir(), getReplication(), |
| getBlockSize(), getModificationTime(), |
| getAccessTime(), |
| getPermission(), getOwner(), getGroup(), |
| isSymlink() ? new Path(getSymlink()) : null, |
| (getFullPath(path)).makeQualified( |
| defaultUri, null), // fully-qualify path |
| DFSUtilClient.locatedBlocks2Locations(getBlockLocations())); |
| } |
| } |