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/**
* MIT License
*
* Copyright (c) 2010 - 2020 The OSHI Project Contributors: https://github.com/oshi/oshi/graphs/contributors
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package oshi.software.os;
import oshi.annotation.concurrent.ThreadSafe;
/**
* A FileStore represents a storage pool, device, partition, volume, concrete
* file system or other implementation specific means of file storage. This
* object carries the same interpretation as core Java's
* {@link java.nio.file.FileStore} class, with additional information.
*/
@ThreadSafe
public interface OSFileStore {
/**
* Name of the File System
*
* @return The file system name
*/
String getName();
/**
* Volume name of the File System
*
* @return The volume name of the file system
*/
String getVolume();
/**
* Label of the File System
*
* @return The volume label of the file system, on Windows. Other operating
* systems is redundant with the name.
*/
String getLabel();
/**
* Logical volume of the File System
*
* Provides an optional alternative volume identifier for the file system. Only
* supported on Linux, provides symlink value via '/dev/mapper/' (used with LVM
* file systems).
*
* @return The logical volume of the file system
*/
String getLogicalVolume();
/**
* Mountpoint of the File System
*
* @return The mountpoint of the file system
*/
String getMount();
/**
* Description of the File System
*
* @return The file system description
*/
String getDescription();
/**
* Type of the File System (FAT, NTFS, etx2, ext4, etc)
*
* @return The file system type
*/
String getType();
/**
* Filesystem options
*
* @return A comma-deimited string of options
*/
String getOptions();
/**
* UUID/GUID of the File System
*
* @return The file system UUID/GUID
*/
String getUUID();
/**
* Free space on the drive. This space is unallocated but may require elevated
* permissions to write.
*
* @return Free space on the drive (in bytes)
*/
long getFreeSpace();
/**
* Usable space on the drive. This is space available to unprivileged users.
*
* @return Usable space on the drive (in bytes)
*/
long getUsableSpace();
/**
* Total space/capacity of the drive.
*
* @return Total capacity of the drive (in bytes)
*/
long getTotalSpace();
/**
* Usable / free inodes on the drive. Not applicable on Windows.
*
* @return Usable / free inodes on the drive (count), or -1 if unimplemented
*/
long getFreeInodes();
/**
* Total / maximum number of inodes of the filesystem. Not applicable on
* Windows.
*
* @return Total / maximum number of inodes of the filesystem (count), or -1 if
* unimplemented
*/
long getTotalInodes();
/**
* Make a best effort to update all the statistics about the file store without
* needing to recreate the file store list. This method provides for more
* frequent periodic updates of file store statistics.
*
* @return True if the update was (probably) successful, false if the disk was
* not found
*/
boolean updateAttributes();
}
