/// <summary> /// Creates the mapping between <paramref name="sourceMappings"/> and <paramref name="destination"/> using the SOURCE to generate candidate names for the mapping /// </summary> internal static List <Mapping> CreateUsingSource(IReadOnlyCollection <Thing> sourceMappings, Type destination, string removablePrefix = null) => CreateUsingSource(sourceMappings, Types.WriteablePublicThings(destination), removablePrefix);
/// <summary> /// Creates the mapping between <paramref name="sourceMappings"/> and <paramref name="destinationMappings"/> using the DESTINATION to generate candidate names for the mapping /// </summary> internal static List <Mapping> CreateUsingDestination(Type source, IReadOnlyCollection <Thing> destinationMappings, string removablePrefix = null) => CreateUsingDestination(Types.WriteablePublicThings(source), destinationMappings, removablePrefix);
/// <summary> /// Creates the mapping between <paramref name="source"/> and <paramref name="destination"/> using the SOURCE to generate candidate names for the mapping /// </summary> internal static List <Mapping> CreateUsingSource(Type source, Type destination, string removablePrefix = null) => CreateUsingSource(Types.WriteablePublicThings(source), Types.WriteablePublicThings(destination), removablePrefix);
static Delegate CreateMapFunc(Type typeT, IReadOnlyCollection <Column> columns)
{
Contract.Requires(columns != null);
Contract.Requires(typeT != null);
Contract.Ensures(Contract.Result <Delegate>() != null);
if (typeT.IsPrimitiveOrEnum() || typeT.IsNullable() || typeT == typeof(Guid) || typeT == typeof(DateTime))
{
return(CreatePrimativeMapFunc(typeT, columns));
}
var map = Mapping.CreateUsingSource(columns.Cast <Thing>().ToList(), Types.WriteablePublicThings(typeT), typeT.Name);
var readerParam = Expression.Parameter(typeof(DbDataReader), "reader");
var resultParam = Expression.Parameter(typeT, "result");
var block = CreateMapBlock(typeT, map, readerParam, resultParam);
var func = typeof(Func <,>).MakeGenericType(new[] { typeof(DbDataReader), typeT });
return(Expression.Lambda(func, block, new[] { readerParam }).Compile());
}
