Interface AppSink.ProposeAllocationCallback

All Superinterfaces:
FunctionPointer
Enclosing class:
AppSink
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 AppSink.ProposeAllocationCallback extends FunctionPointer

Functional interface declaration of the ProposeAllocationCallback callback.

See Also:
  • Method Details

    • run

      boolean run(@Nullable Query query)

      Signal that a new propose_allocation query is available.

      This signal is emitted from the streaming thread and only when the "emit-signals" property is true.

      Since:
      1.24
    • upcall

      default int upcall(MemorySegment sourceAppSink, MemorySegment query)
      The upcall method is called from native code. The parameters are marshaled and run(Query) 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