Uses of Interface
alluxio.cli.Command

Packages that use Command

Package	Description
alluxio.cli
alluxio.cli.bundler
alluxio.cli.bundler.command
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.pathconf
alluxio.cli.job
alluxio.cli.job.command
alluxio.cli.table
alluxio.cli.table.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()
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.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(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	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	DistributedCpCommand Copies a file or directory specified by args.
class	DistributedLoadCommand Loads a file or directory in Alluxio space, makes it resident in memory.
class	DistributedMvCommand Moves a file or directory specified by args.
class	DuCommand Displays the size of a file or a directory specified by argv.
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	GetFaclCommand Displays ACL info of a path.
class	GetSyncPathListCommand This class represents a getSyncPathList Command.
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	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	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	RmCommand Removes the file specified by argv.
class	SetFaclCommand Displays ACL info of a path.
class	SetReplicationCommand Changes the replication level of a file or directory specified by args.
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	StartSyncCommand Start a polling sync of a particular path.
class	StatCommand Displays the path's info.
class	StopSyncCommand This class represents a stop sync command.
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.
class	UpdateMountCommand Update options for an Alluxio mount point.

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	JournalCommand Command for seeing/managing quorum state of embedded journal.
class	MetricsCommand Command for managing Alluxio metric system.
class	PathConfCommand Manages path level configuration.
class	ReportCommand Reports Alluxio running cluster information.
class	UfsCommand Update attributes for an existing mount point.

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

Modifier and Type	Method and Description
Map<String,Command>	PathConfCommand.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	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.pathconf

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

Modifier and Type	Class and Description
class	AddCommand Adds path level configurations.
class	ListCommand Lists paths that have path level configuration.
class	RemoveCommand Removes path level configurations.
class	ShowCommand Show path level configurations.

Uses of Command in alluxio.cli.job

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

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

Uses of Command in alluxio.cli.job.command

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

Modifier and Type	Class and Description
class	CancelCommand Cancels a job asynchronously.

Uses of Command in alluxio.cli.table

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

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

Uses of Command in alluxio.cli.table.command

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

Modifier and Type	Class and Description
class	AbstractTableCommand A class which should be extended when implementing commands for the TableShell.
class	AttachDatabaseCommand A command which can be used to attach a UDB to the Alluxio master's table service.
class	DetachDatabaseCommand This command removes a database from the table master.
class	ListDatabasesCommand List information about attached databases and tables in the Alluxio catalog.
class	SyncDatabaseCommand A command which can be used to sync a database with the underlying udb.
class	TransformStatusCommand Check transformation status.
class	TransformTableCommand Transforms a structured table in Alluxio.