/// <summary>
/// Add some columns from <paramref name="annotations"/> into our new annotations, by applying <paramref name="selector"/>
/// to all the names.
/// </summary>
/// <param name="annotations">The annotations row to take values from.</param>
/// <param name="selector">The predicate describing which annotation columns to keep.</param>
public void Add(Annotations annotations, Func <string, bool> selector)
{
if (annotations == null)
{
return;
}
if (selector == null)
{
throw new ArgumentNullException(nameof(selector));
}
foreach (var column in annotations.Schema)
{
if (selector(column.Name))
{
_items.Add((column.Name, column.Type, annotations.GetGetterInternal(column.Index), column.Annotations));
}
}
}