org.apache.reef.util

Class OSUtils

java.lang.Object

org.apache.reef.util.OSUtils

public final class OSUtils
extends Object

OS utils.

Method Summary

Methods

Modifier and Type	Method and Description
static String	formatVariable(String variableName) Formats the given variable for expansion by Windows (%VARIABLE%) or Linux ($VARIABLE).
static long	getPID()
static boolean	isLinux() Determines whether the current JVM is running on the Linux OS.
static boolean	isMac() Determines whether the current JVM is running on the Mac OS.
static boolean	isUnix() Determines whether the current JVM is running on the Unix-based OS.
static boolean	isWindows() Determines whether the current JVM is running on the Windows OS.
static void	kill(long pid) Kill the process.

Methods inherited from class java.lang.Object

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

Method Detail

isWindows

public static boolean isWindows()

Determines whether the current JVM is running on the Windows OS.

Returns:

true, if the JVM is running on Windows. false, otherwise

isUnix

public static boolean isUnix()

Determines whether the current JVM is running on the Unix-based OS.

Returns:

true, if the JVM is running on Linux/Mac. false, otherwise

isLinux

public static boolean isLinux()

Determines whether the current JVM is running on the Linux OS.

Returns:

true, if the JVM is running on Linux. false, otherwise

isMac

public static boolean isMac()

Determines whether the current JVM is running on the Mac OS.

Returns:

true, if the JVM is running on Mac. false, otherwise

getPID

public static long getPID()

Returns:

the process ID of the JVM, if running on Linux/Windows. This returns -1 for other OSs.

kill

public static void kill(long pid)
                 throws IOException,
                        InterruptedException

Kill the process.

Parameters:

pid - Process id

Throws:

IOException

InterruptedException

formatVariable

public static String formatVariable(String variableName)

Formats the given variable for expansion by Windows (%VARIABLE%) or Linux ($VARIABLE).

Parameters:

variableName -

Returns: