private int PutNodeGroupName(string nodeName, int nodeGroupId, IDictionary <int, ISet <string> > groups, IDictionary <string, ISet <string> > rootToNodeGroup)
{
int newNodeGroupId = nodeGroupId;
string root = nodeGrouper.Root(nodeName);
ISet <string> nodeGroup = rootToNodeGroup.ContainsKey(root) ? rootToNodeGroup[root] : null;
if (nodeGroup == null)
{
nodeGroup = new HashSet <string>();
rootToNodeGroup.Add(root, nodeGroup);
groups.Add(newNodeGroupId++, nodeGroup);
}
nodeGroup.Add(nodeName);
return(newNodeGroupId);
}
