protected IOrderByClause Add(IOrderByItem item, AddWhen when)
{
int existingIndex = InnerList.FindIndex(existing =>
existing.Field == item.Field);
if (existingIndex >= 0)
{
switch (when)
{
case AddWhen.MustBeMissing:
throw new ArgumentException(String.Format("The clause already contains a sort criteria for {0}",
item.Field));
case AddWhen.WhenMissing:
return(this);
case AddWhen.Always:
InnerList.RemoveAt(existingIndex);
break;
}
}
item.Owner = this.Owner;
InnerList.Add(item);
Touch();
return(this);
}
protected IOrderByClause Add(IOrderByItem item, AddWhen when)
{
int existingIndex = InnerList.FindIndex(existing =>
existing.Field == item.Field);
if (existingIndex >= 0)
{
switch(when) {
case AddWhen.MustBeMissing:
throw new ArgumentException(String.Format("The clause already contains a sort criteria for {0}",
item.Field));
case AddWhen.WhenMissing:
return this;
case AddWhen.Always:
InnerList.RemoveAt(existingIndex);
break;
}
}
item.Owner = this.Owner;
InnerList.Add(item);
Touch();
return this;
}