/// <summary>
/// Builds the next element.
/// </summary>
/// <param name="runner">The runner.</param>
/// <param name="currentElement">The current element.</param>
/// <param name="endElement">The end element.</param>
/// <param name="wfInstance">The wf instance.</param>
private void BuildNextElement(WFRunner runner, WFElement currentElement,WFElement endElement, Workflow wfInstance)
{
WFElement outElement = null;
if (currentElement.GetType() == typeof (Boundary))
{
// This should only be entered into during the top level invocation
// i.e. for the "Start" boundary itself.
string nextActivity = currentElement.NextActivityID();
//TransformationEngine.Call aCall =
// wfInstance.Call.Find(x => x.activityID.Equals(nextActivity));
TransformationEngine.Call aCall = wfInstance.Call.Find(x=>x.activityID.Equals(nextActivity));//[WorkflowFactory.IndexOfActivity(nextActivity)];
if ( null != aCall )
{
// Create and add the new call...set this boundary as one of it's predecessors
outElement = new Call(aCall, wfInstance);
outElement.PreviousElements.Add(currentElement);
runner.WorkflowElements.Add(outElement);
BuildNextElement(runner, outElement, endElement, wfInstance);
}
else
{
if (currentElement.NextActivityID().Equals(endElement.GetActivityID()))
{
// Empty workflow...just add the start as a previous element to the end.
endElement.PreviousElements.Add(currentElement);
}
}
}
else if (currentElement.GetType() == typeof(Call))
{
ConstructCall(runner, currentElement, endElement, wfInstance);
}
else if (currentElement.GetType() == typeof(Decision))
{
TransformationEngine.Decision decision = ((Decision) currentElement).DecisionModel;
string successID = decision.successPathID;
string failID = decision.failPathID;
currentElement.DefaultNextActivityID = successID;
if (null == runner.WorkflowElements.Find(x => (x.GetActivityID().Equals(successID))))
{
// Find the item that this is
// Construct the Success Branch
ConstructDecisionBranch(runner,currentElement,successID,endElement,wfInstance);
}
if (null == runner.WorkflowElements.Find(x => x.GetActivityID().Equals(failID)))
{
// Find the item that this is
// Construct the Fail Branch
ConstructDecisionBranch(runner, currentElement, failID, endElement, wfInstance);
}
}
}
