/// <summary>
/// Converts the <see cref="RecordSet"/> items to <see cref="Entity"/> instances.
/// </summary>
/// <param name="source">The <see cref="RecordSet"/> to process.</param>
/// <param name="primaryKeyIndex">Index of primary key within the <see cref="Record"/>.</param>
/// <returns>The sequence of <see cref="Entity"/> instances.</returns>
public static IEnumerable <Entity> ToEntities(this RecordSet source, int primaryKeyIndex)
{
var session = ((EnumerationContext)source.Context).Session;
var reader = session.Domain.RecordSetReader;
foreach (var record in reader.Read(source, source.Header, session))
{
var key = record.GetKey(primaryKeyIndex);
if (key == null)
{
continue;
}
var tuple = record.GetTuple(primaryKeyIndex);
if (tuple != null)
{
yield return(session.Handler.UpdateState(key, tuple).Entity);
}
else
{
yield return(session.Query.SingleOrDefault(key));
}
}
}
/// <summary>
/// Converts the <see cref="RecordSet"/> items to <see cref="Entity"/> instances.
/// </summary>
/// <typeparam name="T">The type of <see cref="Entity"/> instances to get.</typeparam>
/// <param name="source">The <see cref="RecordSet"/> to process.</param>
/// <param name="primaryKeyIndex">Index of primary key within the <see cref="Record"/>.</param>
/// <returns>The sequence of <see cref="Entity"/> instances.</returns>
public static IEnumerable <T> ToEntities <T>(this RecordSet source, int primaryKeyIndex)
where T : class, IEntity
{
return(ToEntities(source, primaryKeyIndex).Cast <T>());
}