org.apache.hadoop.fs.shell

Class WowFsCommand

java.lang.Object

org.apache.hadoop.conf.Configured

org.apache.hadoop.fs.shell.Command

org.apache.hadoop.fs.shell.WowFsCommand

All Implemented Interfaces:

org.apache.hadoop.conf.Configurable

Direct Known Subclasses:

WowCopyCommands.Cp, WowCopyCommands.Merge, WowCount, WowDelete.Rm, WowDelete.Rmdir, WowFsShell.Help, WowFsShell.Usage, WowLs, WowMkdir, WowMoveCommands.Rename

@InterfaceAudience.Private
 @InterfaceStability.Evolving
public abstract class WowFsCommand
extends org.apache.hadoop.fs.shell.Command

Base class for all "hadoop fs" commands

Field Summary

Fields

Modifier and Type	Field and Description
protected String	basePath

Fields inherited from class org.apache.hadoop.fs.shell.Command

args, DESCRIPTION, err, exceptions, exitCode, name, NAME, numErrors, out, recursive, USAGE

Constructor Summary

Constructors

Constructor and Description
WowFsCommand(org.apache.hadoop.conf.Configuration conf, String basePath, PrintStream out, PrintStream error)

Method Summary

Modifier and Type	Method and Description
String	cleanPath(String path)
String	getCommandName()
void	redefineBaseDir(LinkedList<String> args)
static void	registerCommands(org.apache.hadoop.fs.shell.CommandFactory factory) Register the command classes used by the fs subcommand
protected void	run(org.apache.hadoop.fs.Path path)
int	runAll() Deprecated. use Command#run(String...argv)

Methods inherited from class org.apache.hadoop.fs.shell.Command

displayError, displayError, displayWarning, exitCodeForError, expandArgument, expandArguments, getDepth, getDescription, getName, getReplacementCommand, getUsage, isDeprecated, isRecursive, postProcessPath, processArgument, processArguments, processNonexistentPath, processOptions, processPath, processPathArgument, processPaths, processRawArguments, recursePath, run, setName, setRecursive

Methods inherited from class org.apache.hadoop.conf.Configured

getConf, setConf

Methods inherited from class java.lang.Object

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

Field Detail

basePath

protected String basePath

Constructor Detail

WowFsCommand

public WowFsCommand(org.apache.hadoop.conf.Configuration conf,
                    String basePath,
                    PrintStream out,
                    PrintStream error)

Method Detail

registerCommands

public static void registerCommands(org.apache.hadoop.fs.shell.CommandFactory factory)

Register the command classes used by the fs subcommand

Parameters:

factory - where to register the class

getCommandName

public String getCommandName()

Specified by:

getCommandName in class org.apache.hadoop.fs.shell.Command

run

protected void run(org.apache.hadoop.fs.Path path)
            throws IOException

Specified by:

run in class org.apache.hadoop.fs.shell.Command

Throws:

IOException

redefineBaseDir

public void redefineBaseDir(LinkedList<String> args)

cleanPath

public String cleanPath(String path)

runAll

@Deprecated
public int runAll()

Deprecated. use Command#run(String...argv)

Overrides:

runAll in class org.apache.hadoop.fs.shell.Command