Interface AppSrc.SeekDataCallback

All Superinterfaces:
FunctionPointer
Enclosing class:
AppSrc
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 AppSrc.SeekDataCallback extends FunctionPointer

Functional interface declaration of the SeekDataCallback callback.

See Also:

  • Method Summary

    Modifier and Type
    Method
    Description
    boolean
    run(long offset)
    Seek to the given offset.
    default MemorySegment
    toCallback(Arena arena)
    Creates a native function pointer to the upcall(MemorySegment, long) method.
    default int
    upcall(MemorySegment sourceAppSrc, long offset)
    The upcall method is called from native code.

  • Method Details

    • run

      boolean run(long offset)
      Seek to the given offset. The next push-buffer should produce buffers from the new offset. This callback is only called for seekable stream types.

    • upcall

      default int upcall(MemorySegment sourceAppSrc, long offset)
      The upcall method is called from native code. The parameters are marshaled and run(long) is executed.

    • toCallback

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