/// <summary>
/// Creates a new Workflow Application instance and executes the Current Workflow
/// </summary>
private void CmdWorkflowRun(object sender, ExecutedRoutedEventArgs e)
{
//get workflow source from designer
CustomWfDesigner.Instance.Flush();
MemoryStream workflowStream = new MemoryStream(ASCIIEncoding.Default.GetBytes(CustomWfDesigner.Instance.Text));
ActivityXamlServicesSettings settings = new ActivityXamlServicesSettings()
{
CompileExpressions = true
};
DynamicActivity activityExecute = ActivityXamlServices.Load(workflowStream, settings) as DynamicActivity;
//configure workflow application
consoleExecutionLog.Text = String.Empty;
consoleOutput.Text = String.Empty;
_executionLog = new CustomTrackingParticipant();
_wfApp = new WorkflowApplication(activityExecute);
_wfApp.Extensions.Add(_executionLog);
_wfApp.Completed = WfExecutionCompleted;
//execute
_wfApp.Run();
//enable timer for real-time logging
_timer.Start();
}
private void LogTracks(int workflowRunId, CustomTrackingParticipant tracker)
{
var tracks = MapTracks(tracker.Records, (t) =>
{
t.WorkflowRunId = workflowRunId;
return(t);
});
using (WorkflowContext context = new WorkflowContext())
{
context.Tracks.AddRange(tracks);
context.SaveChanges();
}
}
public IList<TrackingRecord> StartWorkflow(int id, Dictionary<string, object> wfParams)
{
string fileLocation = null;
int workflowRunId = 0;
using (var context = new WorkflowContext())
{
fileLocation = context.Workflows.First(c => c.Id == id).FileLocation; // Hier kan een NullReferenceException optreden
var workflowRun = new WorkflowRun()
{
WorkflowId = id,
StartTime = DateTime.Now
};
context.WorkflowRuns.Add(workflowRun);
context.SaveChanges();
workflowRunId = workflowRun.WorkflowRunId;
}
var xamlData = ReadXamlFile(fileLocation);
var tracker = new CustomTrackingParticipant();
var wf = ActivityXamlServices.Load(new StringReader(xamlData), new ActivityXamlServicesSettings { CompileExpressions = true });
AutoResetEvent syncEvent = new AutoResetEvent(false);
WorkflowApplication wfApp = new WorkflowApplication(wf, wfParams);
wfApp.Extensions.Add(tracker);
wfApp.Extensions.Add<TextWriter>(() => new StreamWriter(@"C:/XAML/log.txt"));
// Handle the desired lifecycle events.
Exception exception = null;
wfApp.Completed = (e) => syncEvent.Set();
wfApp.OnUnhandledException += (WorkflowApplicationUnhandledExceptionEventArgs e) =>
{
using (WorkflowContext context = new WorkflowContext())
{
context.Tracks.Add(new Track()
{
ActivityName = e.UnhandledException.ToString(),
EventTime = DateTime.Now.AddHours(-1),
State = "Faulted",
WorkflowRunId = workflowRunId,
});
context.SaveChanges();
}
LogTracks(workflowRunId, tracker);
return UnhandledExceptionAction.Terminate;
};
// Start the workflow.
