void FillMaximalMatching(BipartiteGraphMatching <T> matching)
{
GetMaximalMatchingFSet fSet = new GetMaximalMatchingFSet(Data.VSize);
do
{
fSet.Clear();
var freeUVertexList = Data.GetUVertexList().Where(x => !IsMatchedVertex(x));
foreach (var uVertex in freeUVertexList)
{
Color bfsColor = Color.CreateColor();
DoBFSearch(uVertex, (x, y) =>
IsMatchedEdge(x, y) ? Data.IsVVertex(x) : Data.IsUVertex(x)
, (x, y) =>
Data.UpdateEdgeData(x, y, edgeData => edgeData.WithColor(bfsColor))
, x => {
if (Data.IsVVertex(x) && !IsMatchedVertex(x))
{
if (IsInFSet(x))
{
fSet.UpdateItem(x.GetData <GetMaximalMatchingVertexInFSetData>().ItemIndex, new GetMaximalMatchingFSetItem(x, bfsColor));
}
else
{
int itemIndex = fSet.AddItem(new GetMaximalMatchingFSetItem(x, bfsColor));
x.Data = new GetMaximalMatchingVertexInFSetData(itemIndex);
}
return(false);
}
return(true);
});
}
foreach (var fSetItem in fSet)
{
DoDFSearch(fSetItem.Vertex, (x, y) => Data.GetEdgeData(x, y).Color == fSetItem.BfsColor
, (x, y) => {
var uVertex = matching.Data.GetUVertex(Data.GetUVertex(x, y).Handle);
var vVertex = matching.Data.GetVVertex(Data.GetVVertex(x, y).Handle);
if (IsMatchedEdge(x, y))
{
Data.GetEdgeData(x, y).WithData(null);
matching.DeleteEdge(uVertex, vVertex);
}
else
{
Data.UpdateEdgeData(x, y, edgeData => edgeData.WithData(new GetMaximalMatchingMatchedData()));
matching.CreateEdge(uVertex, vVertex);
}
}, x => {
bool stopSearch = Data.IsUVertex(x) && !IsMatchedVertex(x);
x.Data = new GetMaximalMatchingMatchedData();
return(stopSearch ? false : true);
});
}
}while(fSet.Size != 0);
ClearData(true, true);
}