private void CombineLinkedSplitNodes()
{
List <SequenceFlow> sequenceFlows = trail.GetSequenceFlowsBetweenSplitNodes();
Queue <SequenceFlow> seqQueue = new Queue <SequenceFlow>();
sequenceFlows.ForEach(seqQueue.Enqueue);
SequenceFlow curr = null;
ExclusiveGateway firstEg = null;
ExclusiveGateway secondEg = null;
while (seqQueue.Count > 0)
{
curr = seqQueue.Dequeue();
firstEg = trail.GetExclusiveGateWay(curr.sourceRef);
secondEg = trail.GetExclusiveGateWay(curr.targetRef);
secondEg.outgoing.ForEach(x =>
{
firstEg.outgoing.Add(x);
trail.ChangeSourceRefOnSequenceFlow(x, firstEg.id);
});
secondEg.outgoing.RemoveAll(x => true);
trail.RemoveEventWithSequences(secondEg.id);
}
}
private BPMNTrail FixMergeGateLocationsInRepeatedSequences(List <string> repSeq, Tuple <int, List <int> > startLocs, List <string> trace, BPMNTrail workingTrail)
{
string idString = string.Empty;
List <string> repSeqIds = new List <string>();
List <string> ids = new List <string>();
for (int i = 0; i < repSeq.Count + startLocs.Item1; i++)
{
idString += trace[i];
if (i >= startLocs.Item1)
{
repSeqIds.Add(idString);
}
}
if (!(repSeqIds[0] + repSeqIds[0]).Equals(repSeqIds[1]))
{
foreach (int pos in startLocs.Item2)
{
idString = string.Empty;
for (int i = 0; i < pos + repSeq.Count; i++)
{
idString += trace[i];
if (i >= pos)
{
ids.Add(idString);
}
}
}
Task current = workingTrail.GetTask(repSeqIds.Last <string>());
Task helperTask1 = null;
Task helperTask2 = null;
ExclusiveGateway eg = null;
SequenceFlow seqFlow = null;
int index = 0;
string nextId = ids[0];
string helper = string.Empty;
while (!current.id.Equals(ids.Last <string>()))
{
helper = workingTrail.GetSequenceFlow(current.outgoing[0]).targetRef;
if (helper.Equals(nextId))
{
if (!nextId.Equals(ids.Last <string>()))
{
nextId = ids[index += 1];
}
current = workingTrail.GetTask(helper);
}
else if (workingTrail.ExclusiveGatewayExists(helper))
{
eg = workingTrail.GetExclusiveGateWay(helper);
foreach (string s in eg.outgoing)
{
helper = workingTrail.GetSequenceFlow(s).targetRef;
if (helper.Equals(nextId))
{
seqFlow = workingTrail.GetSequenceFlow(s);
helperTask1 = workingTrail.GetTask(helper);
helperTask2 = workingTrail.GetTaskByNameIfIdInList(helperTask1.name, repSeqIds);
if (!repSeqIds.Contains(current.id))
{
workingTrail.MoveMergeGate(eg.id, workingTrail.GetSequenceFlowByTargetRefId(helperTask2.id).sourceRef, helperTask1.id);
}
if (!nextId.Equals(ids.Last <string>()))
{
nextId = ids[index += 1];
}
current = helperTask1;
break;
}
}
}
}
}
return(workingTrail);
}