static internal IEnumerable <string> GetColumnsFor(ClassMetadata metadata, string decompositionPrefix)
{
foreach (var property in metadata.Properties)
{
if (property.Decompose)
{
foreach (var item in GetColumnsFor(property.PropertyType, decompositionPrefix + property.DecompositionPrefix))
{
yield return(item);
}
}
else if (property.CanWrite && property.MappedColumnName != null)
{
yield return(decompositionPrefix + property.MappedColumnName);
}
}
}
/// <summary>
/// Gets the metadata for the indicated type.
/// </summary>
/// <param name="typeInfo">The type of interest</param>
/// <returns>A thread-safe copy of the class's metadata</returns>
/// <remarks>Actually fetching the metadata requires taking a lock. Therefore it is advisable to locally cache the metadata as well.</remarks>
public static ClassMetadata GetMetadata(TypeInfo typeInfo)
{
if (typeInfo == null)
{
throw new ArgumentNullException(nameof(typeInfo), $"{nameof(typeInfo)} is null.");
}
lock (s_SyncRoot)
{
ClassMetadata result;
if (s_ModelInfo.TryGetValue(typeInfo, out result))
{
return(result);
}
result = new ClassMetadata(typeInfo);
//Cache the TypeInfo object
s_ModelInfo.Add(typeInfo, result);
return(result);
}
}