/// <summary>
/// Gets a string representation of the given null placement.
/// </summary>
/// <param name="placement">The null placement to convert to a string.</param>
/// <returns>The string representation.</returns>
public string ToString(NullPlacement placement)
{
switch (placement)
{
case NullPlacement.First:
return "NULLS FIRST";
case NullPlacement.Last:
return "NULLS LAST";
default:
throw new ArgumentException(Resources.UnknownNullPlacement, "placement");
}
}
/// <summary>
/// Initializes a new instance of a OrderBy.
/// </summary>
/// <param name="projection">The item to sort by.</param>
/// <param name="order">The order in which to sort the items.</param>
/// <param name="nullPlacement">The placement of nulls in the results.</param>
public OrderBy(
IProjectionItem projection,
Order order = Order.Default,
NullPlacement nullPlacement = NullPlacement.Default)
{
if (projection == null)
{
throw new ArgumentNullException("projection");
}
Projection = new AliasedProjection(projection, null);
Order = order;
NullPlacement = nullPlacement;
}
/// <summary>
/// Initializes a new instance of a OrderBy.
/// </summary>
/// <param name="projection">The item to sort by.</param>
/// <param name="order">The order in which to sort the items.</param>
/// <param name="nullPlacement">The placement of nulls in the results.</param>
public OrderBy(
IProjectionItem projection,
Order order = Order.Default,
NullPlacement nullPlacement = NullPlacement.Default)
{
if (projection == null)
{
throw new ArgumentNullException("projection");
}
Projection = new AliasedProjection(projection, null);
Order = order;
NullPlacement = nullPlacement;
}
/// <summary>
/// Gets a string representation of the given null placement.
/// </summary>
/// <param name="placement">The null placement to convert to a string.</param>
/// <returns>The string representation.</returns>
public string ToString(NullPlacement placement)
{
switch (placement)
{
case NullPlacement.First:
return("NULLS FIRST");
case NullPlacement.Last:
return("NULLS LAST");
default:
throw new ArgumentException("Encountered an unknown null placement.");
}
}
/// <summary>
/// Gets a string representation of the given null placement.
/// </summary>
/// <param name="placement">The null placement to convert to a string.</param>
/// <returns>The string representation.</returns>
public string ToString(NullPlacement placement)
{
switch (placement)
{
case NullPlacement.First:
return("NULLS FIRST");
case NullPlacement.Last:
return("NULLS LAST");
default:
throw new ArgumentException(Resources.UnknownNullPlacement, "placement");
}
}
