protected override void RunInternal()
{
#if DEBUGORDERING
if (graph.NumberOfVertices != layering.Length)
{
throw new System.Exception("the layering does not correspond to the graph");
}
foreach (IntEdge e in graph.Edges)
{
if (layering[e.Source] - layering[e.Target] != 1)
{
throw new System.Exception("the edge in the graph does not span exactly one layer:" + e);
}
}
#endif
#if PPC // Parallel -- susanlwo
LayerArrays secondLayers = null;
Ordering revOrdering = null;
System.Threading.Tasks.Task t = null;
if (/*orderingMeasure.x>0 &&*/ tryReverse)
{
secondLayers = layerArrays.ReversedClone();
revOrdering = new Ordering(properLayeredGraph.ReversedClone(), false, secondLayers, startOfVirtNodes, balanceVirtAndOrigNodes, this.hasCrossWeights, settings);
// note: below we need to pass the CancelToken from this thread into the new thread, to make sure a previous thread from the ThreadPool's
// thread static token (that may be in a cancelled state) is picked up.
t = System.Threading.Tasks.Task.Factory.StartNew(() => revOrdering.Run(this.CancelToken));
}
Calculate();
if (/*orderingMeasure.x>0 &&*/ tryReverse)
{
t.Wait();
if (revOrdering.measure < measure)
{
for (int j = 0; j < nOfLayers; j++)
{
secondLayers.Layers[j].CopyTo(layerArrays.Layers[nOfLayers - 1 - j], 0);
}
layerArrays.UpdateXFromLayers();
}
}
#else
Calculate();
if (/*orderingMeasure.x>0 &&*/ tryReverse)
{
LayerArrays secondLayers = layerArrays.ReversedClone();
var revOrdering = new Ordering(properLayeredGraph.ReversedClone(), false, secondLayers, startOfVirtNodes, balanceVirtAndOrigNodes,
hasCrossWeights, settings);
revOrdering.Run();
if (revOrdering.measure < measure)
{
for (int j = 0; j < nOfLayers; j++)
{
secondLayers.Layers[j].CopyTo(layerArrays.Layers[nOfLayers - 1 - j], 0);
}
layerArrays.UpdateXFromLayers();
}
}
#endif
}