更新框架

Source/Core/MAX.Notification/INotificationHandler.cs

@@ -0,0 +1,41 @@
+// 摘自 MediatR 14.2.0，许可声明与修改记录见 LICENSE.md 和 UPSTREAM.md。
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace MAX.Notification;
+
+/// <summary>
+/// 定义通知处理器。
+/// </summary>
+/// <typeparam name="TNotification">要处理的通知类型。</typeparam>
+public interface INotificationHandler<in TNotification>
+    where TNotification : INotification
+{
+    /// <summary>
+    /// 处理通知。
+    /// </summary>
+    /// <param name="notification">要处理的通知。</param>
+    /// <param name="cancellationToken">取消令牌。</param>
+    Task Handle(TNotification notification, CancellationToken cancellationToken);
+}
+
+/// <summary>
+/// 同步通知处理器的基类。
+/// </summary>
+/// <typeparam name="TNotification">通知类型。</typeparam>
+public abstract class NotificationHandler<TNotification> : INotificationHandler<TNotification>
+    where TNotification : INotification
+{
+    Task INotificationHandler<TNotification>.Handle(TNotification notification, CancellationToken cancellationToken)
+    {
+        Handle(notification);
+
+        return Task.CompletedTask;
+    }
+
+    /// <summary>
+    /// 在派生类中重写此方法，实现同步通知处理逻辑。
+    /// </summary>
+    /// <param name="notification">要处理的通知。</param>
+    protected abstract void Handle(TNotification notification);
+}