Uses of Interface
alluxio.cli.Command

Packages that use Command

Package	Description
alluxio.cli
alluxio.cli.extensions
alluxio.cli.extensions.command
alluxio.cli.fs
alluxio.cli.fs.command
alluxio.cli.fsadmin
alluxio.cli.fsadmin.command

Uses of Command in alluxio.cli

Methods in alluxio.cli that return types with arguments of type Command

Modifier and Type	Method and Description
Collection<Command>	AbstractShell.getCommands()
protected abstract Map<String,Command>	AbstractShell.loadCommands() Map structure: Command name => Command instance.
static Map<String,Command>	CommandUtils.loadCommands(String pkgName, Class[] classArgs, Object[] objectArgs) Get instances of all subclasses of Command in a sub-package called "command" the given package.

Methods in alluxio.cli with parameters of type Command

Modifier and Type	Method and Description
static void	CommandUtils.checkNumOfArgsEquals(Command cmd, org.apache.commons.cli.CommandLine cl, int n) Checks the number of non-option arguments equals n for command.
static void	CommandUtils.checkNumOfArgsNoLessThan(Command cmd, org.apache.commons.cli.CommandLine cl, int n) Checks the number of non-option arguments is no less than n for command.
static void	CommandUtils.checkNumOfArgsNoMoreThan(Command cmd, org.apache.commons.cli.CommandLine cl, int n) Checks the number of non-option arguments is no more than n for command.

Uses of Command in alluxio.cli.extensions

Methods in alluxio.cli.extensions that return types with arguments of type Command

Modifier and Type	Method and Description
static Map<String,Command>	ExtensionsShellUtils.loadCommands() Gets all Command instances in the same package as ExtensionsShell and loads them into a map.
protected Map<String,Command>	ExtensionsShell.loadCommands()

Uses of Command in alluxio.cli.extensions.command

Classes in alluxio.cli.extensions.command that implement Command

Modifier and Type	Class and Description
class	InstallCommand Install a new extension.
class	UninstallCommand Uninstall an extension.

Uses of Command in alluxio.cli.fs

Methods in alluxio.cli.fs that return types with arguments of type Command

Modifier and Type	Method and Description
protected Map<String,Command>	FileSystemShell.loadCommands()
static Map<String,Command>	FileSystemShellUtils.loadCommands(FileSystem fileSystem) Gets all Command instances in the same package as FileSystemShell and load them into a map.

Uses of Command in alluxio.cli.fs.command

Classes in alluxio.cli.fs.command that implement Command

Modifier and Type	Class and Description
class	AbstractFileSystemCommand The base class for all the FileSystem Command classes.
class	CatCommand Prints the file's contents to the console.
class	CheckConsistencyCommand Command for checking the consistency of a file or folder between Alluxio and the under storage.
class	ChecksumCommand Calculates the MD5 checksum for a file.
class	ChgrpCommand Changes the group of a file or directory specified by args.
class	ChmodCommand Changes the permission of a file or directory specified by args.
class	ChownCommand Changes the owner of a file or directory specified by args.
class	CopyFromLocalCommand Copies the specified file specified by "source path" to the path specified by "remote path".
class	CopyToLocalCommand Copies a file or a directory from the Alluxio filesystem to the local filesystem.
class	CountCommand Displays the number of folders and files matching the specified prefix in args.
class	CpCommand Copies a file or a directory in the Alluxio filesystem.
class	CreateLineageCommand Creates a lineage for the given input files, output files, and command line job.
class	DeleteLineageCommand Deletes a lineage by its id.
class	DuCommand Displays the size of a file or a directory specified by argv.
class	FileInfoCommand Deprecated. since version 1.5
class	FreeCommand Frees the given file or folder from Alluxio storage (recursively freeing all children if a folder).
class	GetCapacityBytesCommand Gets the capacity of the FileSystem.
class	GetUsedBytesCommand Gets number of bytes used in the FileSystem.
class	HeadCommand Prints the file's first n bytes (by default, 1KB) to the console.
class	HelpCommand Command for print help message for the given command.
class	LeaderCommand Prints the current leader master host name.
class	ListLineagesCommand Lists all the lineages.
class	LoadCommand Loads a file or directory in Alluxio space, making it resident in Alluxio.
class	LoadMetadataCommand Deprecated. since version 1.1
class	LocationCommand Displays a list of hosts that have the file specified in args stored.
class	LsCommand Displays information for the path specified in args.
class	MasterInfoCommand Prints information regarding master fault tolerance such as leader address, list of master addresses, and the configured Zookeeper address.
class	MkdirCommand Creates a new directory specified by the path in args, including any parent folders that are required.
class	MountCommand Mounts a UFS path onto an Alluxio path.
class	MvCommand Renames a file or directory specified by args.
class	PersistCommand Persists files or directories currently stored only in Alluxio to the UnderFileSystem.
class	PinCommand Pins the given file or folder (recursively pinning all children if a folder).
class	ReportCommand Reports to the master that a file is lost.
class	RmCommand Removes the file specified by argv.
class	SetTtlCommand Sets a new TTL value for the file at path both of the TTL value and the path are specified by args.
class	StatCommand Displays the path's info.
class	TailCommand Prints the file's last n bytes (by default, 1KB) to the console.
class	TestCommand Tests properties of the path specified in args.
class	TouchCommand Creates a 0 byte file specified by argv.
class	UnmountCommand Unmounts an Alluxio path.
class	UnpinCommand Unpins the given file or folder (recursively unpinning all children if a folder).
class	UnsetTtlCommand Unsets the TTL value for the given path.

Methods in alluxio.cli.fs.command with parameters of type Command

Modifier and Type	Method and Description
static void	HelpCommand.printCommandInfo(Command command, PrintWriter pw) Prints the info about a command to the given print writer.

Uses of Command in alluxio.cli.fsadmin

Methods in alluxio.cli.fsadmin that return types with arguments of type Command

Modifier and Type	Method and Description
protected Map<String,Command>	FileSystemAdminShell.loadCommands()

Uses of Command in alluxio.cli.fsadmin.command

Classes in alluxio.cli.fsadmin.command that implement Command

Modifier and Type	Class and Description
class	AbstractFsAdminCommand Base class for fsadmin commands.
class	BackupCommand Command for backing up Alluxio master metadata.
class	DoctorCommand Shows errors or warnings that users should pay attention to.
class	GetBlockInfoCommand Command for getting information from a block id.
class	UfsCommand Update attributes for an existing mount point.