wfApp.Run();
syncEvent.WaitOne();
LogTracks(workflowRunId, tracker);
return tracker.Records;
}
private void LogTracks(int workflowRunId, CustomTrackingParticipant tracker)
{
var tracks = MapTracks(tracker.Records, (t) =>
{
t.WorkflowRunId = workflowRunId;
return t;
});
using (WorkflowContext context = new WorkflowContext())
{
context.Tracks.AddRange(tracks);
context.SaveChanges();
}
}
public JObject CreateWorkFlow(string libID) //起草者创建流程，并保存到微软持续化数据库中
{
AutoResetEvent syncEvent = new AutoResetEvent(false);
string currentUserId = User.Identity.GetUserId();
ApplicationUser user = db.Users.Include(i => i.Roles).FirstOrDefault(i => i.Id == currentUserId); //获取当前用户username
WorkFlowInParameter WfInData = new WorkFlowInParameter();
WfInData.drafter = user.UserName;
Dictionary <string, object> inputs = new Dictionary <string, object>();
inputs.Add("WfIn", WfInData);
//var act = CreateActivityFrom(Server.MapPath("~") + "\\WorkFlow\\ItService.xaml");
WorkflowApplication wfApp = new WorkflowApplication(new ItService(), inputs)
{
InstanceStore = CreateInstanceStore(),
PersistableIdle = delegate(WorkflowApplicationIdleEventArgs e)
{
//var ex = e.GetInstanceExtensions<CustomTrackingParticipant>();
//Outputs = ex.First().Outputs.ToString();
return(PersistableIdleAction.Unload);
},
Completed = delegate(WorkflowApplicationCompletedEventArgs e)
{
},
Aborted = delegate(WorkflowApplicationAbortedEventArgs e)
{
},
Unloaded = delegate(WorkflowApplicationEventArgs e)
{
syncEvent.Set();
},
OnUnhandledException = delegate(WorkflowApplicationUnhandledExceptionEventArgs e)
{
return(UnhandledExceptionAction.Terminate);
},
Idle = delegate(WorkflowApplicationIdleEventArgs e)
{
}
};
var StateTracker = new StateMachineStateTracker(wfApp.WorkflowDefinition); //当前状态追踪
wfApp.Extensions.Add(StateTracker);
wfApp.Extensions.Add(new StateTrackerPersistenceProvider(StateTracker));
var cu = new CustomTrackingParticipant(); //获取Activity内部变量
wfApp.Extensions.Add(cu); //获取Activity内部变量需要的追踪器
Guid instanceId = wfApp.Id;
//var trackerInstance = StateMachineStateTracker.LoadInstance(id, wfApp.WorkflowDefinition, ConfigurationManager.ConnectionStrings["DefaultConnection"].ConnectionString);
wfApp.Run();
syncEvent.WaitOne();
//string CurrentUser = cu.Outputs["CurrentUser"].ToString();
//var Pt = StateTracker.PossibleTransitions;
//var CurrentState = StateTracker.CurrentState;
//BookmarkResumptionResult result = wfApp.ResumeBookmark("Hello123", "ddd");
var Pt = GetPossibleTransitions(libID, true, 1);
string[] strs = Pt.Split(',');
JObject json = new JObject(
new JProperty("instanceId", instanceId),
new JProperty("rows",
new JArray(
from r in strs
select new JObject(
new JProperty("ID", r.ToString()),
new JProperty("Name", r.ToString())))));
return(json);
}
public ActionResult ToNextState(ItServiceItem isi, Guid instanceId, string NextLink, string libid, string Opinion) //审批者到下一环节,思路：保存当前流程的数据，恢复bookmark到下一环节，并保存下一环节流程信息
{
#region 判断是不是当前处理人
WorkFlowItem cwfi = bdb.WorkFlowItems.Where(i => i.WfInstanceId == instanceId).FirstOrDefault();
string currentUserId = User.Identity.GetUserId();
ApplicationUser user = db.Users.Include(i => i.Roles).FirstOrDefault(i => i.Id == currentUserId);
