private FinishRule GetFinishRule(Client.AppendHumanSetting setting)
{
return(!string.IsNullOrWhiteSpace(setting.FinishRuleName) &&
!string.IsNullOrWhiteSpace(setting.FinishRuleBody)
? new FinishRule(new Dictionary <string, string>()
{
{ setting.FinishRuleName, setting.FinishRuleBody }
})
: null);
}
private Client.AppendHumanSetting CreateAppendHumanSetting(Client.AppendHumanMode mode)
{
var setting = new Client.AppendHumanSetting();
setting.ActionerRule = new string[] { "'houkun'", "'xuanfang'" };
setting.Actions = new string[] { this._action1, this._action2 };
setting.ActivityName = this._dynamicActivityName;
setting.EnterAction = this._enterAction;
setting.EnterFinishRuleName = this._enterAction;
if (mode == Client.AppendHumanMode.Continues)
{
setting.FinishRuleName = "动态节点执行完成";
setting.FinishRuleBody = string.Format("all('{0}')", _action1);
}
setting.Url = "aspx";
return(setting);
}
private Client.AppendHumanSetting CreateAppendHumanSetting(Client.AppendHumanMode mode)
{
var setting = new Client.AppendHumanSetting();
setting.ActionerRule = new string[] { "'houkun'", "'xuanfang'" };
setting.Actions = new string[] { this._action1, this._action2 };
setting.ActivityName = this._dynamicActivityName;
setting.EnterAction = this._enterAction;
setting.EnterFinishRuleName = this._enterAction;
if (mode == Client.AppendHumanMode.Continues)
{
setting.FinishRuleName = "动态节点执行完成";
setting.FinishRuleBody = string.Format("all('{0}')", _action1);
}
setting.Url = "aspx";
return setting;
}
public void AppendHumanActivity(Guid processId, Client.AppendHumanMode mode, Client.AppendHumanSetting appendHumanSetting)
{
//HACK:动态节点出于重复考虑，总是会先移除重名的节点，此设计会存在意外的情况
string reason;
HumanSetting currentHumanSetting;
if (!this.CanAppendHumanActivity(processId, mode, appendHumanSetting.ActivityName, out currentHumanSetting, out reason))
{
throw new InvalidOperationException(reason);
}
if (appendHumanSetting == null)
{
throw new ArgumentNullException("humanSetting");
}
var process = this.GetProcessById(processId);
var currentProcessType = process.ProcessType;
//获取所有节点设置的副本
var clonedSettings = new List <ActivitySetting>(currentProcessType.ActivitySettings.Select(o => o.Clone()));
var workflow = this._workflowParser.Parse(currentProcessType.Workflow.Serialized, clonedSettings);
var originalWorkflowDefinition = currentProcessType.Workflow.Serialized;
#region 查找节点信息
var currentNode = this.GetFlowStep(workflow, currentHumanSetting.ActivityName);
var currentSetting = clonedSettings.FirstOrDefault(o => o.ActivityName == currentNode.Action.DisplayName) as HumanSetting;
var nextNode = this.GetNextFlowStep(workflow, currentNode);
if (currentNode == null || currentSetting == null)
{
throw new InvalidOperationException(string.Format(
"没有在流程中找到节点“{0}”的定义", currentHumanSetting.ActivityName));
}
#endregion
#region 修改当前节点
clonedSettings.Remove(currentSetting);
var finishRule = currentSetting.FinishRule.Scripts;
//总是先移除避免多次重复追加
finishRule.Remove(appendHumanSetting.EnterFinishRuleName);
//新增完成规则用于满足后进入新节点
//必须将新规则插入在第一个规则位置，避免原有规则的影响 用atMostOf?该细节不能出现在Model层
finishRule = new Dictionary <string, string>()
{
{ appendHumanSetting.EnterFinishRuleName, string.Format("all('{0}')", appendHumanSetting.EnterAction) }
}
.Concat(finishRule)
.ToDictionary(o => o.Key, o => o.Value);
currentSetting = new HumanSetting(currentSetting.FlowNodeIndex
, currentSetting.ActivityName
, currentSetting.Actions
, currentSetting.SlotCount
, currentSetting.SlotMode
, currentSetting.Url
, currentSetting.StartRule
, currentSetting.ActionerRule
, new FinishRule(finishRule)
, currentSetting.EscalationRule
, currentSetting.IsChildOfActivity);
clonedSettings.Add(currentSetting);
#endregion
#region 新增节点设置
var newHumanSetting = new HumanSetting(0//此时无需设置实际值，最终创建流程类型时会由转换器填充实际值
, appendHumanSetting.ActivityName
, appendHumanSetting.Actions
, appendHumanSetting.SlotCount
, (HumanSetting.SlotDistributionMode)(int) appendHumanSetting.SlotMode
, appendHumanSetting.Url
, null
, new HumanActionerRule(appendHumanSetting.ActionerRule)
, this.GetFinishRule(appendHumanSetting)
, null
, false);
clonedSettings.Add(newHumanSetting);
#endregion
#region 将新节点与左右节点连接
FlowStep newNode = null;
if (mode == Client.AppendHumanMode.Wait)
{
newNode = WorkflowBuilder.CreateHuman(newHumanSetting
, newHumanSetting.ActivityName
, new GetUsers(appendHumanSetting.ActionerRule)
, null
, null
, currentNode);//总是返回当前节点
}
else if (mode == Client.AppendHumanMode.Continues)
{
newNode = WorkflowBuilder.CreateHuman(newHumanSetting
, newHumanSetting.ActivityName
, new GetUsers(appendHumanSetting.ActionerRule)
, workflow.CustomActivityResult
, nextNode == null
? null
//HACK:下一节点的进入与否将根据新节点的完成规则而定，若满足则继续，若不满足则流程结束，常见于加签的情况
: new Dictionary <string, FlowNode>()
{
{ appendHumanSetting.FinishRuleName, nextNode }
}
, null);
}
//总是先移除避免多次重复追加
(currentNode.Next as FlowSwitch <string>).Cases.Remove(appendHumanSetting.EnterFinishRuleName);
(currentNode.Next as FlowSwitch <string>).Cases.Add(appendHumanSetting.EnterFinishRuleName, newNode);
//总是先移除避免多次重复追加
workflow.Body.Nodes.Remove(this.GetFlowStep(workflow, newHumanSetting.ActivityName));
//由于解析需要应同时补充此元数据
workflow.Body.Nodes.Add(newNode);
#endregion
//创建新流程定义，动态变更
this._processService.DynamicChangeProcessType(process
, this.CreateProcessType(currentProcessType.Name
, this._workflowParser.Parse(workflow, originalWorkflowDefinition)
, this._workflowParser.Parse(clonedSettings)
, currentProcessType.Description
, currentProcessType.Group
, false));
}
