流程返回值改为FlowResult，记录节点信息、上下文信息，为以后的流程调用回溯做准备

Library/Api/IDynamicContext.cs

@@ -54,22 +54,21 @@ namespace Serein.Library.Api
         /// <summary>
         /// 获取节点的数据（当前节点需要获取上一节点数据时，需要从 运行时上一节点 的Guid 通过这个方法进行获取
         /// </summary>
-        /// <param name="nodeGuid"></param>
+        /// <param name="nodeModel"></param>
         /// <returns></returns>
-        object GetFlowData(string nodeGuid);
-
+        FlowResult GetFlowData(NodeModelBase nodeModel);
         /// <summary>
         /// 上一节点数据透传到下一节点
         /// </summary>
         /// <param name="nodeModel"></param>
-        object TransmissionData(NodeModelBase nodeModel);
+        FlowResult TransmissionData(NodeModelBase nodeModel);
 
         /// <summary>
         /// 添加或更新当前节点的数据
         /// </summary>
-        /// <param name="nodeGuid"></param>
+        /// <param name="nodeModel"></param>
         /// <param name="flowData"></param>
-        void AddOrUpdate(string nodeGuid, object flowData);
+        void AddOrUpdate(NodeModelBase nodeModel, FlowResult flowData);
 
         /// <summary>
         /// 重置流程状态（用于对象池回收）

Library/Api/IFlowEnvironment.cs

@@ -950,6 +950,13 @@ namespace Serein.Library.Api
         #endregion
 
         #region 流程运行相关
+        /// <summary>
+        /// 获取节点信息
+        /// </summary>
+        /// <param name="nodeGuid"></param>
+        /// <param name="nodeModel"></param>
+        /// <returns></returns>
+        bool TryGetNodeModel(string nodeGuid, out NodeModelBase nodeModel);
 
         /// <summary>
         /// 获取方法描述信息
@@ -1026,7 +1033,7 @@ namespace Serein.Library.Api
         /// <param name="context">调用时的上下文</param>
         /// <param name="nodeGuid">节点Guid</param>
         /// <returns></returns>
-        Task<object> InvokeNodeAsync(IDynamicContext context, string nodeGuid);
+        // Task<object> InvokeNodeAsync(IDynamicContext context, string nodeGuid);
 
         #endregion
 

Library/Api/IScriptFlowApi.cs

@@ -26,13 +26,13 @@ namespace Serein.Library.Api
         /// <param name="context"></param>
         /// <param name="index"></param>
         /// <returns></returns>
-        object GetArgData(IDynamicContext context, int index);
+        //object GetArgData(IDynamicContext context, int index);
         /// <summary>
         /// 获取流程当前传递的数据
         /// </summary>
         /// <param name="context"></param>
         /// <returns></returns>
-        object GetFlowData(IDynamicContext context);
+        /// FlowResult GetFlowData(IDynamicContext context);
 
         /// <summary>
         /// 获取全局数据