Class WindowsOperatingSystem

java.lang.Object

oshi.software.common.AbstractOperatingSystem

oshi.software.common.os.windows.WindowsOperatingSystem

All Implemented Interfaces:

OperatingSystem

Direct Known Subclasses:

WindowsOperatingSystemJNA

@ThreadSafe
public abstract class WindowsOperatingSystem
extends AbstractOperatingSystem

Common base class for Windows operating system implementations.

Nested Class Summary

Nested classes/interfaces inherited from interface OperatingSystem

OperatingSystem.OSVersionInfo, OperatingSystem.ProcessFiltering, OperatingSystem.ProcessSorting

Modifier and Type	Interface	Description
static class	OperatingSystem.OSVersionInfo	A class representing the Operating System version details.
static final class	OperatingSystem.ProcessFiltering	Constants which may be used to filter Process lists in OperatingSystem.getProcesses(Predicate, Comparator, int), OperatingSystem.getChildProcesses(int, Predicate, Comparator, int), and OperatingSystem.getDescendantProcesses(int, Predicate, Comparator, int).
static final class	OperatingSystem.ProcessSorting	Constants which may be used to sort Process lists in OperatingSystem.getProcesses(Predicate, Comparator, int), OperatingSystem.getChildProcesses(int, Predicate, Comparator, int), and OperatingSystem.getDescendantProcesses(int, Predicate, Comparator, int).

Field Summary

Fields

Modifier and Type	Field	Description
protected static final boolean	USE_PROCSTATE_SUSPENDED	Whether to check thread states to determine if a process is suspended.

Fields inherited from class AbstractOperatingSystem

USE_WHO_COMMAND

Modifier and Type	Field	Description
protected static final boolean	USE_WHO_COMMAND	Whether to use the 'who' command for session queries.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	WindowsOperatingSystem()	Default constructor.

Method Summary

Modifier and Type	Method	Description
protected static String	parseCodeName(int suiteMask)	Gets suites available on the system and return as a codename.
protected String	queryManufacturer()	Queries the OS manufacturer.

Methods inherited from class AbstractOperatingSystem

getBitness, getChildProcesses, getChildrenOrDescendants, getChildrenOrDescendants, getDescendantProcesses, getDesktopWindows, getFamily, getManufacturer, getProcesses, getSessions, getVersionInfo, isElevated, queryAllProcesses, queryBitness, queryChildProcesses, queryDescendantProcesses, queryFamilyVersionInfo, toString

Modifier and Type	Method	Description
int	getBitness()	Gets the bitness (32 or 64) of the operating system.
List<OSProcess>	getChildProcesses(int parentPid, Predicate<OSProcess> filter, Comparator<OSProcess> sort, int limit)	Gets currently running child processes of provided parent PID, optionally filtering, sorting, and limited to the top "N".
protected static Set<Integer>	getChildrenOrDescendants(Collection<OSProcess> allProcs, int parentPid, boolean allDescendants)	Utility method for subclasses to take a full process list as input and return the children or descendants of a particular process.
protected static Set<Integer>	getChildrenOrDescendants(Map<Integer,Integer> parentPidMap, int parentPid, boolean allDescendants)	Utility method for subclasses to take a map of pid to parent as input and return the children or descendants of a particular process.
List<OSProcess>	getDescendantProcesses(int parentPid, Predicate<OSProcess> filter, Comparator<OSProcess> sort, int limit)	Gets currently running processes of provided parent PID's descendants, including their children, the children's children, etc., optionally filtering, sorting, and limited to the top "N".
List<OSDesktopWindow>	getDesktopWindows(boolean visibleOnly)	Gets windows on the operating system's GUI desktop.
String	getFamily()	Get the Operating System family.
String	getManufacturer()	Get the Operating System manufacturer.
List<OSProcess>	getProcesses(Predicate<OSProcess> filter, Comparator<OSProcess> sort, int limit)	Gets currently running processes, optionally filtering, sorting, and limited to the top "N".
List<OSSession>	getSessions()	Gets currently logged in users.
OperatingSystem.OSVersionInfo	getVersionInfo()	Get Operating System version information.
boolean	isElevated()	Determine whether the current process has elevated permissions such as sudo / Administrator
protected abstract List<OSProcess>	queryAllProcesses()	Queries all processes on the system.
protected abstract int	queryBitness(int jvmBitness)	Backup OS-specific query to determine bitness if previous checks fail
protected abstract List<OSProcess>	queryChildProcesses(int parentPid)	Queries the children of a process.
protected abstract List<OSProcess>	queryDescendantProcesses(int parentPid)	Queries the descendants of a process.
protected abstract Pair<String, OperatingSystem.OSVersionInfo>	queryFamilyVersionInfo()	Queries the OS family and version info.
String	toString()

Methods inherited from class Object

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

Methods inherited from interface OperatingSystem

getCgroupInfo, getCurrentProcess, getCurrentThread, getFileSystem, getInstalledApplications, getInternetProtocolStats, getNetworkParams, getProcess, getProcessCount, getProcesses, getProcesses, getProcessId, getServices, getSystemBootTime, getSystemUptime, getThreadCount, getThreadId

Modifier and Type	Method	Description
default CgroupInfo	getCgroupInfo()	Retrieves cgroup information for the current process.
default OSProcess	getCurrentProcess()	Gets the current process.
OSThread	getCurrentThread()	Makes a best effort to get the current thread.
FileSystem	getFileSystem()	Instantiates a FileSystem object.
default List<ApplicationInfo>	getInstalledApplications()	Retrieves a list of installed applications on the system.
InternetProtocolStats	getInternetProtocolStats()	Instantiates a InternetProtocolStats object.
NetworkParams	getNetworkParams()	Instantiates a NetworkParams object.
OSProcess	getProcess(int pid)	Gets information on a currently running process
int	getProcessCount()	Get the number of processes currently running
default List<OSProcess>	getProcesses()	Gets currently running processes.
default List<OSProcess>	getProcesses(Collection<Integer> pids)	Gets information on a Collection of currently running processes.
int	getProcessId()	Gets the current process ID (PID).
default List<OSService>	getServices()	Gets the all services on the system.
long	getSystemBootTime()	Get Unix time of boot.
long	getSystemUptime()	Get the System up time (time since boot).
int	getThreadCount()	Get the number of threads currently running
int	getThreadId()	Makes a best effort to get the current thread ID (TID).

Field Details

USE_PROCSTATE_SUSPENDED

protected static final boolean USE_PROCSTATE_SUSPENDED

Whether to check thread states to determine if a process is suspended.

Constructor Details

WindowsOperatingSystem

protected WindowsOperatingSystem()

Default constructor.

Method Details

queryManufacturer

protected String queryManufacturer()

Description copied from class: AbstractOperatingSystem

Queries the OS manufacturer.

Specified by:

queryManufacturer in class AbstractOperatingSystem

Returns:

the manufacturer string

parseCodeName

protected static String parseCodeName(int suiteMask)

Gets suites available on the system and return as a codename.

Parameters:

suiteMask - The suite mask bitmask

Returns:

Suites