private static IEnumerable<IColumnMapping> DefaultPropertySelector(Type type, IEnumerable<MemberInfo> memberInfos)
{
var props = from prop in type.GetProperties(BindingFlags.Instance | BindingFlags.Public)
where !memberInfos.Contains(prop)
where !Attribute.IsDefined(prop, typeof(NotMappedAttribute))
let attr = (ColumnAttribute)Attribute.GetCustomAttribute(prop, typeof(ColumnAttribute)) ?? new ColumnAttribute()
select new { prop, attr };
var toReturn = new List<IColumnMapping>();
foreach(var prop in props) {
var map = new ColumnMapping(prop.prop);
CopyAttributeToMapping(prop.attr, map);
toReturn.Add(map);
}
return toReturn;
}
private static IEnumerable<IColumnMapping> DefaultPrimaryKeySelector(Type type)
{
var props = type.GetProperties(BindingFlags.Public | BindingFlags.Instance);
var idProps = (from prop in props
let attr = (ColumnAttribute)Attribute.GetCustomAttribute(prop, typeof(ColumnAttribute))
where attr != null
where attr.IsPrimaryKey
select new { prop, attr }).ToList();
if(idProps.Count == 0) {
var idProperty = type.GetProperty("Id", BindingFlags.Instance | BindingFlags.Public);
if (idProperty == null || !idProperty.CanWrite || !idProperty.CanRead) {
throw new Exception(string.Format("Could not find a public read/write property named Id on type {0}", type));
}
idProps.Add(new {
prop = idProperty,
attr = new ColumnAttribute() { IsPrimaryKey = true, IsDbGenerated = true }
});
}
var toReturn = new List<IColumnMapping>();
foreach(var prop in idProps) {
var map = new ColumnMapping(prop.prop);
CopyAttributeToMapping(prop.attr, map);
toReturn.Add(map);
}
return toReturn;
}
