oshi.hardware.common

Class AbstractGlobalMemory

java.lang.Object

oshi.hardware.common.AbstractGlobalMemory

All Implemented Interfaces:

Serializable, GlobalMemory

Direct Known Subclasses:

FreeBsdGlobalMemory, LinuxGlobalMemory, MacGlobalMemory, SolarisGlobalMemory, WindowsGlobalMemory

public abstract class AbstractGlobalMemory
extends Object
implements GlobalMemory

Memory obtained by /proc/meminfo and sysinfo.totalram

Author:

alessandro[at]perucchi[dot]org, widdis[at]gmail[dot]com

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected long	memAvailable
protected long	memTotal
protected long	swapTotal
protected long	swapUsed

Constructor Summary

Constructors

Constructor and Description
AbstractGlobalMemory()

Method Summary

Modifier and Type	Method and Description
long	getAvailable() The amount of physical memory currently available, in bytes.
long	getSwapTotal() The current size of the paging/swap file(s), in bytes.
long	getSwapUsed() The current memory committed to the paging/swap file(s), in bytes
long	getTotal() The amount of actual physical memory, in bytes.
protected abstract void	updateMeminfo() Updates physical memory instance variables.
protected abstract void	updateSwap() Updates virtual memory instance variables.

Methods inherited from class java.lang.Object

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

Field Detail

memTotal

protected long memTotal

memAvailable

protected long memAvailable

swapTotal

protected long swapTotal

swapUsed

protected long swapUsed

Constructor Detail

AbstractGlobalMemory

public AbstractGlobalMemory()

Method Detail

updateMeminfo

protected abstract void updateMeminfo()

Updates physical memory instance variables.

updateSwap

protected abstract void updateSwap()

Updates virtual memory instance variables.

getAvailable

public long getAvailable()

The amount of physical memory currently available, in bytes.

Specified by:

getAvailable in interface GlobalMemory

Returns:

Available number of bytes.

getTotal

public long getTotal()

The amount of actual physical memory, in bytes.

Specified by:

getTotal in interface GlobalMemory

Returns:

Total number of bytes.

getSwapUsed

public long getSwapUsed()

The current memory committed to the paging/swap file(s), in bytes

Specified by:

getSwapUsed in interface GlobalMemory

Returns:

Swap used in bytes

getSwapTotal

public long getSwapTotal()

The current size of the paging/swap file(s), in bytes. If the paging/swap file can be extended, this is a soft limit.

Specified by:

getSwapTotal in interface GlobalMemory

Returns:

Total swap in bytes.