public static TransferObject Start(ActivityBuilder activityBuilder)
{
TransferObject = new TransferObject();
var rootActivity = activityBuilder.Implementation;
_logger.Trace("Converting root activity to traversal object.");
var traversalObject = FromGenericWWFObject.ToBaseTraversalObject(rootActivity);
TraverseActivities(traversalObject, 0);
return(TransferObject);
}
private static void TraverseActivities(BaseTraversalObject activity, int level)
{
_logger.Trace($"Converting {activity.DisplayName} to traversal object.");
_logger.Trace($"In Level: {level}.");
AddActivityToTransferObject(activity, level);
// add any variables in current scope to transfer object (as global scope variable)
if (activity.Variables.Any())
{
_logger.Trace($"Has {activity.Variables.Count()} variables.");
AddVariablesToTransferObject(activity.Variables);
}
// evaluate any activities in scope
_logger.Trace($"Has {activity.Activities.Count()} child activities.");
foreach (var childActivity in activity.Activities)
{
// convert child to traversal object
var newActivity = FromGenericWWFObject.ToBaseTraversalObject(childActivity);
// traverse child
if (newActivity.IsSequence || newActivity.IsForEachActivity || newActivity.IsIfActivity ||
newActivity.IsTryCatchActivity)
{
TraverseActivities(newActivity, level + 1);
}
else
{
AddActivityToTransferObject(newActivity, level);
}
}
// evaluate if then
if (activity.Then != null)
{
_logger.Trace("In Then.");
var thenActivity = FromGenericWWFObject.ToBaseTraversalObject(activity.Then);
TraverseActivities(thenActivity, level + 1);
}
// evaluate if else
if (activity.Else != null)
{
_logger.Trace("In Else");
var elseActivity = FromGenericWWFObject.ToBaseTraversalObject(activity.Else);
TraverseActivities(elseActivity, level + 1);
}
}
