private void Handle_exception(Task task, Exception ex)
{
var exFlow = ex as FlowRuntimeException ?? new FlowRuntimeException(ex, task.Message);
if (task.Message.Causalities.IsEmpty)
UnhandledException(exFlow);
else
Catch_exception_with_causality(task, exFlow);
}
public void Process(Task task)
{
var ebcOp = task.Operation as EBCOperation;
if (ebcOp != null)
{
var methodOp = ebcOp.Create_method_operation(task.Message);
task = new Task(task.Message, methodOp);
}
Result(task);
}
public void Process(Task task)
{
try
{
task.Operation.Implementation(task.Message,
output => Put_output_in_same_context_as_input(task, output),
ex => Handle_exception(task, ex));
}
catch (Exception ex)
{
Handle_exception(task, ex);
}
}
public void Output_is_in_same_context_as_input()
{
var sut = new Execute_task();
var msg = new Message("a/b/x.in", "hello");
var task = new Task(msg,
new Operation("x", (input, outputCont, _) => {
outputCont(new Message("x.out", input.Data.ToString() + "x"));
}));
var results = new List<IMessage>();
sut.Result += _ => results.Add(_);
sut.Process(task);
Assert.AreEqual("hellox", results[0].Data.ToString());
Assert.AreEqual("a/b/x.out", results[0].Port.Fullname);
}
private void Put_output_in_same_context_as_input(Task task, IMessage output)
{
if (!(task.Operation is IFlow) && task.Message.Port.Path != output.Port.Path)
output = new Message(Port.Build(task.Message.Port.Path, output.Port.OperationName, output.Port.InstanceNumber, output.Port.Name),
output.Data,
task.Message.CorrelationId);
if (task.Message.Port.InstanceNumber != "" && output.Port.InstanceNumber == "")
output = new Message(Port.Build(output.Port.Path, output.Port.OperationName, task.Message.Port.InstanceNumber, output.Port.Name),
output.Data,
task.Message.CorrelationId);
if (!(task.Operation is IFlow)) output.FlowStack = task.Message.FlowStack;
output.Causalities = task.Message.Causalities;
Result(output);
}
public void Operation_with_single_output()
{
var sut = new Execute_task();
var msg = new Message("x.in", "hello");
var task = new Task(msg,
new Operation("x", (input, outputCont, _) => {
outputCont(input);
}));
IMessage result = null;
sut.Result += _ => result = _;
sut.Process(task);
Assert.AreSame(msg, result);
}
public void Operation_with_multiple_outputs()
{
var sut = new Execute_task();
var msg = new Message("x.in", "hello");
var task = new Task(msg,
new Operation("x", (input, outputCont, _) => {
outputCont(new Message("1", input.Data.ToString() + "x"));
outputCont(new Message("2", input.Data.ToString() + "y"));
}));
var results = new List<IMessage>();
sut.Result += _ => results.Add(_);
sut.Process(task);
Assert.AreEqual("1", results[0].Port.Fullname);
Assert.AreEqual("hellox", results[0].Data.ToString());
Assert.AreEqual("2", results[1].Port.Fullname);
Assert.AreEqual("helloy", results[1].Data.ToString());
}
public void Execute(Task task)
{
_execute(task);
}
private void Catch_exception_with_causality(Task task, FlowRuntimeException ex)
{
var c = task.Message.Causalities.Peek();
var cMsg = new Message(c.Port, ex, task.Message.CorrelationId);
HandledException(cMsg);
}