LocalFlowEnvironment文件丢失，需要重写

NodeFlow/Model/Node/SingleFlipflopNode.cs

@@ -0,0 +1,72 @@
+using Serein.Library.Api;
+using Serein.Library;
+using Serein.Library.Utils;
+using System;
+
+namespace Serein.NodeFlow.Model.Node
+{
+    /// <summary>
+    /// 触发器节点
+    /// </summary>
+    public class SingleFlipflopNode : NodeModelBase
+    {
+        public SingleFlipflopNode(IFlowEnvironment environment) : base(environment)
+        {
+
+        }
+
+
+        /// <summary>
+        /// 执行触发器进行等待触发
+        /// </summary>
+        /// <param name="context"></param>
+        /// <returns></returns>
+        /// <exception cref="Exception"></exception>
+        public override async Task<FlowResult> ExecutingAsync(IDynamicContext context, CancellationToken token)
+        {
+            #region 执行前中断
+            if (DebugSetting.IsInterrupt) // 执行触发前
+            {
+                string guid = Guid.ToString();
+                await DebugSetting.GetInterruptTask.Invoke();
+                await Console.Out.WriteLineAsync($"[{MethodDetails.MethodName}]中断已取消，开始执行后继分支");
+            }
+            #endregion
+
+            MethodDetails md = MethodDetails;
+            if (!context.Env.TryGetDelegateDetails(md.AssemblyName, md.MethodName, out var dd)) // 流程运行到某个节点
+            {
+                throw new Exception("不存在对应委托");
+            }
+
+            var instance = context.Env.IOC.Get(md.ActingInstanceType);
+            if (instance is null)
+            {
+                Env.IOC.Register(md.ActingInstanceType).Build();
+                instance = Env.IOC.Get(md.ActingInstanceType);
+            }
+            await dd.InvokeAsync(instance, [context]);
+            var args = await this.GetParametersAsync(context, token);
+            // 因为这里会返回不确定的泛型 IFlipflopContext<TRsult>
+            // 而我们只需要获取到 State 和 Value（返回的数据）
+            // 所以使用 dynamic 类型接收
+            if (token.IsCancellationRequested)
+            {
+                return null;
+            }
+            dynamic dynamicFlipflopContext = await dd.InvokeAsync(instance, args);
+            FlipflopStateType flipflopStateType = dynamicFlipflopContext.State;
+            context.NextOrientation = flipflopStateType.ToContentType();
+
+
+            if (dynamicFlipflopContext.Type == TriggerDescription.Overtime)
+            {
+                throw new FlipflopException(MethodDetails.MethodName + "触发器超时触发。Guid" + Guid);
+            }
+            object result = dynamicFlipflopContext.Value;
+            var flowReslt = new FlowResult(this, context, result);
+            return flowReslt;
+        }
+
+    }
+}