/// <summary>
/// Searches the type and child types for a field that matches the given column name.
/// </summary>
/// <param name="type">The type to search.</param>
/// <param name="columnName">The column to search for.</param>
/// <param name="mappingCollection">The mapping collection containing the configuration for this context.</param>
/// <returns>The name of the field or null if there is no match.</returns>
internal static string SearchForMatchingField(Type type, string columnName, MappingCollection mappingCollection)
{
var queue = new Queue <Tuple <Type, string> >();
queue.Enqueue(Tuple.Create(type, String.Empty));
var searched = new HashSet <Type>();
while (queue.Any())
{
var tuple = queue.Dequeue();
var t = tuple.Item1;
var prefix = tuple.Item2;
searched.Add(t);
var prop = GetMemberByColumnName(t, columnName);
if (prop != null)
{
return(prefix + prop.Name);
}
if (mappingCollection.CanBindChild(t))
{
foreach (var p in ClassPropInfo.GetMembersForType(t).Where(m => !TypeHelper.IsAtomicType(m.MemberType)))
{
if (!searched.Contains(p.MemberType))
{
queue.Enqueue(Tuple.Create(p.MemberType, prefix + p.Name + MemberSeparator));
}
}
}
}
return(null);
}
