/// <summary>
/// Returns true if this is a descendant of parent.
/// </summary>
/// <returns>True if this is a descendant of parent.</returns>
/// <param name="parent">parent</param>
public bool IsDescendantOf(HierarchyId parent)
{
if (parent.GetLevel() > GetLevel())
{
return(false);
}
for (int i = 0; i < parent.GetLevel(); i++)
{
int cmp = CompareLongArrays(GetNodes()[i], parent.GetNodes()[i]);
if (cmp != 0)
{
return(false);
}
}
return(true);
}
public HierarchyId GetReparentedValue(HierarchyId oldRoot, HierarchyId newRoot)
{
if (!IsDescendantOf(oldRoot))
{
throw new ArgumentException(
string.Format(CultureInfo.InvariantCulture, GetReparentedValueOldRootExceptionMessage, oldRoot, ToString()), "oldRoot");
}
StringBuilder sb = new StringBuilder();
sb.Append(PathSeparator);
foreach (var node in newRoot.GetNodes())
{
sb.Append(LongArrayToString(node));
sb.Append(PathSeparator);
}
foreach (var node in GetNodes().Skip(oldRoot.GetLevel()))
{
sb.Append(LongArrayToString(node));
sb.Append(PathSeparator);
}
return(new HierarchyId(sb.ToString()));
}