protected void RunFlow(object sender, CommandEventArgs e)
{
var dto = new EmailDto()
{
Subject = txtEmailTitle.Text,
Content = txtEmailContent.Text,
From = "",
To = txtEmailAddress.Text
};
var validator = ServiceLocator.Current.GetInstance<IValidator<EmailDto>>();
var result = validator.Validate(dto);
// need to output something there
var flowInput = new WorkFlowInput()
{
Email = dto,
IsNewRequest = true
};
var workflow = new FlowHost();
workflow.OnWfCompleted += workflow_OnWfCompleted;
workflow.OnWfError += workflow_OnWfError;
workflow.OnIdle += workflow_OnIdle;
var workflowId = workflow.CreateOrResume(flowInput);
if (workflowId.HasValue)
instanceId.Value = workflowId.Value.ToString();
}
public Guid? InitEmailFlow(EmailDto dto)
{
var flowInput = new WorkFlowInput()
{
Email = dto,
IsNewRequest = true
};
var workflow = new FlowHost();
workflow.OnWfCompleted += workflow_OnWfCompleted;
workflow.OnWfError += workflow_OnWfError;
workflow.OnIdle += workflow_OnIdle;
var workflowId = workflow.CreateOrResume(flowInput);
return workflowId;
}
public void ResumeEmailFlow(string bookmarkName, string instanceId)
{
var workflow = new FlowHost();
workflow.OnWfCompleted += workflow_OnWfCompleted;
workflow.OnWfError += workflow_OnWfError;
var flowInput = new WorkFlowInput()
{
Email = null,
IsNewRequest = false,
BookmarkName = bookmarkName,
InstanceId = Guid.Parse(instanceId)
};
workflow.CreateOrResume(flowInput);
}
protected void ResumeFlow(object sender, CommandEventArgs e)
{
var guidStr = instanceId.Value;
var workflow = new FlowHost();
workflow.OnWfCompleted += workflow_OnWfCompleted;
workflow.OnWfError += workflow_OnWfError;
var flowInput = new WorkFlowInput()
{
Email = null,
IsNewRequest = false,
BookmarkName = Constant.Bookmark.WaitforConfirmation,
InstanceId = Guid.Parse(guidStr)
};
workflow.CreateOrResume(flowInput);
}
// creates a workflow application, binds parameters, links extensions and run it
public Guid? CreateOrResume(WorkFlowInput request)
{
// input parameters for the WF program
IDictionary<string, object> inputs = new Dictionary<string, object>();
inputs.Add("Request", request);
var connectionString = System.Configuration.ConfigurationManager.ConnectionStrings["WorkflowPrototype"];
var persistStore = new SqlWorkflowInstanceStore(connectionString.ConnectionString)
{
InstanceCompletionAction = InstanceCompletionAction.DeleteNothing,
InstanceLockedExceptionAction = InstanceLockedExceptionAction.AggressiveRetry,
RunnableInstancesDetectionPeriod = new TimeSpan(0, 0, 0, 5),
HostLockRenewalPeriod = new TimeSpan(0, 0, 0, 30),
InstanceEncodingOption = InstanceEncodingOption.GZip
};
Activity wf = new CreditTransferFlow();
Guid? instanceId = null;
WorkflowApplication instance;
if (!request.IsNewRequest && request.InstanceId.HasValue && !string.IsNullOrWhiteSpace(request.BookmarkName))
{
instance = new WorkflowApplication(wf);
}
else
{
instance = new WorkflowApplication(wf, inputs);
instanceId = instance.Id;
}
instance.InstanceStore = persistStore;
instance.PersistableIdle = e =>
{
if (OnIdle != null)
{
OnIdle(e);
}
return PersistableIdleAction.Unload;
};
instance.Unloaded = (workflowApplicationEventArgs) =>
{
// Console.WriteLine("WorkflowApplication has Unloaded\n");
_syncEvent.Set();
};
instance.Completed = (e) =>
{
if (OnWfCompleted != null)
{
OnWfCompleted(e);
}
_syncEvent.Set();
};
instance.OnUnhandledException = (e) =>
{
if (OnWfError != null)
{
OnWfError(e);
}
_syncEvent.Set();
return UnhandledExceptionAction.Abort;
};
if (!request.IsNewRequest && request.InstanceId.HasValue && !string.IsNullOrWhiteSpace(request.BookmarkName))
{
instance.Load(request.InstanceId.Value);
instance.ResumeBookmark(new Bookmark(request.BookmarkName), 1);
}
// add a tracking participant
//instance.Extensions.Add(new SaveAllEventsToTestFileTrackingParticipant());
// continue executing this instance
instance.Run();
_syncEvent.WaitOne();
return instanceId;
}
