public static void AddRange <T>(this ICollection <T> items, object vt, Func <T> factory = null) where T : class
{
object[,] vtdata = vt as object[, ];
int n = vtdata.GetLength(0);
int k = vtdata.GetLength(1);
Type t = typeof(T);
bool implementsIXlObjectMapping = typeof(IXLObjectMapping).IsAssignableFrom(t);
XLObjectMapping map = implementsIXlObjectMapping ? null : _types.GetOrAdd(t, f => new XLObjectMapping(t));
for (int i = 0; i < n; i++)
{
T instance = (factory != null) ? factory() : (t.GetConstructor(Type.EmptyTypes) != null) ? (T)Activator.CreateInstance(t, new object[0])
: (T)Activator.CreateInstance(t, true);
if (implementsIXlObjectMapping)
{
var xlob = instance as IXLObjectMapping;
for (int j = 0; j < k; j++)
{
xlob.SetColumn(j, vtdata[i, j]);
}
}
else
{
for (int j = 0; j < k; j++)
{
map.SetColumn(instance, j, vtdata[i, j]);
}
}
items.Add(instance);
}
}
public static void SetObjectMapping(XLObjectMapping mapping)
{
_types.AddOrUpdate(mapping.MappedType, mapping, (t, m) => mapping);
}