if (cwfi.WfCurrentUser.ToString().Trim() != user.UserName.ToString().Trim())
{
var json = new
{
errorMsg = "你不是当前处理人"
};
return(Json(json, "text/html", JsonRequestBehavior.AllowGet));
}
#endregion
string[] strs = NextLink.Trim().Split('（');
AutoResetEvent syncEvent = new AutoResetEvent(false);
int isComplete = 0;
WorkflowApplication wfApp = new WorkflowApplication(new ItService())
{
InstanceStore = CreateInstanceStore(),
PersistableIdle = delegate(WorkflowApplicationIdleEventArgs e)
{
//var ex = e.GetInstanceExtensions<CustomTrackingParticipant>();
// Outputs = ex.First().Outputs.ToString();
return(PersistableIdleAction.Unload);
},
Completed = delegate(WorkflowApplicationCompletedEventArgs e)
{
isComplete = 1;
syncEvent.Set();
},
Aborted = delegate(WorkflowApplicationAbortedEventArgs e)
{
},
Unloaded = delegate(WorkflowApplicationEventArgs e)
{
syncEvent.Set();
},
OnUnhandledException = delegate(WorkflowApplicationUnhandledExceptionEventArgs e)
{
return(UnhandledExceptionAction.Terminate);
},
Idle = delegate(WorkflowApplicationIdleEventArgs e)
{
}
};
var StateTracker = new StateMachineStateTracker(wfApp.WorkflowDefinition); //当前状态追踪
wfApp.Extensions.Add(StateTracker);
wfApp.Extensions.Add(new StateTrackerPersistenceProvider(StateTracker));
var cu = new CustomTrackingParticipant(); //获取Activity内部变量
wfApp.Extensions.Add(cu); //获取Activity内部变量需要的追踪器
//Guid instanceId = wfApp.Id;
var trackerInstance = StateMachineStateTracker.LoadInstance(instanceId, wfApp.WorkflowDefinition, ConfigurationManager.ConnectionStrings["ApacheConnection"].ConnectionString);
wfApp.Load(instanceId);
BookmarkResumptionResult result = wfApp.ResumeBookmark(trackerInstance.CurrentState, strs[0]);
//BookmarkResumptionResult result = wfApp.ResumeBookmark(trackerInstance.CurrentState, NextLink.Trim()); //恢复当前状态,并进入下一个bookmark,注意使用Trim,开始没使用，NextLInk无法取到，调试了大半夜
syncEvent.WaitOne();
string CurrentUser;
string OpinionField = "";
string CurrentState;
string completeStr = "";
if (isComplete == 0)
{
if (strs.Count() == 1)
{
CurrentUser = cu.Outputs["CurrentUser"].ToString();
}
else
{
CurrentUser = db.LibraryApprovers.ToList().First(p => (p.LibID == libid) && (p.ApproverName == strs[1].Replace("）", ""))).Approver;
}
OpinionField = cu.Outputs["OpinionField"].ToString();
CurrentState = StateTracker.CurrentState;
}
else
{
CurrentUser = "******";
CurrentState = "已结束";
completeStr = "->结束";
}
//string currentUserId = User.Identity.GetUserId();
//ApplicationUser user = db.Users.Include(i => i.Roles).FirstOrDefault(i => i.Id == currentUserId); //获取当前用户TrueName，为增加流转信息提供数据
WorkFlowItem wfi = bdb.WorkFlowItems.Where(i => i.WfInstanceId == instanceId).FirstOrDefault(); //获取当前流程信息
ItServiceItem cisi = bdb.ItServiceItems.Where(i => i.ID == isi.ID).FirstOrDefault(); //获取当前业务数据的信息
//业务数据更新开始
cisi.Title = isi.Title;
cisi.applicant = isi.applicant;
cisi.applicant_dept = isi.applicant_dept;
//cisi.description = isi.description;
cisi.isitype = isi.isitype;
cisi.sub_isitype = isi.sub_isitype;
cisi.end_isitype = isi.end_isitype;
cisi.Object = isi.Object;
cisi.Topic = isi.Topic;
cisi.Purpose = isi.Purpose;
