/// <summary>
/// Instantiate transition from this step
/// </summary>
protected override TransitionBase Instantiate(IWorkplanContext context)
{
var engine = Workflow.CreateEngine(Workplan, context);
var indexResolver = _indexResolver ??= TransitionBase.CreateIndexResolver(OutputDescriptions);
var transition = new SubworkflowTransition(engine, indexResolver);
return(transition);
}
/// <summary>
/// Creates a <see cref="TaskTransition{T}"/> for this activity type
/// </summary>
protected override TransitionBase Instantiate(IWorkplanContext context)
{
if (context.IsDisabled(this))
{
return(new NullTransition());
}
// Create transition
var indexResolver = _indexResolver ?? (_indexResolver = TransitionBase.CreateIndexResolver(OutputDescriptions));
return(new TaskTransition <TActivity>(Parameters, indexResolver));
}
public void SubworkflowPause()
{
// Arrange
var workplan = WorkplanDummy.CreatePausableSub();
var exits = workplan.Connectors.Where(c => c.Classification.HasFlag(NodeClassification.Exit)).ToArray();
var outputs = new[]
{
new OutputDescription {
MappingValue = (int)exits[0].Id
},
};
var trans = new SubworkflowTransition(Workflow.CreateEngine(workplan, new NullContext()), TransitionBase.CreateIndexResolver(outputs))
{
Id = 1,
Inputs = new[] { _inputs[0] },
Outputs = _outputs
};
var triggered = new List <ITransition>();
// Act
trans.Initialize();
trans.Triggered += (sender, args) => triggered.Add((ITransition)sender);
_inputs[0].Add(_token);
trans.Pause();
var state = trans.InternalState;
trans.Resume();
// Assert
Assert.AreEqual(0, _inputs[0].Tokens.Count());
Assert.AreEqual(_token, _outputs[0].Tokens.First());
Assert.AreEqual(1, triggered.Count);
Assert.IsInstanceOf <WorkflowSnapshot>(state);
var snapshot = (WorkflowSnapshot)state;
Assert.AreEqual(1, snapshot.Holders.Length);
var stepId = workplan.Steps.First(s => s is PausableStep).Id;
Assert.AreEqual(stepId, snapshot.Holders[0].HolderId);
}
public void SubWorkflowTransition()
{
// Arrange
var workplan = WorkplanDummy.CreateSub();
var exits = workplan.Connectors.Where(c => c.Classification.HasFlag(NodeClassification.Exit)).ToArray();
var outputs = new[]
{
new OutputDescription {
MappingValue = (int)exits[0].Id
},
new OutputDescription {
MappingValue = (int)exits[1].Id
},
};
var trans = new SubworkflowTransition(Workflow.CreateEngine(workplan, new NullContext()), TransitionBase.CreateIndexResolver(outputs))
{
Id = 1,
Inputs = new[] { _inputs[0] },
Outputs = _outputs
};
var triggered = new List <ITransition>();
// Act
trans.Initialize();
trans.Triggered += (sender, args) => triggered.Add((ITransition)sender);
_inputs[0].Add(_token);
// Assert
Assert.AreEqual(0, _inputs[0].Tokens.Count());
Assert.AreEqual(_token, _outputs[0].Tokens.First());
Assert.AreEqual(2, triggered.Count);
Assert.IsTrue(triggered.All(t => t is DummyTransition));
}
