Package org.gnome.glib

Interface OptionArgFunc

All Superinterfaces:

FunctionPointer

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.

@FunctionalInterface
@Generated("io.github.jwharm.JavaGI")
public interface OptionArgFunc
extends FunctionPointer

Functional interface declaration of the OptionArgFunc callback.

See Also:

• run(java.lang.String, java.lang.String, java.lang.foreign.MemorySegment)

Method Summary

Modifier and Type	Method	Description
boolean	run(String optionName, String value, @Nullable MemorySegment data)	The type of function to be passed as callback for OptionArg.CALLBACK options.
default MemorySegment	toCallback(Arena arena)	Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment) method.
default int	upcall(MemorySegment optionName, MemorySegment value, MemorySegment data, MemorySegment _gerrorPointer)	The upcall method is called from native code.

Method Details

run

boolean run(String optionName,
 String value,
 @Nullable
 @Nullable MemorySegment data)
     throws GErrorException

The type of function to be passed as callback for OptionArg.CALLBACK options.

Throws:

GErrorException

upcall

default int upcall(MemorySegment optionName,
 MemorySegment value,
 MemorySegment data,
 MemorySegment _gerrorPointer)

The upcall method is called from native code. The parameters are marshaled and run(java.lang.String, java.lang.String, java.lang.foreign.MemorySegment) is executed.

toCallback

default MemorySegment toCallback(Arena arena)

Creates a native function pointer to the upcall(java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment, java.lang.foreign.MemorySegment) method.

Specified by:

toCallback in interface FunctionPointer

Parameters:

arena - the function pointer will be allocated in this arena

Returns:

the native function pointer