mirror of
https://gitee.com/langsisi_admin/serein-flow
synced 2026-03-03 00:00:49 +08:00
474 lines
21 KiB
C#
474 lines
21 KiB
C#
using Microsoft.CodeAnalysis.CSharp.Syntax;
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using Serein.Library.Api;
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using Serein.Library.Utils;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Xml.Linq;
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namespace Serein.Library
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{
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/// <summary>
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/// 节点方法拓展
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/// </summary>
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public static class FlowModelExtension
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{
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/// <summary>
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/// 导出为画布信息
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/// </summary>
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/// <param name="model"></param>
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/// <returns></returns>
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public static FlowCanvasDetailsInfo ToInfo(this FlowCanvasDetails model)
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{
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return new FlowCanvasDetailsInfo
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{
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Guid = model.Guid,
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Height = model.Height,
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Width = model.Width,
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Name = model.Name,
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ScaleX = model.ScaleX,
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ScaleY = model.ScaleY,
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ViewX = model.ViewX,
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ViewY = model.ViewY,
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StartNode = model.StartNode,
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};
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}
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/// <summary>
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/// 从画布信息加载
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/// </summary>
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/// <param name="model"></param>
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/// <param name="info"></param>
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public static void LoadInfo(this FlowCanvasDetails model, FlowCanvasDetailsInfo info)
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{
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model.Guid = info.Guid;
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model.Height = info.Height;
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model.Width = info.Width;
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model.Name = info.Name;
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model.ScaleX = info.ScaleX;
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model.ScaleY = info.ScaleY;
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model.ViewX = info.ViewX;
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model.ViewY = info.ViewY;
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model.StartNode = info.StartNode;
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}
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/// <summary>
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/// 输出方法参数信息
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/// </summary>
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/// <returns></returns>
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public static ParameterData[] SaveParameterInfo(this NodeModelBase nodeModel)
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{
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if (nodeModel.MethodDetails.ParameterDetailss == null)
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{
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return new ParameterData[0];
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}
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if (nodeModel.MethodDetails.ParameterDetailss.Length > 0)
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{
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return nodeModel.MethodDetails.ParameterDetailss
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.Select(it => new ParameterData
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{
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SourceNodeGuid = it.ArgDataSourceNodeGuid,
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SourceType = it.ArgDataSourceType.ToString(),
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State = it.IsExplicitData,
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ArgName = it.Name,
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Value = it.DataValue,
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})
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.ToArray();
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}
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else
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{
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return Array.Empty<ParameterData>();
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}
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}
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/// <summary>
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/// 导出为节点信息
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/// </summary>
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/// <returns></returns>
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public static NodeInfo ToInfo(this NodeModelBase nodeModel)
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{
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// if (MethodDetails == null) return null;
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var trueNodes = nodeModel.SuccessorNodes[ConnectionInvokeType.IsSucceed].Select(item => item.Guid); // 真分支
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var falseNodes = nodeModel.SuccessorNodes[ConnectionInvokeType.IsFail].Select(item => item.Guid);// 假分支
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var errorNodes = nodeModel.SuccessorNodes[ConnectionInvokeType.IsError].Select(item => item.Guid);// 异常分支
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var upstreamNodes = nodeModel.SuccessorNodes[ConnectionInvokeType.Upstream].Select(item => item.Guid);// 上游分支
