public static void Copy <T, U>(T fromT, U toU, Func <PropertyAndFieldAccessor, bool> predicate = null, bool ignoreCase = true, bool copyNullMembers = false) where T : class where U : class
{
var fromProps = RicochetUtil.GetPropsAndFields <T>();
var toProps = RicochetUtil.GetPropsAndFields <U>();
if (predicate != null)
{
fromProps = fromProps.Where(predicate);
toProps = toProps.Where(predicate);
}
foreach (var toProp in toProps)
{
var fromProp = fromProps.FirstOrDefault(x => string.Compare(x.Name, toProp.Name, ignoreCase) == 0);
if (fromProp == null)
{
continue;
}
var fromValue = fromProp.GetVal(fromT);
if (!copyNullMembers && object.Equals(fromValue, null))
{
continue;
}
toProp.SetVal(toU, fromValue);
}
}
public static IEnumerable <T> ShallowCopyRange <T>(IEnumerable <T> originalItems) where T : class, new()
{
var ret = new List <T>(originalItems.Count());
var props = RicochetUtil.GetPropsAndFields <T>();
foreach (var item in originalItems)
{
ret.Add(props.ShallowCopyItem(item));
}
return(ret);
}
public NestedMemberSelector <U> Where <U>(Func <PropertyAndFieldAccessor, bool> predicate = null)
{
predicate = predicate ?? (x => true);
var props = RicochetUtil.GetPropsAndFields(typeof(T)).Where(x => predicate(x) && x.Type == typeof(U));
if (!props.Any())
{
throw new ArgumentException($"{typeof(T).Name} does not have a member of type {typeof(U).Name} matching the predicate.");
}
if (props.Count() > 1)
{
throw new ArgumentException($"{typeof(T).Name} has more than one member of type {typeof(U).Name} matching the predicate.");
}
var value = props.First().GetVal(Result);
return(new NestedMemberSelector <U> {
Result = (U)value,
});
}
