/// <summary>
/// Gets the <see cref="IPropertyReflector"/> properties that make up the unique key (lazy-loaded and cached for performance).
/// </summary>
/// <param name="ier">The parent <see cref="IEntityReflector"/>.</param>
/// <returns>The <see cref="IPropertyReflector"/> properties.</returns>
public IPropertyReflector[] GetPropertyReflectors(IEntityReflector ier)
{
if (propertyReflectors != null)
{
return(propertyReflectors);
}
lock (_lock)
{
if (propertyReflectors == null)
{
var prs = new IPropertyReflector[Properties.Length];
for (int i = 0; i < Properties.Length; i++)
{
prs[i] = ier.GetProperty(Properties[i]);
if (prs[i] == null)
{
// Special case where the unique key may be a reference data type; i.e. points to the 'NameSid' property.
prs[i] = ier.GetProperty(Properties[i] + "Sid");
if (prs[i] == null)
{
throw new InvalidOperationException($"Type '{ier.Type.Name}' references a UniqueKey Property '{Properties[i]}' that does not exist.");
}
}
}
propertyReflectors = prs;
}
}
return(propertyReflectors);
}
