public Activity Create(DependencyObject target)
{
// Sequence container.
var sequence = new Sequence();
sequence.DisplayName = "Approve";
// Correlation Handle.
var handle = new Variable <CorrelationHandle>("_handle");
var trainingRequest = new Variable <TrainingRequest>("_trainingRequest");
// Get variable collection.
var variables = GetVariableCollection(target);
if (variables == null)
{
sequence.Variables.Add(handle);
sequence.Variables.Add(trainingRequest);
}
else
{
handle = AddVariable <CorrelationHandle>(variables, handle);
trainingRequest = AddVariable <TrainingRequest>(variables, trainingRequest);
}
// Create Receive Activity.
var receive = new Receive();
receive.DisplayName = "Approve Receive";
receive.Action = "http://tempuri.org/ITrainingWorkflowService/Approve";
receive.OperationName = "Approve";
receive.ProtectionLevel = ProtectionLevel.None;
receive.ServiceContractName = "ITrainingWorkflowService";
receive.CanCreateInstance = true;
// Add parameters to Receive
var parameters = new ReceiveParametersContent();
parameters.Parameters.Add("trainingRequest", new OutArgument <TrainingRequest>(trainingRequest));
receive.Content = parameters;
// Add CorrelationInitializer to Receive
var initializer = new RequestReplyCorrelationInitializer();
initializer.CorrelationHandle = new InArgument <CorrelationHandle>(handle);
receive.CorrelationInitializers.Add(initializer);
// Create SendReply Activity
var send = new SendReply();
send.DisplayName = "Approve Reply";
send.Action = "http://tempuri.org/ITrainingWorkflowService/ApproveResponse";
send.Request = receive;
send.PersistBeforeSend = true;
// Create Approve activity.
Approve approve = new Approve();
approve.DisplayName = "Approve";
approve.TrainingRequest = trainingRequest;
// Add activities to sequence.
sequence.Activities.Add(receive);
sequence.Activities.Add(approve);
sequence.Activities.Add(send);
return(sequence);
}