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// 生成参数列表
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ParameterData[] parameterData = nodeModel.SaveParameterInfo();
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NodeInfo nodeInfo = new NodeInfo
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{
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Guid = nodeModel.Guid,
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CanvasGuid = nodeModel.CanvasGuid,
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AssemblyName = nodeModel.MethodDetails.AssemblyName,
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MethodName = nodeModel.MethodDetails?.MethodName,
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Label = nodeModel.MethodDetails?.MethodAnotherName,
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Type = nodeModel.ControlType.ToString(), //this.GetType().ToString(),
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TrueNodes = trueNodes.ToArray(),
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FalseNodes = falseNodes.ToArray(),
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UpstreamNodes = upstreamNodes.ToArray(),
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ParameterData = parameterData.ToArray(),
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ErrorNodes = errorNodes.ToArray(),
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Position = nodeModel.Position,
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IsProtectionParameter = nodeModel.MethodDetails.IsProtectionParameter,
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IsInterrupt = nodeModel.DebugSetting.IsInterrupt,
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IsEnable = nodeModel.DebugSetting.IsEnable,
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ParentNodeGuid = nodeModel.ContainerNode?.Guid,
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ChildNodeGuids = nodeModel.ChildrenNode.Select(item => item.Guid).ToArray(),
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};
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nodeInfo.Position.X = Math.Round(nodeInfo.Position.X, 1);
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nodeInfo.Position.Y = Math.Round(nodeInfo.Position.Y, 1);
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nodeInfo = nodeModel.SaveCustomData(nodeInfo);
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return nodeInfo;
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}
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/// <summary>
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/// 从节点信息加载节点
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/// </summary>
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/// <param name="nodeInfo"></param>
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/// <returns></returns>
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public static void LoadInfo(this NodeModelBase nodeModel, NodeInfo nodeInfo)
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{
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nodeModel.Guid = nodeInfo.Guid;
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nodeModel.Position = nodeInfo.Position ?? new PositionOfUI(0, 0);// 加载位置信息
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var md = nodeModel.MethodDetails; // 当前节点的方法说明
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nodeModel.MethodDetails.IsProtectionParameter = nodeInfo.IsProtectionParameter; // 保护参数
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nodeModel.DebugSetting.IsInterrupt = nodeInfo.IsInterrupt; // 是否中断
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nodeModel.DebugSetting.IsEnable = nodeInfo.IsEnable; // 是否使能
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if (md != null)
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{
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if (md.ParameterDetailss == null)
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{
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md.ParameterDetailss = new ParameterDetails[0];
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}
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var pds = md.ParameterDetailss; // 当前节点的入参描述数组
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#region 类库方法型节点加载参数
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if (nodeInfo.ParameterData.Length > pds.Length && md.HasParamsArg)
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{
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// 保存的参数信息项数量大于方法本身的方法入参数量（可能存在可变入参）
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var length = nodeInfo.ParameterData.Length - pds.Length; // 需要扩容的长度
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nodeModel.MethodDetails.ParameterDetailss = ArrayHelper.Expansion(pds, length); // 扩容入参描述数组
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pds = md.ParameterDetailss; // 当前节点的入参描述数组
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var startParmsPd = pds[md.ParamsArgIndex]; // 获取可变入参参数描述
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for (int i = md.ParamsArgIndex + 1; i <= md.ParamsArgIndex + length; i++)
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{
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pds[i] = startParmsPd.CloneOfModel(nodeModel);
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pds[i].Index = pds[i - 1].Index + 1;
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pds[i].IsParams = true;
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}
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}
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for (int i = 0; i < nodeInfo.ParameterData.Length; i++)
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{
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if (i >= pds.Length)
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{
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nodeModel.Env.WriteLine(InfoType.ERROR, $"保存的参数数量大于方法此时的入参参数数量：[{nodeInfo.Guid}][{nodeInfo.MethodName}]");
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break;
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}
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var pd = pds[i];
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ParameterData pdInfo = nodeInfo.ParameterData[i];
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pd.IsExplicitData = pdInfo.State;
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pd.DataValue = pdInfo.Value;
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pd.ArgDataSourceType = EnumHelper.ConvertEnum<ConnectionArgSourceType>(pdInfo.SourceType);
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pd.ArgDataSourceNodeGuid = pdInfo.SourceNodeGuid;
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}
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nodeModel.LoadCustomData(nodeInfo); // 加载自定义数据
