Class IWbemServicesFFM

java.lang.Object

oshi.ffm.ForeignFunctions

oshi.ffm.windows.com.IUnknownFFM

oshi.ffm.windows.com.ComObjectFFM

oshi.ffm.windows.com.IWbemServicesFFM

public final class IWbemServicesFFM
extends ComObjectFFM

FFM bindings for the IWbemServices COM interface.

IWbemServices is used to execute WMI queries and access WMI objects.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	WQL	WQL query language identifier.

Fields inherited from class ComObjectFFM

PTR_SIZE

Fields inherited from class ForeignFunctions

CAPTURE_CALL_STATE, CAPTURED_STATE_LAYOUT, ERRNO_HANDLE, LIBRARY_ARENA, LINKER, SYMBOL_LOOKUP

Method Summary

Modifier and Type	Method	Description
static Optional<MemorySegment>	execQuery(MemorySegment pServices, String query, int flags, Arena arena)	Executes a WQL query.
static Optional<MemorySegment>	execQuery(MemorySegment pServices, String query, Arena arena)	Executes a WQL query with default flags (FORWARD_ONLY | RETURN_IMMEDIATELY).

Methods inherited from class ComObjectFFM

createDowncall, getVtable, getVtableFunction

Methods inherited from class IUnknownFFM

addRef, release, safeRelease

Methods inherited from class ForeignFunctions

downcall, getByteArrayFromNativePointer, getErrno, getStringFromNativePointer, getStructFromNativePointer, lib, libraryLookup

Methods inherited from class Object

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

Field Details

WQL

public static final String WQL

WQL query language identifier.

See Also:

• Constant Field Values

Method Details

execQuery

public static Optional<MemorySegment> execQuery(MemorySegment pServices,
 String query,
 int flags,
 Arena arena)

Executes a WQL query.

Parameters:

pServices - the IWbemServices pointer

query - the WQL query string (e.g., "SELECT * FROM Win32_LogicalDisk")

flags - query flags (e.g., WBEM_FLAG_FORWARD_ONLY | WBEM_FLAG_RETURN_IMMEDIATELY)

arena - the arena for memory allocation

Returns:

the IEnumWbemClassObject enumerator, or empty if failed

execQuery

public static Optional<MemorySegment> execQuery(MemorySegment pServices,
 String query,
 Arena arena)

Executes a WQL query with default flags (FORWARD_ONLY | RETURN_IMMEDIATELY).

Parameters:

pServices - the IWbemServices pointer

query - the WQL query string

arena - the arena for memory allocation

Returns:

the IEnumWbemClassObject enumerator, or empty if failed