/// <summary>
/// Recursively walks the stages through the children to write the scenario.
/// </summary>
/// <param name="containerNode">The HTML container to render into.</param>
/// <param name="stage">The scenario stage.</param>
private static void RecurseTargetScenarioStage(HtmlNode containerNode, TargetScenarioStage stage)
{
switch (stage.MessagingObject.Type)
{
case MessagingObjectType.Endpoint:
RenderTargetScenarioEndpoint(containerNode, (Endpoint)stage.MessagingObject);
break;
case MessagingObjectType.Intermediary:
RenderTargetScenarioIntermediary(containerNode, (Intermediary)stage.MessagingObject);
break;
case MessagingObjectType.Channel:
RenderTargetScenarioChannel(containerNode, (Channel)stage.MessagingObject);
break;
}
stage.FollowingStages.ToList().ForEach(s => RecurseTargetScenarioStage(containerNode, s));
}
/// <summary>
/// Recursively checks the output refs for the stage and creates links to following intermediaries and stages.
/// </summary>
/// <param name="stage">The current stage being walked.</param>
/// <param name="target">The entire target model.</param>
/// <param name="allRefs">The list of references already processed, to prevent circular scenario walks.</param>
private static void RecurseScenarioStage(TargetScenarioStage stage, AzureIntegrationServicesMigrationTarget target, List <string> allRefs)
{
// The list of subsequent stages referenced by the current stage.
var outputRefs = new List <string>();
switch (stage.MessagingObject.Type)
{
case MessagingObjectType.Endpoint:
// The endpoint has a single output.
outputRefs.Add(((Endpoint)stage.MessagingObject).OutputChannelKeyRef);
break;
case MessagingObjectType.Channel:
var channel = (Channel)stage.MessagingObject;
// Only add the channel if its a routing channel.
if (channel.Properties.ContainsKey(ModelConstants.RouteLabel))
{
// The next stage is keyed off the channel.
outputRefs.Add(((Channel)stage.MessagingObject).Key);
}
break;
case MessagingObjectType.Intermediary:
// An intermediary can have multiple outputs.
outputRefs.AddRange(((Intermediary)stage.MessagingObject).OutputChannelKeyRefs);
break;
}
outputRefs.ForEach((o) =>
{
if (!allRefs.Contains(o))
{
var mo = target.FindMessagingObject(o, stage.MessagingObject.Type);
if (mo != null)
{
stage.FollowingStages.Add(mo.CreateScenarioStage());
}
allRefs.Add(o);
}
});
stage.FollowingStages.ToList().ForEach(s => RecurseScenarioStage(s, target, allRefs));
}