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#endregion
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}
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}
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/// <summary>
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/// 开始执行
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/// </summary>
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/// <param name="context"></param>
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/// <param name="token">流程运行</param>
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/// <returns></returns>
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public static async Task StartFlowAsync(this NodeModelBase nodeModel, IDynamicContext context, CancellationToken token)
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{
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Stack<NodeModelBase> stack = new Stack<NodeModelBase>();
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HashSet<NodeModelBase> processedNodes = new HashSet<NodeModelBase>(); // 用于记录已处理上游节点的节点
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stack.Push(nodeModel);
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while (context.RunState != RunState.Completion // 没有完成
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&& token.IsCancellationRequested == false // 没有取消
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&& stack.Count > 0) // 循环中直到栈为空才会退出循环
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{
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#if DEBUG
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await Task.Delay(1);
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#endif
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#region 执行相关
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// 从栈中弹出一个节点作为当前节点进行处理
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var currentNode = stack.Pop();
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context.NextOrientation = ConnectionInvokeType.None; // 重置上下文状态
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FlowResult flowResult;
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try
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{
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flowResult = await currentNode.ExecutingAsync(context, token);
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if (context.NextOrientation == ConnectionInvokeType.None) // 没有手动设置时，进行自动设置
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{
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context.NextOrientation = ConnectionInvokeType.IsSucceed;
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}
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}
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catch (Exception ex)
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{
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flowResult = new FlowResult(currentNode,context);
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context.Env.WriteLine(InfoType.ERROR, $"节点[{currentNode.Guid}]异常：" + ex);
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context.NextOrientation = ConnectionInvokeType.IsError;
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context.ExceptionOfRuning = ex;
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}
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context.AddOrUpdate(currentNode, flowResult); // 上下文中更新数据
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#endregion
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#region 执行完成
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// 首先将指定类别后继分支的所有节点逆序推入栈中
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var nextNodes = currentNode.SuccessorNodes[context.NextOrientation];
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for (int index = nextNodes.Count - 1; index >= 0; index--)
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{
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// 筛选出启用的节点的节点
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if (nextNodes[index].DebugSetting.IsEnable)
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{
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context.SetPreviousNode(nextNodes[index], currentNode);
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stack.Push(nextNodes[index]);
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}
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}
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// 然后将指上游分支的所有节点逆序推入栈中
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var upstreamNodes = currentNode.SuccessorNodes[ConnectionInvokeType.Upstream];
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for (int index = upstreamNodes.Count - 1; index >= 0; index--)
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{
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// 筛选出启用的节点的节点
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if (upstreamNodes[index].DebugSetting.IsEnable)
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{
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context.SetPreviousNode(upstreamNodes[index], currentNode);
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stack.Push(upstreamNodes[index]);
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}
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}
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#endregion
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}
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}
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/// <summary>
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/// 获取对应的参数数组
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/// </summary>
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public static async Task<object[]> GetParametersAsync(this NodeModelBase nodeModel, IDynamicContext context, CancellationToken token)
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{
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if (nodeModel.MethodDetails.ParameterDetailss.Length == 0)
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{
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return Array.Empty<object>(); // 无参数
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}
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var md = nodeModel.MethodDetails;
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var pds = md.ParameterDetailss;
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#region 定义返回的参数数组
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object[] args;
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Array paramsArgs = null; // 初始化可选参数
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int paramsArgIndex = 0; // 可选参数下标，与 object[] paramsArgs 一起使用
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if (md.ParamsArgIndex >= 0) // 存在可变入参参数
