Uses of Interface
alluxio.cli.Command

Packages that use Command

Package	Description
alluxio.cli
alluxio.cli.bundler
alluxio.cli.bundler.command
alluxio.cli.command
alluxio.cli.command.metadatacache
alluxio.cli.extensions
alluxio.cli.extensions.command
alluxio.cli.fs
alluxio.cli.fs.command
alluxio.cli.fsadmin
alluxio.cli.fsadmin.command
alluxio.cli.fsadmin.journal
alluxio.cli.fsadmin.metrics
alluxio.cli.fsadmin.nodes

Uses of Command in alluxio.cli

Subinterfaces of Command in alluxio.cli

Modifier and Type	Interface and Description
interface	FuseCommand An interface for all fuse shell commands.

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

Modifier and Type	Method and Description
Collection<Command>	AbstractShell.getCommands()
default Map<String,Command>	Command.getSubCommands()
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.bundler

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

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

Uses of Command in alluxio.cli.bundler.command

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

Modifier and Type	Class and Description
class	AbstractCollectInfoCommand Abstraction of a command under CollectInfo.
class	CollectAlluxioInfoCommand Command to run a set of Alluxio commands.
class	CollectConfigCommand Command to collect Alluxio config files.
class	CollectEnvCommand Command to run a set of bash commands to get system information.
class	CollectJvmInfoCommand Command that collects information about the JVMs.
class	CollectLogCommand Command to collect Alluxio logs.
class	CollectMetricsCommand Command to probe Alluxio metrics for a few times.
class	ExecuteShellCollectInfoCommand Command to run a set of shell commands to get system information.

Uses of Command in alluxio.cli.command

Classes in alluxio.cli.command that implement Command

Modifier and Type	Class and Description
class	AbstractFuseShellCommand The base class for all the Fuse FuseCommand classes.
class	MetadataCacheCommand Gets information of or makes changes to the Fuse client metadata cache.

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

Modifier and Type	Method and Description
Map<String,Command>	MetadataCacheCommand.getSubCommands()

Uses of Command in alluxio.cli.command.metadatacache

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

Modifier and Type	Class and Description
class	AbstractMetadataCacheSubCommand Metadata cache sub command.
class	DropAllCommand The metadata cache 'dropAll' subcommand.
class	DropCommand The metadata cache 'drop' subcommand.
class	SizeCommand The metadata cache 'size' subcommand.

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
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(FileSystemContext fsContext) 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	AbstractDistributedJobCommand The base class for all the distributed job based Command classes.
class	AbstractFileSystemCommand The base class for all the FileSystem Command classes.
class	CatCommand Prints the file's contents to the console.
class	CheckCachedCommand Moves a file or a directory in the Alluxio filesystem using job service.
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	ConsistentHashCommand Copies the specified file specified by "source path" to the path specified by "remote path".
class	CpCommand Copies a file or a directory in the Alluxio filesystem.
class	FreeCommand Frees the given file or folder from Alluxio storage (recursively freeing all children if a folder).
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	LoadCommand Loads a file or directory in Alluxio space, making it resident in Alluxio.
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	MkdirCommand Creates a new directory specified by the path in args, including any parent folders that are required.
class	MvCommand Renames a file or directory specified by args.
class	RmCommand Removes the file specified by argv.
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.

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	DecommissionWorkerCommand Decommission a specific batch of workers, the decommissioned worker is not automatically shutdown and will not be picked for new I/O requests.
class	DoctorCommand Shows errors or warnings that users should pay attention to.
class	EnableWorkerCommand The DecommissionWorkerCommand can specify to disable certain workers in the cluster, so they are not allowed to register again.
class	JournalCommand Command for seeing/managing quorum state of embedded journal.
class	MetricsCommand Command for managing Alluxio metric system.
class	NodesCommand Command to get or administrate worker nodes status.
class	ReportCommand Reports Alluxio running cluster information.

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

Modifier and Type	Method and Description
Map<String,Command>	NodesCommand.getSubCommands()
Map<String,Command>	JournalCommand.getSubCommands()
Map<String,Command>	MetricsCommand.getSubCommands()

Uses of Command in alluxio.cli.fsadmin.journal

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

Modifier and Type	Class and Description
class	CheckpointCommand Command for triggering a checkpoint in the primary master journal system.
class	QuorumCommand Command for seeing/managing quorum state of embedded journal.
class	QuorumElectCommand Command for transferring the leadership to another master within a quorum.
class	QuorumInfoCommand Command for querying journal quorum information.
class	QuorumRemoveCommand Command for removing a server from journal quorum.

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

Modifier and Type	Method and Description
Map<String,Command>	QuorumCommand.getSubCommands()

Uses of Command in alluxio.cli.fsadmin.metrics

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

Modifier and Type	Class and Description
class	ClearCommand Clear the leading master (and workers) metrics.

Uses of Command in alluxio.cli.fsadmin.nodes

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

Modifier and Type	Class and Description
class	WorkerStatusCommand Command to print worker nodes status.