Interface Settings.WritableChangedCallback

All Superinterfaces:
FunctionPointer
Enclosing class:
Settings
Functional Interface:
This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
@FunctionalInterface public static interface Settings.WritableChangedCallback extends FunctionPointer

Functional interface declaration of the WritableChangedCallback callback.

See Also:

  • Method Details

    • run

      void run(String key)

      Emitted when the writability of a key has potentially changed.

      You should call Settings.isWritable(String) in order to determine the new status.

      This signal supports detailed connections. You can connect to the detailed signal writable-changed::x in order to only receive callbacks when the writability of x changes.

    • upcall

      default void upcall(MemorySegment sourceSettings, MemorySegment key)
      The upcall method is called from native code. The parameters are marshaled and run(String) is executed.

    • toCallback

      default MemorySegment toCallback(Arena arena)
      Creates a native function pointer to the upcall(MemorySegment, MemorySegment) method.
      Specified by:
      toCallback in interface FunctionPointer
      Parameters:
      arena - the arena in which the function pointer is allocated
      Returns:
      the native function pointer