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{
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var paramsArgType = pds[md.ParamsArgIndex].DataType; // 获取可变参数的参数类型
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int paramsLength = pds.Length - md.ParamsArgIndex; // 可变参数数组长度 = 方法参数个数 - （ 可选入参下标 + 1 ）
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paramsArgs = Array.CreateInstance(paramsArgType, paramsLength);// 可变参数
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args = new object[md.ParamsArgIndex + 1]; // 调用方法的入参数组
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args[md.ParamsArgIndex] = paramsArgs; // 如果存在可选参数，入参参数最后一项则为可变参数
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}
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else
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{
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// 不存在可选参数
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args = new object[pds.Length]; // 调用方法的入参数组
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}
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#endregion
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// 常规参数的获取
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for (int i = 0; i < args.Length; i++)
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{
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var pd = pds[i];
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args[i] = await pd.ToMethodArgData(context); // 获取数据
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}
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// 可选参数的获取
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if (md.ParamsArgIndex >= 0)
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{
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for (int i = 0; i < paramsArgs.Length; i++)
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{
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var pd = md.ParameterDetailss[paramsArgIndex + i];
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var data = await pd.ToMethodArgData(context); // 获取数据
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paramsArgs.SetValue(data, i);// 设置到数组中
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}
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args[args.Length - 1] = paramsArgs;
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}
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return args;
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}
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/// <summary>
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/// 检查监视表达式是否生效
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/// </summary>
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/// <param name="nodeModel">节点Moel</param>
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/// <param name="context">上下文</param>
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/// <param name="newData">新的数据</param>
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/// <returns></returns>
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/*public static async Task CheckExpInterrupt(this NodeModelBase nodeModel, IDynamicContext context, object newData = null)
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{
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string guid = nodeModel.Guid;
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context.AddOrUpdate(guid, newData); // 上下文中更新数据
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if (newData is null)
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{
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}
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else
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{
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await nodeModel.MonitorObjExpInterrupt(context, newData, 0); // 首先监视对象
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await nodeModel.MonitorObjExpInterrupt(context, newData, 1); // 然后监视节点
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//nodeModel.FlowData = newData; // 替换数据
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}
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}*/
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/// <summary>
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/// 监视对象表达式中断
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/// </summary>
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/// <param name="nodeModel"></param>
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/// <param name="context"></param>
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/// <param name="data"></param>
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/// <param name="monitorType"></param>
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/// <returns></returns>
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/*private static async Task MonitorObjExpInterrupt(this NodeModelBase nodeModel, IDynamicContext context, object data, int monitorType)
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{
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MonitorObjectEventArgs.ObjSourceType sourceType;
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string key;
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if (monitorType == 0)
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{
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key = data?.GetType()?.FullName;
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sourceType = MonitorObjectEventArgs.ObjSourceType.IOCObj;
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}
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else
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{
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key = nodeModel.Guid;
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sourceType = MonitorObjectEventArgs.ObjSourceType.IOCObj;
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}
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if (string.IsNullOrEmpty(key))
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{
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return;
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}
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//(var isMonitor, var exps) = await context.Env.CheckObjMonitorStateAsync(key);
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//if (isMonitor) // 如果新的数据处于查看状态，通知UI进行更新？交给运行环境判断？
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//{
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// context.Env.MonitorObjectNotification(nodeModel.Guid, data, sourceType); // 对象处于监视状态，通知UI更新数据显示
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// if (exps.Length > 0)
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// {