cisi.Status = 1;
if (NextLink == "驳回")
{
cisi.Status = 3;
}
if (isComplete == 1)
{
cisi.isiCompleteDate = DateTime.Now;
if (NextLink == "撤销")
{
cisi.Status = 4;
}
else
{
cisi.Status = 2;
}
}
#region 审批意见更新开始
if (Opinion != null)
{
if (Convert.ToString(Opinion) != "")
{
if (wfi.WfWriteField.Trim() == "FirstExamine")
{
cisi.FirstExamine = cisi.FirstExamine + "<br>" + Opinion + " (意见填写人:" + user.TrueName + " 时间:" + DateTime.Now + ")";
}
if (wfi.WfWriteField.Trim() == "SecondExamine")
{
cisi.SecondExamine = cisi.SecondExamine + "<br>" + Opinion + " (意见填写人:" + user.TrueName + " 时间:" + DateTime.Now + ")";
}
if (wfi.WfWriteField.Trim() == "LastExamine")
{
cisi.LastExamine = cisi.LastExamine + "<br>" + Opinion + " (意见填写人:" + user.TrueName + " 时间:" + DateTime.Now + ")";
}
}
}
#endregion
if (wfi != null)
{
wfi.WfCurrentUser = CurrentUser;
wfi.Wfstatus = CurrentState;
wfi.WfWriteField = OpinionField;
if (isComplete == 1)
{
wfi.WfCompleteDate = DateTime.Now;
}
wfi.WfFlowChart = wfi.WfFlowChart + "->" + trackerInstance.CurrentState + "(" + user.TrueName + ")" + completeStr; //增加流转信息
try
{
bdb.SaveChanges();
var json = new
{
okMsg = "提交成功"
};
return(Json(json, "text/html", JsonRequestBehavior.AllowGet));
}
catch (Exception e)
{
var json = new
{
errorMsg = "提交失败"
};
return(Json(json, "text/html", JsonRequestBehavior.AllowGet));
}
}
else
{
var json = new
{
errorMsg = "流程不存在"
};
return(Json(json, "text/html", JsonRequestBehavior.AllowGet));
}
}
public ActionResult DrafterToNextState(ItServiceItem isi, Guid instanceId, string NextLink, string libid) //起草者到下一环节
{
string[] strs = NextLink.Trim().Split('（');
AutoResetEvent syncEvent = new AutoResetEvent(false);
WorkflowApplication wfApp = new WorkflowApplication(new ItService())
{
InstanceStore = CreateInstanceStore(),
PersistableIdle = delegate(WorkflowApplicationIdleEventArgs e)
{
//var ex = e.GetInstanceExtensions<CustomTrackingParticipant>();
// Outputs = ex.First().Outputs.ToString();`
return(PersistableIdleAction.Unload);
},
Completed = delegate(WorkflowApplicationCompletedEventArgs e)
{
},
Aborted = delegate(WorkflowApplicationAbortedEventArgs e)
{
},
Unloaded = delegate(WorkflowApplicationEventArgs e)
{
syncEvent.Set();
},
OnUnhandledException = delegate(WorkflowApplicationUnhandledExceptionEventArgs e)
{
return(UnhandledExceptionAction.Terminate);
},
Idle = delegate(WorkflowApplicationIdleEventArgs e)
{
}
};
var StateTracker = new StateMachineStateTracker(wfApp.WorkflowDefinition); //当前状态追踪
wfApp.Extensions.Add(StateTracker);
wfApp.Extensions.Add(new StateTrackerPersistenceProvider(StateTracker));
var cu = new CustomTrackingParticipant(); //获取Activity内部变量
wfApp.Extensions.Add(cu); //获取Activity内部变量需要的追踪器
//Guid instanceId = wfApp.Id;
var trackerInstance = StateMachineStateTracker.LoadInstance(instanceId, wfApp.WorkflowDefinition, ConfigurationManager.ConnectionStrings["ApacheConnection"].ConnectionString);
wfApp.Load(instanceId);
//BookmarkResumptionResult result = wfApp.ResumeBookmark(trackerInstance.CurrentState, NextLink.Trim());
BookmarkResumptionResult result = wfApp.ResumeBookmark(trackerInstance.CurrentState, strs[0]);
syncEvent.WaitOne();
