protected TreeEnumerator(T root, ITreeEnumeratorAdvisor <T> treeAdvisor)
{
if (root == null)
{
throw new ArgumentNullException(nameof(root));
}
Root = new RootEnumerator(root);
TreeAdvisor = treeAdvisor ?? throw new ArgumentNullException(nameof(treeAdvisor));
}
public void Dispose()
{
if (TreeAdvisor == null)
{
return;
}
TreeAdvisor = null;
Root = RootEnumerator.Empty;
Stack?.Clear();
}
protected TreeEnumerator(IEnumerator <T> treeItemsEnumerator, ITreeEnumeratorAdvisor <T> treeAdvisor)
{
Root = new RootEnumerator(treeItemsEnumerator);
TreeAdvisor = treeAdvisor ?? throw new ArgumentNullException(nameof(treeAdvisor));
}