/// <summary>
/// Traverse a factor tree and creates a Dictionary for caching.
/// </summary>
/// <param name="factorTreeNodes">The Dictionary for caching.</param>
/// <param name="children">Children factor trees to add to the dictionary.</param>
private void AddFactorTreeChildren(Dictionary <int, IFactorTreeNode> factorTreeNodes, FactorTreeNodeList children)
{
if (children.IsNotEmpty())
{
foreach (IFactorTreeNode child in children)
{
if (!factorTreeNodes.ContainsKey(child.Id))
{
factorTreeNodes.Add(child.Id, child);
}
AddFactorTreeChildren(factorTreeNodes, child.Children);
}
}
}