org.aoju.bus.health.hardware

Interface GlobalMemory

All Known Implementing Classes:

AbstractGlobalMemory, FreeBsdGlobalMemory, LinuxGlobalMemory, MacGlobalMemory, SolarisGlobalMemory, WindowsGlobalMemory

public interface GlobalMemory

The GlobalMemory class tracks information about the use of a computer's physical memory (RAM) as well as any available virtual memory.

Since:

JDK 1.8+

Version:

5.6.2

Author:

Kimi Liu

Method Summary

Modifier and Type	Method and Description
long	getAvailable() The amount of physical memory currently available, in bytes.
long	getPageSize() The number of bytes in a memory page
PhysicalMemory[]	getPhysicalMemory() Physical memory, such as banks of memory.
long	getTotal() The amount of actual physical memory, in bytes.
VirtualMemory	getVirtualMemory() Virtual memory, such as a swap file.

Method Detail

getTotal

long getTotal()

The amount of actual physical memory, in bytes.

Returns:

Total number of bytes.

getAvailable

long getAvailable()

The amount of physical memory currently available, in bytes.

Returns:

Available number of bytes.

getPageSize

long getPageSize()

The number of bytes in a memory page

Returns:

Page size in bytes.

getVirtualMemory

VirtualMemory getVirtualMemory()

Virtual memory, such as a swap file.

Returns:

A VirtualMemory object.

getPhysicalMemory

PhysicalMemory[] getPhysicalMemory()

Physical memory, such as banks of memory.

On Linux, requires elevated permissions. On FreeBSD and Solaris, requires installation of dmidecode.

Returns:

A list of PhysicalMemory objects.