Package org.sm.smtools.application.util

Class SystemInformation

java.lang.Object

org.sm.smtools.application.util.SystemInformation

public final class SystemInformation
extends Object

The SystemInformation class allows gathering of some system information, such as Java VM memory statistics, number of CPUs, and the OS name.

Note that this class cannot be subclassed, nor instantiated!

Version:

23/06/2015

Author:

Sven Maerivoet

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	SystemInformation.EOperatingSystem	The different types of operating systems.

Method Summary

Modifier and Type	Method	Description
static long	getFreeMemory()	Returns the amount of free memory for the application.
static int	getNrOfProcessors()	Returns the number of processors for the JVM.
static SystemInformation.EOperatingSystem	getOperatingSystem()	Returns the type of operating system.
static long	getTotalMemory()	Returns the total available memory that the JVM can have access to.
static long	getUsedMemory()	Returns the amount of memory currently used by the JVM.

Methods inherited from class java.lang.Object

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

Method Details

getTotalMemory

public static long getTotalMemory()

Returns the total available memory that the JVM can have access to.

Returns:

the total available memory (in bytes) that the JVM can have access to

getUsedMemory

public static long getUsedMemory()

Returns the amount of memory currently used by the JVM.

Returns:

the amount of memory (in bytes) currently used by the JVM

getFreeMemory

public static long getFreeMemory()

Returns the amount of free memory for the application.

Returns:

the amount of free memory (in bytes) for the application

getNrOfProcessors

public static int getNrOfProcessors()

Returns the number of processors for the JVM.

Returns:

the number of processors for the JVM

getOperatingSystem

public static SystemInformation.EOperatingSystem getOperatingSystem()

Returns the type of operating system.

Returns:

the type of operating system