internal void RemoveParent(TreeElement<T> parent)
{
_parents.Remove(parent);
parent._children.Remove(this);
PathCountRecalulate();
}
internal void RemoveChild(TreeElement<T> child)
{
_children.Remove(child);
child._parents.Remove(this);
child.PathCountRecalulate();
}
private static IEnumerable <TreeElement <T> > GetElementsDownWithDuplicates <T>(TreeElement <T> element)
{
foreach (TreeElement <T> child in element.Children)
{
yield return(child);
if (child.HasChildren)
{
foreach (TreeElement <T> grandchild in GetElementsDownWithDuplicates(child))
{
yield return(grandchild);
}
}
}
}
internal static IEnumerable <TreeElement <T> > GetElementsDown <T>(TreeElement <T> element)
{
var elementsWeFound = new HashSet <TreeElement <T> >();
return(GetElementsDown(element, elementsWeFound));
}
/// <summary>
/// Удаляет все ветки, которые расположены после данного элемента
/// </summary>
/// <param name="startElement"></param>
public void RemoveBranchesAfter(TreeElement <T> startElement)
{
startElement.RemoveAllParents();
RemoveDown(startElement);
RecalculateBrachCount();
}
public TreeDecision()
{
Root = new TreeElement <T>();
_elements = new HashSet <TreeElement <T> >();
_branchCount = 1;
}