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486 lines
16 KiB
C#
486 lines
16 KiB
C#
// ***********************************************************************
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// Assembly : OpenAuth.App
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// Author : 李玉宝
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// Created : 07-19-2018
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//
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// Last Modified By : 李玉宝
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// Last Modified On : 07-19-2018
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// ***********************************************************************
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// <copyright file="FlowRuntime.cs" company="OpenAuth.App">
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// Copyright (c) http://www.openauth.net.cn. All rights reserved.
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// </copyright>
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// <summary>
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// 一个正在运行中的流程实例
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//</summary>
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// ***********************************************************************
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using Infrastructure;
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using Newtonsoft.Json.Linq;
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using OpenAuth.Repository.Domain;
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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.Net.Http;
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using System.Text;
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using Castle.Core.Internal;
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namespace OpenAuth.App.Flow
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{
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public class FlowRuntime
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{
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/// <summary>
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/// 构造函数
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/// </summary>
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public FlowRuntime(FlowInstance instance)
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{
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dynamic schemeContentJson = instance.SchemeContent.ToJson();//获取工作流模板内容的json对象;
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InitLines(schemeContentJson);
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InitNodes(schemeContentJson);
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currentNodeId = (instance.ActivityId == "" ? startNodeId : instance.ActivityId);
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currentNodeType = GetNodeType(currentNodeId);
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FrmData = instance.FrmData;
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title = schemeContentJson.title;
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initNum = schemeContentJson.initNum?? 0;
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previousId = instance.PreviousId;
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flowInstanceId = instance.Id;
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//会签开始节点和流程结束节点没有下一步
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if (currentNodeType == 0 || currentNodeType == 4)
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{
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nextNodeId = "-1";
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nextNodeType = -1;
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}
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else
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{
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nextNodeId = GetNextNodeId();//下一个节点
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nextNodeType = GetNodeType(nextNodeId);
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}
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}
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#region 私有方法
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/// <summary>
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/// 获取工作流节点的字典列表:key节点id
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/// </summary>
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/// <param name="schemeContentJson"></param>
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/// <returns></returns>
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private void InitNodes(dynamic schemeContentJson)
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{
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Nodes = new Dictionary<string, FlowNode>();
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foreach (JObject item in schemeContentJson.nodes)
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{
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var node = item.ToObject<FlowNode>();
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if (!Nodes.ContainsKey(node.id))
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{
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Nodes.Add(node.id, node);
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}
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if (node.type == FlowNode.START)
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{
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this.startNodeId = node.id;
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}
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}
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}
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private void InitLines(dynamic schemeContentJson)
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{
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Lines = new List<FlowLine>();
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FromNodeLines = new Dictionary<string, List<FlowLine>>();
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ToNodeLines = new Dictionary<string, List<FlowLine>>();
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foreach (JObject item in schemeContentJson.lines)
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{
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var line = item.ToObject<FlowLine>();
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Lines.Add(line);
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if (!FromNodeLines.ContainsKey(line.from))
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{
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List<FlowLine> d = new List<FlowLine> { line };
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FromNodeLines.Add(line.from, d);
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}
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else
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{
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FromNodeLines[line.from].Add(line);
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}
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if (!ToNodeLines.ContainsKey(line.to))
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{
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List<FlowLine> d = new List<FlowLine> { line };
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ToNodeLines.Add(line.to, d);
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}
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else
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{
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ToNodeLines[line.to].Add(line);
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}
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}
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}
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/// <summary>
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/// 获取下一个节点
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/// </summary>
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private string GetNextNodeId(string nodeId = null)
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{
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var lines = nodeId == null ? FromNodeLines[currentNodeId] : FromNodeLines[nodeId];
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if (lines.Count == 0)
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{
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throw new Exception("无法寻找到下一个节点");
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}
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if (FrmData == "") return lines[0].to;
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FrmData = FrmData.ToLower();//统一转小写
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var frmDataJson = FrmData.ToJObject();//获取数据内容
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foreach (var l in lines)
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{
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if (!(l.Compares.IsNullOrEmpty()) &&l.Compare(frmDataJson))
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{
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return l.to;
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}
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}
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return lines[0].to;
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}
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#endregion 私有方法
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#region 共有方法
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//获取下一个节点
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public FlowNode GetNextNode(string nodeId = null)
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{
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return Nodes[GetNextNodeId(nodeId)];
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}
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/// <summary>
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/// 获取实例接下来运行的状态
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/// </summary>
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/// <returns>-1无法运行,0会签开始,1会签结束,2一般节点,4流程运行结束</returns>
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public int GetNextNodeType()
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{
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if (nextNodeId != "-1")
