edu.wisc.ssec.mcidasv.util

Class GetMem

java.lang.Object

edu.wisc.ssec.mcidasv.util.GetMem

public class GetMem
extends Object

Wrapper for OperatingSystemMXBean

Constructor Summary

Constructors

Constructor and Description
GetMem()

Method Summary

Methods

Modifier and Type	Method and Description
private <T> T	callMXBeanMethod(String methodName, T defaultValue) Call a method belonging to OperatingSystemMXBean and return the result.
static String	getMemory() Get total system memory and print it out--accounts for 32bit JRE limitation of 1.5GB.
static void	main(String[] args) The main.

Methods inherited from class java.lang.Object

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

Constructor Detail

GetMem

public GetMem()

Method Detail

callMXBeanMethod

private <T> T callMXBeanMethod(String methodName,
                     T defaultValue)

Call a method belonging to OperatingSystemMXBean and return the result.

Type Parameters:

T - Type of the expected return and defaultValue.

Parameters:

methodName - Name of the OperatingSystemMXBean method to call. Cannot be null or empty.

defaultValue - Value to return if the call to methodName fails.

Returns:

Either the value returned by the methodName call, or defaultValue.

getMemory

public static String getMemory()
                        throws Exception

Get total system memory and print it out--accounts for 32bit JRE limitation of 1.5GB.

Returns:

String representation of the total amount of system memory.

Throws:

Exception

main

public static void main(String[] args)

The main. Get total system memory and print it out.

Parameters:

args - Ignored.