Eabei.Events/EventsBus.cs

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using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Eabei.Events
{
    public class EventsBus : Eabei.Helper.SingleInstance<EventsBus>
    {
        //事件处理委托
        public delegate void EventCallBackHandle(params object[] args);

        public delegate void EventBusHandler(IEvent @event, EventCallBackHandle callBack = null);

        private ConcurrentDictionary<string, List<EventBusHandler>> eventDictionary = new ConcurrentDictionary<string, List<EventBusHandler>>();


        public void Subscribe<TEvent>(EventBusHandler @handle) where TEvent : IEvent
        {
            string name = typeof(TEvent).Name;

            if (eventDictionary.ContainsKey(name))
                eventDictionary[name].Add(@handle);
            else
                eventDictionary.TryAdd(name, new List<EventBusHandler>() { @handle });
        }

        public void UnSubscribe<TEvent>(EventBusHandler @handle) where TEvent : IEvent
        {
            string name = typeof(TEvent).Name;

            if (eventDictionary.ContainsKey(name))
                eventDictionary[name].Remove(@handle);
        }

        /// <summary>
        /// 事件发布执行，不带返回
        /// </summary>
        public void Publish(IEvent @event, EventCallBackHandle eventCallBack)
        {
            string name = @event.GetType().Name;
            List<object> result = new List<object>();
            if (eventDictionary.ContainsKey(name))
            {
                for (int i = eventDictionary[name].Count - 1; i >= 0; i--)
                    eventDictionary[name][i](@event, delegate (object[] args)
                     {
                         result.AddRange(args);
                     });
            }
            eventCallBack.Invoke(result.ToArray());
        }

        /// <summary>
        /// 事件发布执行，不带返回
        /// </summary>
        public void Publish(IEvent @event)
        {