alluxio.cli.fs.command

Class DeleteLineageCommand

java.lang.Object

alluxio.cli.fs.command.AbstractFileSystemCommand

alluxio.cli.fs.command.DeleteLineageCommand

All Implemented Interfaces:

Command

@ThreadSafe
public final class DeleteLineageCommand
extends AbstractFileSystemCommand

Deletes a lineage by its id. If the cascade flag is set to true it performs a cascading delete.

Field Summary

Fields inherited from class alluxio.cli.fs.command.AbstractFileSystemCommand

mFileSystem

Constructor Summary

Constructors

Constructor and Description
DeleteLineageCommand(FileSystem fs)

Method Summary

Modifier and Type	Method and Description
String	getCommandName() Gets the command name as input from the shell.
String	getDescription()
String	getUsage()
int	run(org.apache.commons.cli.CommandLine cl) Runs the command.
void	validateArgs(org.apache.commons.cli.CommandLine cl) Checks if the arguments are valid or throw InvalidArgumentException.

Methods inherited from class alluxio.cli.fs.command.AbstractFileSystemCommand

runPlainPath, runWildCardCmd

Methods inherited from class java.lang.Object

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

Methods inherited from interface alluxio.cli.Command

getOptions, parseAndValidateArgs

Constructor Detail

DeleteLineageCommand

public DeleteLineageCommand(FileSystem fs)

Parameters:

fs - the filesystem of Alluxio

Method Detail

getCommandName

public String getCommandName()

Description copied from interface: Command

Gets the command name as input from the shell.

Returns:

the command name

validateArgs

public void validateArgs(org.apache.commons.cli.CommandLine cl)
                  throws InvalidArgumentException

Description copied from interface: Command

Checks if the arguments are valid or throw InvalidArgumentException.

Parameters:

cl - the parsed command line for the arguments

Throws:

InvalidArgumentException - when arguments are not valid

run

public int run(org.apache.commons.cli.CommandLine cl)
        throws AlluxioException,
               IOException

Description copied from interface: Command

Runs the command.

Parameters:

cl - the parsed command line for the arguments

Returns:

the result of running the command

Throws:

AlluxioException

IOException

getUsage

public String getUsage()

Returns:

the usage information of the command

getDescription

public String getDescription()

Returns:

the description information of the command