_ Git - ldk-java/blob - c_sharp/src/org/ldk/structs/EventHandler.cs

   1 using org.ldk.impl;
   2 using org.ldk.enums;
   3 using org.ldk.util;
   4 using System;
   5
   6 namespace org { namespace ldk { namespace structs {
   7
   8 /**
   9  * A trait implemented for objects handling events from [`EventsProvider`].
  10  *
  11  * An async variation also exists for implementations of [`EventsProvider`] that support async
  12  * event handling. The async event handler should satisfy the generic bounds: `F:
  13  * core::future::Future, H: Fn(Event) -> F`.
  14  */
  15 public class EventHandler : CommonBase {
  16         internal readonly bindings.LDKEventHandler bindings_instance;
  17         internal EventHandler(object _dummy, long ptr) : base(ptr) { bindings_instance = null; }
  18         private EventHandler(bindings.LDKEventHandler arg) : base(bindings.LDKEventHandler_new(arg)) {
  19                 this.ptrs_to.AddLast(arg);
  20                 this.bindings_instance = arg;
  21         }
  22         ~EventHandler() {
  23                 if (ptr != 0) { bindings.EventHandler_free(ptr); }
  24         }
  25
  26         public interface EventHandlerInterface {
  27                 /**
  28                  * Handles the given [`Event`].
  29                  *
  30                  * See [`EventsProvider`] for details that must be considered when implementing this method.
  31                  */
  32                 void handle_event(Event _event);
  33         }
  34         private class LDKEventHandlerHolder { internal EventHandler held; }
  35         private class LDKEventHandlerImpl : bindings.LDKEventHandler {
  36                 internal LDKEventHandlerImpl(EventHandlerInterface arg, LDKEventHandlerHolder impl_holder) { this.arg = arg; this.impl_holder = impl_holder; }
  37                 private EventHandlerInterface arg;
  38                 private LDKEventHandlerHolder impl_holder;
  39                 public void handle_event(long _event) {
  40                         org.ldk.structs.Event _event_hu_conv = org.ldk.structs.Event.constr_from_ptr(_event);
  41                         if (_event_hu_conv != null) { _event_hu_conv.ptrs_to.AddLast(this); };
  42                         arg.handle_event(_event_hu_conv);
  43                                 GC.KeepAlive(arg);
  44                 }
  45         }
  46         public static EventHandler new_impl(EventHandlerInterface arg) {
  47                 LDKEventHandlerHolder impl_holder = new LDKEventHandlerHolder();
  48                 impl_holder.held = new EventHandler(new LDKEventHandlerImpl(arg, impl_holder));
  49                 return impl_holder.held;
  50         }
  51         /**
  52          * Handles the given [`Event`].
  53          *
  54          * See [`EventsProvider`] for details that must be considered when implementing this method.
  55          */
  56         public void handle_event(org.ldk.structs.Event _event) {
  57                 bindings.EventHandler_handle_event(this.ptr, _event.ptr);
  58                 GC.KeepAlive(this);
  59                 GC.KeepAlive(_event);
  60         }
  61
  62 }
  63 } } }