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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 GDZZ.Core;
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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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namespace GDZZ.FlowCenter.Entity;
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/// <summary>
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/// 流程运行类
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/// </summary>
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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(FlcFlowinstance instance)
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{
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var schemeContentJson = instance.SchemeContent.ToObject<Flow>();//获取工作流模板内容的json对象;
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InitFlow(schemeContentJson);
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currentNodeId = (string.IsNullOrEmpty(instance.ActivityId)? startNodeId : instance.ActivityId);
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currentNodeType = GetNodeType(currentNodeId);
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FrmData = instance.FrmData;
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previousId = GetPreviousNodeId(currentNodeId);
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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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/// 获取工作流信息
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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 InitFlow(Flow schemeContentJson)
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{
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flow = schemeContentJson;
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InitLines(schemeContentJson);
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InitNodes(schemeContentJson);
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}
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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(Flow schemeContentJson)
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{
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Nodes = new Dictionary<string, FlowNode>();
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foreach (var item in schemeContentJson.nodeList)
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{
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var node = item;
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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(Flow 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 (var item in schemeContentJson.linkList)
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{
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var line = item;
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Lines.Add(line);
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if (!FromNodeLines.ContainsKey(line.sourceId))
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{
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List<FlowLine> d = new List<FlowLine> { line };
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FromNodeLines.Add(line.sourceId, d);
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}
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else
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{
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FromNodeLines[line.sourceId].Add(line);
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}
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if (!ToNodeLines.ContainsKey(line.targetId))
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{
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List<FlowLine> d = new List<FlowLine> { line };
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ToNodeLines.Add(line.targetId, d);
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}
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else
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{
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ToNodeLines[line.targetId].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 (string.IsNullOrEmpty(FrmData)) return lines[0].targetId;
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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==null)
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{
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l.Compares = new List<DataCompare>();
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}
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if (l.Compares.Count>0 &&l.Compare(frmDataJson))
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{
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return l.targetId;
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}
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}
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return lines[0].targetId;
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}
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/// <summary>
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/// 获取上一个节点
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/// </summary>
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private string GetPreviousNodeId(string nodeId = null)
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{
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try
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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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return string.Empty;
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}
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if (FrmData == "") return lines[0].sourceId;
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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 == null)
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{
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l.Compares = new List<DataCompare>();
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}
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if (l.Compares.Count > 0 && l.Compare(frmDataJson))
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{
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return l.sourceId;
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}
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}
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return lines[0].sourceId;
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}
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catch (Exception)
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{
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return string.Empty;
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}
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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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/// <summary>
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/// 获取下一个节点
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/// </summary>
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/// <param name="nodeId"></param>
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/// <returns></returns>
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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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/// 删除节点
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/// </summary>
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/// <param name="nodeId"></param>
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public void RemoveNode(string nodeId)
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{
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var node = Nodes[nodeId];
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if (node != null && node.setInfo != null)
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{
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node.setInfo.Taged = null;
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node.setInfo.UserName = null;
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node.setInfo.UserId = null;
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node.setInfo.Description = null;
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node.setInfo.TagedTime = null;
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}
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}
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/// <summary>
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/// 删除全部节点
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/// </summary>
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public void RemoveNodes()
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{
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foreach (var item in Nodes)
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{
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var node = item.Value;
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if (node != null && node.setInfo != null)
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{
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node.setInfo.Taged = null;
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node.setInfo.UserName = null;
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node.setInfo.UserId = null;
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node.setInfo.Description = null;
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node.setInfo.TagedTime = null;
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}
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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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/// <summary>
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/// 获取上一个节点
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/// </summary>
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/// <param name="nodeId"></param>
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/// <returns></returns>
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/// <exception cref="Exception"></exception>
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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].sourceId];
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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 startNodeId;
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}
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return previousId;
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}
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///<summary>
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/// 标记节点1通过，2不通过，3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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/// <summary>
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/// 获取流程
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/// </summary>
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/// <returns></returns>
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public Flow ToSchemeObj()
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{
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flow.linkList = Lines;
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flow.nodeList = Nodes.Select(u => u.Value).ToList();
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return flow;
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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,
|
|
|
result=tag.Taged, //1：通过;2：不通过；3驳回
|
|
|
description = tag.Description,
|
|
|
execTime = tag.TagedTime,
|
|
|
isFinish = currentNodeType == 4
|
|
|
};
|
|
|
HttpContent httpContent = new StringContent(postData.ToJsonString(), Encoding.UTF8);
|
|
|
httpContent.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("application/json");
|
|
|
client.PostAsync(currentNode.setInfo.ThirdPartyUrl, httpContent);
|
|
|
}
|
|
|
|
|
|
#endregion 共有方法
|
|
|
|
|
|
#region 属性
|
|
|
/// <summary>
|
|
|
/// 流程
|
|
|
/// </summary>
|
|
|
public Flow flow { get; set; }
|
|
|
/// <summary>
|
|
|
/// 运行实例的Id
|
|
|
/// </summary>
|
|
|
public long flowInstanceId { get; set; }
|
|
|
|
|
|
/// <summary>
|
|
|
/// 开始节点的ID
|
|
|
/// </summary>
|
|
|
public string startNodeId { get; set; }
|
|
|
|
|
|
/// <summary>
|
|
|
/// 当前节点的ID
|
|
|
/// </summary>
|
|
|
public string currentNodeId { get; set; }
|
|
|
|
|
|
/// <summary>
|
|
|
/// 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
|
|
|
/// </summary>
|
|
|
public int currentNodeType { get; set; }
|
|
|
|
|
|
/// <summary>
|
|
|
/// 当前节点的对象
|
|
|
/// </summary>
|
|
|
public FlowNode currentNode => Nodes[currentNodeId];
|
|
|
|
|
|
/// <summary>
|
|
|
/// 下一个节点
|
|
|
/// </summary>
|
|
|
public string nextNodeId { get; set; }
|
|
|
|
|
|
/// <summary>
|
|
|
/// 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
|
|
|
/// </summary>
|
|
|
/// <value>The type of the next node.</value>
|
|
|
public int nextNodeType { get; set; }
|
|
|
|
|
|
/// <summary>
|
|
|
/// 下一个节点对象
|
|
|
/// </summary>
|
|
|
public FlowNode nextNode => Nodes[nextNodeId];
|
|
|
|
|
|
/// <summary>
|
|
|
/// 上一个节点
|
|
|
/// </summary>
|
|
|
public string previousId { get; set; }
|
|
|
|
|
|
/// <summary>
|
|
|
/// 实例节点集合
|
|
|
/// </summary>
|
|
|
public Dictionary<string, FlowNode> Nodes { get; set; }
|
|
|
|
|
|
/// <summary>
|
|
|
/// 流程实例中所有的线段
|
|
|
/// </summary>
|
|
|
public List<FlowLine> Lines { get; set; }
|
|
|
|
|
|
/// <summary>
|
|
|
/// 从节点发出的线段集合
|
|
|
/// </summary>
|
|
|
public Dictionary<string, List<FlowLine>> FromNodeLines { get; set; }
|
|
|
|
|
|
/// <summary>
|
|
|
/// 到达节点的线段集合
|
|
|
/// </summary>
|
|
|
public Dictionary<string, List<FlowLine>> ToNodeLines { get; set; }
|
|
|
|
|
|
/// <summary>
|
|
|
/// 表单数据
|
|
|
/// </summary>
|
|
|
public string FrmData { get; set; }
|
|
|
|
|
|
#endregion 属性
|
|
|
}
|