//string CurrentUser = cu.Outputs["CurrentUser"].ToString();
string CurrentUser = db.LibraryApprovers.ToList().First(p => (p.LibID == libid) && (p.ApproverName == strs[1].Replace("）", ""))).Approver;
//string CurrentRole = cu.Outputs["CurrentRole"].ToString();
string OpinionField = cu.Outputs["OpinionField"].ToString();
string Drafter = cu.Outputs["Drafter"].ToString();
var CurrentState = StateTracker.CurrentState;
//var Pt = StateTracker.PossibleTransitions;
ApplicationUser user = db.Users.Include(i => i.Roles).FirstOrDefault(i => i.UserName == Drafter); //获取当前用户username
isi.drafter = Drafter;
isi.isiCreateDate = DateTime.Now;
isi.Status = 1;
bdb.ItServiceItems.Add(isi); //添加业务数据
try
{
bdb.SaveChanges();
}
catch
{
var json = new
{
errorMsg = "添加业务数据出错"
};
return(Json(json, "text/html", JsonRequestBehavior.AllowGet));
}
WorkFlowItem wf = new WorkFlowItem();
wf.WfInstanceId = instanceId;
wf.WfType = "专病库IT服务申请";
wf.WfCurrentUser = CurrentUser;
wf.WfDrafter = Drafter;
wf.WfWriteField = OpinionField;
wf.Wfstatus = CurrentState;
wf.WfBussinessUrl = "/ItService/OpenWorkFlow?id=" + instanceId;
wf.WfCreateDate = DateTime.Now;
wf.WfBusinessId = isi.ID; //添加业务数据关联
wf.WfFlowChart = trackerInstance.CurrentState + "(" + user.TrueName + ")";
bdb.WorkFlowItems.Add(wf);
bdb.SaveChanges();
try
{
bdb.SaveChanges();
var json = new
{
okMsg = "流程保存成功"
};
return(Json(json, "text/html", JsonRequestBehavior.AllowGet));
}
catch
{
var json = new
{
errorMsg = "流程保存出错"
};
return(Json(json, "text/html", JsonRequestBehavior.AllowGet));
}
}
public IList <TrackingRecord> StartWorkflow(int id, Dictionary <string, object> wfParams)
{
string fileLocation = null;
int workflowRunId = 0;
using (var context = new WorkflowContext())
{
fileLocation = context.Workflows.First(c => c.Id == id).FileLocation; // Hier kan een NullReferenceException optreden
var workflowRun = new WorkflowRun()
{
WorkflowId = id,
StartTime = DateTime.Now
};
context.WorkflowRuns.Add(workflowRun);
context.SaveChanges();
workflowRunId = workflowRun.WorkflowRunId;
}
var xamlData = ReadXamlFile(fileLocation);
var tracker = new CustomTrackingParticipant();
var wf = ActivityXamlServices.Load(new StringReader(xamlData), new ActivityXamlServicesSettings {
CompileExpressions = true
});
AutoResetEvent syncEvent = new AutoResetEvent(false);
WorkflowApplication wfApp = new WorkflowApplication(wf, wfParams);
wfApp.Extensions.Add(tracker);
wfApp.Extensions.Add <TextWriter>(() => new StreamWriter(@"C:/XAML/log.txt"));
// Handle the desired lifecycle events.
Exception exception = null;
wfApp.Completed = (e) => syncEvent.Set();
wfApp.OnUnhandledException += (WorkflowApplicationUnhandledExceptionEventArgs e) =>
{
using (WorkflowContext context = new WorkflowContext())
{
context.Tracks.Add(new Track()
{
ActivityName = e.UnhandledException.ToString(),
EventTime = DateTime.Now.AddHours(-1),
State = "Faulted",
WorkflowRunId = workflowRunId,
});
context.SaveChanges();
}
LogTracks(workflowRunId, tracker);
return(UnhandledExceptionAction.Terminate);
};
// Start the workflow.
wfApp.Run();
syncEvent.WaitOne();
LogTracks(workflowRunId, tracker);
return(tracker.Records);
}
