alluxio.cli.extensions

Class ExtensionsShellUtils

java.lang.Object

alluxio.cli.extensions.ExtensionsShellUtils

@ThreadSafe
public final class ExtensionsShellUtils
extends Object

Class for convenience methods used by instances of ExtensionsShell.

Method Summary

Modifier and Type	Method and Description
static List<String>	getMasterHostnames() Gets list of masters in conf directory.
static Set<String>	getServerHostnames() Gets list of masters/workers in conf directory.
static List<String>	getWorkerHostnames() Gets list of workers in conf directory.
static Map<String,Command>	loadCommands() Gets all Command instances in the same package as ExtensionsShell and loads them into a map.

Methods inherited from class java.lang.Object

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

Method Detail

loadCommands

public static Map<String,Command> loadCommands()

Gets all Command instances in the same package as ExtensionsShell and loads them into a map.

Returns:

a mapping from command name to command instance

getMasterHostnames

public static List<String> getMasterHostnames()

Gets list of masters in conf directory.

Returns:

master hostnames

getServerHostnames

public static Set<String> getServerHostnames()

Gets list of masters/workers in conf directory.

Returns:

server hostnames

getWorkerHostnames

public static List<String> getWorkerHostnames()

Gets list of workers in conf directory.

Returns:

workers hostnames