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{
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return GetNodeType(nextNodeId);
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}
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return -1;
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}
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/// <summary>
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/// 获取节点类型 0会签开始,1会签结束,2一般节点,开始节点,4流程运行结束
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/// </summary>
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/// <param name="nodeId"></param>
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/// <returns></returns>
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public int GetNodeType(string nodeId)
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{
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switch (Nodes[nodeId].type)
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{
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//会签开始节点
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case FlowNode.FORK:
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return 0;
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//会签结束节点
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case FlowNode.JOIN:
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return 1;
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//结束节点
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case FlowNode.END:
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return 4;
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//开始节点
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case FlowNode.START:
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return 3;
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default:
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return 2;
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}
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}
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/// <summary>
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/// 节点会签审核
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/// </summary>
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/// <param name="nodeId">会签时，currentNodeId是会签开始节点。这个表示当前正在处理的节点</param>
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/// <param name="tag"></param>
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/// <returns>-1不通过,1等待,其它通过</returns>
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public string NodeConfluence(string nodeId, Tag tag)
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{
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var forkNode = Nodes[currentNodeId]; //会签开始节点
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FlowNode nextNode = GetNextNode(nodeId); //获取当前处理的下一个节点
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int forkNumber = FromNodeLines[currentNodeId].Count; //直接与会签节点连接的点，即会签分支数目
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string res =string.Empty; //记录会签的结果,默认正在会签
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if (forkNode.setInfo.NodeConfluenceType == "one") //有一个步骤通过即可
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{
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if (tag.Taged == (int) TagState.Ok)
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{
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if (nextNode.type == FlowNode.JOIN) //下一个节点是会签结束，则该线路结束
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{
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res = GetNextNodeId(nextNode.id);
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}
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}
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else if(tag.Taged ==(int) TagState.No)
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{
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if (forkNode.setInfo.ConfluenceNo == null)
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{
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forkNode.setInfo.ConfluenceNo = 1;
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}
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else if (forkNode.setInfo.ConfluenceNo == (forkNumber - 1))
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{
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res = TagState.No.ToString("D");
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}
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else
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{
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bool isFirst = true; //是不是从会签开始到现在第一个
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var preNode = GetPreNode(nodeId);
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while (preNode.id != forkNode.id) //反向一直到会签开始节点
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{
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if (preNode.setInfo != null && preNode.setInfo.Taged == (int) TagState.No)
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{
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isFirst = false;
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break;
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}
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}
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if (isFirst)
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{
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forkNode.setInfo.ConfluenceNo++;
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}
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}
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}
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}
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else //默认所有步骤通过
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{
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if (tag.Taged == (int) TagState.No) //只要有一个不同意，那么流程就结束
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{
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res = TagState.No.ToString("D");
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}
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else if(tag.Taged == (int)TagState.Ok)
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{
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if (nextNode.type == FlowNode.JOIN) //这种模式下只有坚持到【会签结束】节点之前才有意义，是否需要判定这条线所有的节点都通过，不然直接执行这个节点？？
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{
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if (forkNode.setInfo.ConfluenceOk == null)
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{
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forkNode.setInfo.ConfluenceOk = 1;
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}
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else if (forkNode.setInfo.ConfluenceOk == (forkNumber - 1)) //会签成功
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{
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res = GetNextNodeId(nextNode.id);
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}
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else
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{
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forkNode.setInfo.ConfluenceOk++;
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}
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}
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}
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}
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if (res == TagState.No.ToString("D"))
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{
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tag.Taged = (int) TagState.No;
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MakeTagNode(nextNode.id, tag);
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}
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else if (!string.IsNullOrEmpty(res)) //会签结束，标记合流节点
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{
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tag.Taged = (int) TagState.Ok;
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MakeTagNode(nextNode.id, tag);
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nextNodeId = res;
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nextNodeType = GetNodeType(res);
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}
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else
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{
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nextNodeId = nextNode.id;
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nextNodeType = GetNodeType(nextNode.id);
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}
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return res;
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}
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//获取上一个节点
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private FlowNode GetPreNode(string nodeId = null)
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{
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var lines = nodeId == null ? ToNodeLines[currentNodeId] : ToNodeLines[nodeId];
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if (lines.Count == 0)
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{
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throw new Exception("无法找到上一个点");
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}
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return Nodes[lines[0].from];
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}
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/// <summary>
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/// 驳回
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/// </summary>
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/// <param name="rejectType">驳回类型。null:使用节点配置的驳回类型/0:前一步/1:第一步/2：指定节点，使用NodeRejectStep</param>
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/// <returns></returns>
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public string RejectNode(string rejectType)
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{
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dynamic node = Nodes[currentNodeId];
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if (node.setInfo != null && string.IsNullOrEmpty(rejectType))
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{
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rejectType = node.setInfo.NodeRejectType;
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}
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if (rejectType == "0")
