alluxio.cli.command.metadatacache

Class DropCommand

java.lang.Object

alluxio.cli.command.AbstractFuseShellCommand

alluxio.cli.command.metadatacache.AbstractMetadataCacheSubCommand

alluxio.cli.command.metadatacache.DropCommand

All Implemented Interfaces:

Command, FuseCommand, Closeable, AutoCloseable

public final class DropCommand
extends AbstractMetadataCacheSubCommand

The metadata cache 'drop' subcommand.

Field Summary

Fields inherited from class alluxio.cli.command.AbstractFuseShellCommand

mConf, mFileSystem, mParentCommandName

Constructor Summary

Constructors

Constructor and Description
DropCommand(FileSystem fs, AlluxioConfiguration conf, String parentCommandName)

Method Summary

Modifier and Type	Method and Description
String	getCommandName() Gets the command name as input from the shell.
String	getDescription()
String	getUsage()
protected URIStatus	runSubCommand(AlluxioURI path, String[] argv, MetadataCachingFileSystem fileSystem) Run the metadatacache subcommand.

Methods inherited from class alluxio.cli.command.metadatacache.AbstractMetadataCacheSubCommand

run

Methods inherited from class alluxio.cli.command.AbstractFuseShellCommand

getParentCommandName

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface alluxio.cli.FuseCommand

validateArgs

Methods inherited from interface alluxio.cli.Command

close, getOptions, getSubCommands, hasSubCommand, parseAndValidateArgs, run, validateArgs

Constructor Detail

DropCommand

public DropCommand(FileSystem fs,
                   AlluxioConfiguration conf,
                   String parentCommandName)

Parameters:

fs - the file system the command takes effect on

conf - the Alluxio configuration

parentCommandName - the parent command name

Method Detail

getCommandName

public String getCommandName()

Description copied from interface: Command

Gets the command name as input from the shell.

Returns:

the command name

getUsage

public String getUsage()

Returns:

the usage information of the command

runSubCommand

protected URIStatus runSubCommand(AlluxioURI path,
                                  String[] argv,
                                  MetadataCachingFileSystem fileSystem)

Description copied from class: AbstractMetadataCacheSubCommand

Run the metadatacache subcommand.

Specified by:

runSubCommand in class AbstractMetadataCacheSubCommand

Returns:

the result of running the command

getDescription

public String getDescription()

Returns:

the description information of the command