public Assignment Process(Assignment co)
{
if (co == null)
{
throw new ArgumentNullException("co");
}
if (co.FlowInstanceIdentifier == null)
{
throw new ArgumentNullException("co.FlowInstanceIdentifier");
}
var signale = new ReceiverSignal("http://helpdesk/CaseHandling", "Accept", "AcceptAction");
var context = Context.WorkflowManager.Resume(co.FlowInstanceIdentifier.Value, signale);
if (context.State == FlowState.Waiting ||
context.State == FlowState.Completed)
{
Assignment assignment = null;
// it was timeout
if (context.State == FlowState.Waiting)
{
assignment = null;
}
// it was accepted
if (context.State == FlowState.Completed)
{
assignment = (Assignment)context.VariableContainer["assignment"];
}
return(assignment);
}
// send user friendly as a fault message in the service
throw new Exception("Error occurred, we expected a suspend or completed state for workflow", context.Exception);
}
private void AskOptions(IRuntimeEngine eng, Application app)
{
var res = eng.Run(app);
var ctx = (WorkflowExecutionContext)res.Context;
WriteContext(ctx);
// Keep resuming the workflow while it is in the Waiting state
while (ctx.State == FlowState.Waiting)
{
// Retrieve the available options from the Workflow
var options = ctx.GetReceivers().ToList();
Console.WriteLine("Please select options below:");
for (int index = 0; index < options.Count; index++)
{
var op = options[index];
Console.WriteLine("({0}) {1} ({2})", index + 1, op.Title, op.DisplayName);
}
Console.Write("Select the number>");
// Get user input
var value = Console.ReadLine();
int selection = 0;
if (int.TryParse(value, out selection))
{
// Load the context from storage
ctx = ReadContext();
// creating a signal
var signal = new ReceiverSignal(options[selection - 1].Title);
// resume the workflow using a signal
res = eng.Workflow.Resume(ctx, signal);
}
ctx = (WorkflowExecutionContext)res.Context;
// update the context in the storage
WriteContext(ctx);
// and keep doing it until it is finished!
}
app = (Application)res.Context.VariableContainer["app"];
Console.WriteLine("Your application is: {0}", app.Status);
Console.WriteLine("State of workflow: {0}", ctx.State);
}
private void Vote(IRuntimeEngine eng)
{
// Run the workflow voting on majority vote 50% and higher decide on the output
var votingThreshold = 0.5;
var res = eng.Run(votingThreshold);
var ctx = (WorkflowExecutionContext)res.Context;
WriteContext(ctx);
// Keep resuming the workflow while it is in the Waiting state
while (ctx.State == FlowState.Waiting)
{
// Retrieve the available options from the Workflow
var task = ctx.GetReceivers().ToList();
Console.WriteLine("Please select options below:");
var workIdentity = task[0];
var outcomes = workIdentity.Outcomes;
var service = eng.Workflow.Registry.GetService <ITaskService>();
var options = outcomes.Select(x => x.Name).ToArray();
var work = service.Load(new WorkLoadParameters()
{
Category = workIdentity.Category, Name = workIdentity.Name, Title = workIdentity.Title
});
foreach (var wi in work.WorkItems.Where(x => x.Status == WorkItemStatus.PenddingResponse))
{
var actor = wi.Participant.Name;
Console.WriteLine("{0} ({1})", actor, string.Join("/", options));
}
Console.Write("Select answer in this format:User Answer\r\nFor example enter 'Arash Yes' will send the Arash's answer as Yes to workflow.\r\nAnswer>");
// Get user input
var value = Console.ReadLine();
var workItem = UpdateWorkItem(work, value, options);
if (workItem != null)
{
// Load the context from storage
ctx = ReadContext();
// creating a signal
var signal = new ReceiverSignal(workIdentity.Title)
{
Outcome = workItem.Outcome
};
// resume the workflow using a signal
res = eng.Workflow.Resume(ctx, signal);
ctx = (WorkflowExecutionContext)res.Context;
// update the context in the storage
WriteContext(ctx);
}
// and keep doing it until it is finished!
Console.WriteLine();
}
Console.WriteLine("State of workflow: {0}", ctx.State);
}
protected virtual ReceiverSignal AddReceiverSignal(ReceiverSignal sig)
{
return(ValueSignal = ValueSignal ?? sig);
}