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{
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return previousId;
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}
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if (rejectType == "1")
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{
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return GetNextNodeId(startNodeId);
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}
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return previousId;
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}
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/// <summary>
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/// 撤销流程，清空所有节点
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/// </summary>
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public void ReCall()
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{
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foreach (var item in Nodes)
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{
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item.Value.setInfo = null;
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}
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}
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///<summary>
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/// 标记节点1通过，-1不通过，0驳回
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/// </summary>
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/// <param name="nodeId"></param>
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public void MakeTagNode(string nodeId, Tag tag)
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{
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foreach (var item in Nodes)
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{
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if (item.Key == nodeId)
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{
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if (item.Value.setInfo == null)
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{
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item.Value.setInfo = new Setinfo();
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}
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item.Value.setInfo.Taged = tag.Taged;
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item.Value.setInfo.UserId = tag.UserId;
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item.Value.setInfo.UserName = tag.UserName;
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item.Value.setInfo.Description = tag.Description;
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item.Value.setInfo.TagedTime = DateTime.Now.ToString("yyyy-MM-dd HH:mm");
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break;
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}
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}
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}
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public object ToSchemeObj()
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{
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return new
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{
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title = this.title,
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initNum = this.initNum,
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lines = Lines,
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nodes = Nodes.Select(u => u.Value),
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areas = new string[0]
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};
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}
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/// <summary>
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/// 通知三方系统，节点执行情况
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/// </summary>
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public void NotifyThirdParty(HttpClient client, Tag tag)
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{
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if (currentNode.setInfo == null || string.IsNullOrEmpty(currentNode.setInfo.ThirdPartyUrl))
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{
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return;
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}
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var postData = new
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{
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flowInstanceId,
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nodeName=currentNode.name,
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nodeId = currentNodeId,
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userId = tag.UserId,
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userName = tag.UserName,
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result=tag.Taged, //1：通过;2：不通过；3驳回
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description = tag.Description,
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execTime = tag.TagedTime,
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isFinish = currentNodeType == 4
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};
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using (HttpContent httpContent = new StringContent(JsonHelper.Instance.Serialize(postData), Encoding.UTF8))
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{
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httpContent.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("application/json");
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client.PostAsync(currentNode.setInfo.ThirdPartyUrl, httpContent);
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}
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}
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#endregion 共有方法
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#region 属性
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public string title { get; set; }
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public int initNum { get; set; }
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/// <summary>
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/// 运行实例的Id
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/// </summary>
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public string flowInstanceId { get; set; }
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/// <summary>
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/// 开始节点的ID
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/// </summary>
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public string startNodeId { get; set; }
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/// <summary>
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/// 当前节点的ID
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/// </summary>
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public string currentNodeId { get; set; }
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/// <summary>
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/// 当前节点类型 0会签开始,1会签结束,2一般节点,开始节点,4流程运行结束
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/// </summary>
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public int currentNodeType { get; set; }
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/// <summary>
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/// 当前节点的对象
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/// </summary>
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public FlowNode currentNode => Nodes[currentNodeId];
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/// <summary>
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/// 下一个节点
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/// </summary>
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public string nextNodeId { get; set; }
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/// <summary>
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/// 下一个节点类型 -1无法运行,0会签开始,1会签结束,2一般节点,4流程运行结束
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/// </summary>
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/// <value>The type of the next node.</value>
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public int nextNodeType { get; set; }
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/// <summary>
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/// 下一个节点对象
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/// </summary>
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public FlowNode nextNode => nextNodeId != "-1"? Nodes[nextNodeId] : null;
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/// <summary>
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/// 上一个节点
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/// </summary>
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public string previousId { get; set; }
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/// <summary>
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/// 实例节点集合
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/// </summary>
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public Dictionary<string, FlowNode> Nodes { get; set; }
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/// <summary>
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/// 流程实例中所有的线段
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/// </summary>
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public List<FlowLine> Lines { get; set; }
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/// <summary>
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/// 从节点发出的线段集合
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/// </summary>
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public Dictionary<string, List<FlowLine>> FromNodeLines { get; set; }
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/// <summary>
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/// 到达节点的线段集合
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/// </summary>
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public Dictionary<string, List<FlowLine>> ToNodeLines { get; set; }
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/// <summary>
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/// 表单数据
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/// </summary>
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public string FrmData { get; set; }
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#endregion 属性
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}
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} |