public NodeGenerate GetOrCreateChildNode(int childNum)
{
NodeGenerate childNode;
var children = _children;
if (children == null)
{
childNode = new NodeGenerate(childNum, this);
_children = new Dictionary <int, NodeGenerate> {
{ childNum, childNode }
};
return(childNode);
}
if (!children.TryGetValue(childNum, out childNode))
{
children[childNum] = childNode = new NodeGenerate(childNum, this);
}
return(childNode);
}
private NodeGenerate(int id, NodeGenerate parentNode)
{
ID = id;
ParentNode = parentNode;
}