/// <summary>Make an empty path.</summary>
/// <param name="tree">Target of path.</param>
internal TreePath(BPlusTreeDictionary <TKey, TValue> tree)
{
indexStack = new List <int> ();
nodeStack = new List <Node> ();
IsFound = false;
Push(tree.root, 0);
}
/// <summary>Make a path to leftmost branch or leaf at the given level.</summary>
/// <param name="tree">Target of path.</param>
/// <param name="level">Level of node to seek where root is level 0.</param>
/// <remarks>Used only for diagnostics.</remarks>
internal TreePath(BPlusTreeDictionary <TKey, TValue> tree, int level)
: this(tree)
{
Node node = TopNode;
for (; ;)
{
if (level <= 0)
{
break;
}
node = ((InternalNode)node).GetChild(0);
Push(node, 0);
--level;
}
}
