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

   1
   2 using org.ldk.impl;
   3 using org.ldk.enums;
   4 using org.ldk.util;
   5 using System;
   6
   7 namespace org { namespace ldk { namespace structs {
   8
   9
  10
  11 /** An implementation of EventHandler */
  12 public interface EventHandlerInterface {
  13         /**Handles the given [`Event`].
  14          *
  15          * See [`EventsProvider`] for details that must be considered when implementing this method.
  16          */
  17         void handle_event(Event _event);
  18 }
  19
  20 /**
  21  * A trait implemented for objects handling events from [`EventsProvider`].
  22  *
  23  * An async variation also exists for implementations of [`EventsProvider`] that support async
  24  * event handling. The async event handler should satisfy the generic bounds: `F:
  25  * core::future::Future, H: Fn(Event) -> F`.
  26  */
  27 public class EventHandler : CommonBase {
  28         internal bindings.LDKEventHandler bindings_instance;
  29         internal long instance_idx;
  30
  31         internal EventHandler(object _dummy, long ptr) : base(ptr) { bindings_instance = null; }
  32         ~EventHandler() {
  33                 if (ptr != 0) { bindings.EventHandler_free(ptr); }
  34         }
  35
  36         private class LDKEventHandlerHolder { internal EventHandler held; }
  37         private class LDKEventHandlerImpl : bindings.LDKEventHandler {
  38                 internal LDKEventHandlerImpl(EventHandlerInterface arg, LDKEventHandlerHolder impl_holder) { this.arg = arg; this.impl_holder = impl_holder; }
  39                 private EventHandlerInterface arg;
  40                 private LDKEventHandlerHolder impl_holder;
  41                 public void handle_event(long _event) {
  42                         org.ldk.structs.Event _event_hu_conv = org.ldk.structs.Event.constr_from_ptr(_event);
  43                         if (_event_hu_conv != null) { _event_hu_conv.ptrs_to.AddLast(this); };
  44                         arg.handle_event(_event_hu_conv);
  45                                 GC.KeepAlive(arg);
  46                 }
  47         }
  48
  49         /** Creates a new instance of EventHandler from a given implementation */
  50         public static EventHandler new_impl(EventHandlerInterface arg) {
  51                 LDKEventHandlerHolder impl_holder = new LDKEventHandlerHolder();
  52                 LDKEventHandlerImpl impl = new LDKEventHandlerImpl(arg, impl_holder);
  53                 long[] ptr_idx = bindings.LDKEventHandler_new(impl);
  54
  55                 impl_holder.held = new EventHandler(null, ptr_idx[0]);
  56                 impl_holder.held.instance_idx = ptr_idx[1];
  57                 impl_holder.held.bindings_instance = impl;
  58                 return impl_holder.held;
  59         }
  60
  61         /**
  62          * Handles the given [`Event`].
  63          *
  64          * See [`EventsProvider`] for details that must be considered when implementing this method.
  65          */
  66         public void handle_event(org.ldk.structs.Event _event) {
  67                 bindings.EventHandler_handle_event(this.ptr, _event.ptr);
  68                 GC.KeepAlive(this);
  69                 GC.KeepAlive(_event);
  70                 if (this != null) { this.ptrs_to.AddLast(_event); };
  71         }
  72
  73 }
  74 } } }