IteratorCopyFunction (java-gi API)

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 IteratorCopyFunction extends FunctionPointer

Functional interface declaration of the IteratorCopyFunction callback.

See Also:

Method Summary

Modifier and Type

Method

Description

void

run(Iterator it, Iterator copy)

This function will be called when creating a copy of it and should create a copy of all custom iterator fields or increase their reference counts.

default MemorySegment

toCallback(Arena arena)

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

default void

upcall(MemorySegment it, MemorySegment copy)

The upcall method is called from native code.

Method Details
- run
  
  void run(Iterator it, Iterator copy)
  
  This function will be called when creating a copy of it and should create a copy of all custom iterator fields or increase their reference counts.
- upcall
  
  default void upcall(MemorySegment it, MemorySegment copy)
  
  The upcall method is called from native code. The parameters are marshaled and run(org.freedesktop.gstreamer.gst.Iterator, org.freedesktop.gstreamer.gst.Iterator) is executed.
- toCallback
  
  default MemorySegment toCallback(Arena arena)
  
  Creates a native function pointer to the upcall(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