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// // 表达式环境下判断是否需要执行中断
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// bool isExpInterrupt = false;
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// string exp = "";
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// // 判断执行监视表达式，直到为 true 时退出
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// for (int i = 0; i < exps.Length && !isExpInterrupt; i++)
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// {
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// exp = exps[i];
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// if (string.IsNullOrEmpty(exp)) continue;
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// // isExpInterrupt = SereinConditionParser.To(data, exp);
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// }
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// if (isExpInterrupt) // 触发中断
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// {
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// nodeModel.DebugSetting.IsInterrupt = true;
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// if (await context.Env.SetNodeInterruptAsync(nodeModel.Guid,true))
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// {
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// context.Env.TriggerInterrupt(nodeModel.Guid, exp, InterruptTriggerEventArgs.InterruptTriggerType.Exp);
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// var cancelType = await nodeModel.DebugSetting.GetInterruptTask();
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// await Console.Out.WriteLineAsync($"[{data}]中断已{cancelType}，开始执行后继分支");
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// nodeModel.DebugSetting.IsInterrupt = false;
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// }
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// }
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// }
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//}
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}*/
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/// <summary>
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/// 不再中断
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/// </summary>
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public static void CancelInterrupt(NodeModelBase nodeModel)
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{
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nodeModel.DebugSetting.IsInterrupt = false;
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nodeModel.DebugSetting.CancelInterrupt?.Invoke();
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}
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#if DEBUG
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/// <summary>
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/// 程序集更新，更新节点方法描述、以及所有入参描述的类型
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/// </summary>
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/// <param name="nodeModel">节点Model</param>
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/// <param name="newMd">新的方法描述</param>
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public static void UploadMethod(this NodeModelBase nodeModel, MethodDetails newMd)
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{
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var thisMd = nodeModel.MethodDetails;
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thisMd.ActingInstanceType = newMd.ActingInstanceType; // 更新方法需要的类型
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var thisPds = thisMd.ParameterDetailss;
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var newPds = newMd.ParameterDetailss;
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// 当前存在可变参数，且新的方法也存在可变参数，需要把可变参数的数目与值传递过去
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if (thisMd.HasParamsArg && newMd.HasParamsArg)
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{
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int paramsLength = thisPds.Length - thisMd.ParamsArgIndex - 1; // 确定扩容长度
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newMd.ParameterDetailss = ArrayHelper.Expansion(newPds, paramsLength);// 为新方法的入参参数描述进行扩容
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newPds = newMd.ParameterDetailss;
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int index = newMd.ParamsArgIndex; // 记录
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var templatePd = newPds[newMd.ParamsArgIndex]; // 新的入参模板
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for (int i = thisMd.ParamsArgIndex; i < thisPds.Length; i++)
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{
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ParameterDetails thisPd = thisPds[i];
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var newPd = templatePd.CloneOfModel(nodeModel); // 复制参数描述
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newPd.Index = i + 1; // 更新索引
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newPd.IsParams = true;
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newPd.DataValue = thisPd.DataValue; // 保留参数值
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newPd.ArgDataSourceNodeGuid = thisPd.ArgDataSourceNodeGuid; // 保留参数来源信息
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newPd.ArgDataSourceType = thisPd.ArgDataSourceType; // 保留参数来源信息
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newPd.IsParams = thisPd.IsParams; // 保留显式参数设置
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newPds[index++] = newPd;
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}
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}
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var thidPdLength = thisMd.HasParamsArg ? thisMd.ParamsArgIndex : thisPds.Length;
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// 遍历当前的参数描述（不包含可变参数），找到匹配项，复制必要的数据进行保留
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for (int i = 0; i < thisPds.Length; i++)
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{
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ParameterDetails thisPd = thisPds[i];
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var newPd = newPds.FirstOrDefault(t_newPd => !t_newPd.IsParams // 不为可变参数
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&& t_newPd.Name.Equals(thisPd.Name, StringComparison.OrdinalIgnoreCase) // 存在相同名称
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&& t_newPd.DataType.Name.Equals(thisPd.DataType.Name) // 存在相同入参类型名称（以类型作为区分）
|
||
);
|
||
if (newPd != null) // 如果匹配上了
|
||
{
|
||
newPd.DataValue = thisPd.DataValue; // 保留参数值
|
||
newPd.ArgDataSourceNodeGuid = thisPd.ArgDataSourceNodeGuid; // 保留参数来源信息
|
||
newPd.ArgDataSourceType = thisPd.ArgDataSourceType; // 保留参数来源信息
|
||
newPd.IsParams = thisPd.IsParams; // 保留显式参数设置
|
||
}
|
||
}
|
||
thisMd.ReturnType = newMd.ReturnType;
|
||
nodeModel.MethodDetails = newMd;
|
||
|
||
}
|
||
#endif
|
||
|
||
}
|
||
}
|
