org.apache.hadoop.fs.swift.snative.SwiftFileStatus Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of hadoop-openstack Show documentation
Show all versions of hadoop-openstack Show documentation
This module used to contain code to support integration with OpenStack.
It has been deleted as unsupported; the JAR is still published so as to
not break applications which declare an explicit maven/ivy/SBT dependency
on the module.
/*
* 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.fs.swift.snative;
import org.apache.hadoop.fs.FileStatus;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.fs.permission.FsPermission;
/**
* A subclass of {@link FileStatus} that contains the
* Swift-specific rules of when a file is considered to be a directory.
*/
public class SwiftFileStatus extends FileStatus {
public SwiftFileStatus() {
}
public SwiftFileStatus(long length,
boolean isdir,
int block_replication,
long blocksize, long modification_time, Path path) {
super(length, isdir, block_replication, blocksize, modification_time, path);
}
public SwiftFileStatus(long length,
boolean isdir,
int block_replication,
long blocksize,
long modification_time,
long access_time,
FsPermission permission,
String owner, String group, Path path) {
super(length, isdir, block_replication, blocksize, modification_time,
access_time, permission, owner, group, path);
}
//HDFS2+ only
public SwiftFileStatus(long length,
boolean isdir,
int block_replication,
long blocksize,
long modification_time,
long access_time,
FsPermission permission,
String owner, String group, Path symlink, Path path) {
super(length, isdir, block_replication, blocksize, modification_time,
access_time, permission, owner, group, symlink, path);
}
/**
* Declare that the path represents a directory, which in the
* SwiftNativeFileSystem means "is a directory or a 0 byte file"
*
* @return true if the status is considered to be a file
*/
@Override
public boolean isDir() {
return super.isDirectory() || getLen() == 0;
}
/**
* A entry is a file if it is not a directory.
* By implementing it and not marking as an override this
* subclass builds and runs in both Hadoop versions.
* @return the opposite value to {@link #isDir()}
*/
@Override
public boolean isFile() {
return !isDir();
}
/**
* Directory test
* @return true if the file is considered to be a directory
*/
public boolean isDirectory() {
return isDir();
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder();
sb.append(getClass().getSimpleName());
sb.append("{ ");
sb.append("path=").append(getPath());
sb.append("; isDirectory=").append(isDir());
sb.append("; length=").append(getLen());
sb.append("; blocksize=").append(getBlockSize());
sb.append("; modification_time=").append(getModificationTime());
sb.append("}");
return sb.toString();
}
}