public static IOrderedQueryConfigurator <TEntity> ThenByDescending <TEntity, TProperty>(this IOrderedQueryConfigurator <TEntity> configurator, Expression <Func <TEntity, TProperty> > keySelector)
where TEntity : class
{
return(ThenBy(configurator, keySelector, null, true));
}
public static IOrderedQueryConfigurator <TEntity> ThenBy <TEntity, TProperty>(this IOrderedQueryConfigurator <TEntity> configurator, Expression <Func <TEntity, TProperty> > keySelector, IComparer <TProperty> comparer)
where TEntity : class
{
return(ThenBy(configurator, keySelector, comparer, false));
}
public static IOrderedQueryConfigurator <TEntity> ThenBy <TEntity, TProperty>(this IOrderedQueryConfigurator <TEntity> configurator, Expression <Func <TEntity, TProperty> > keySelector, IComparer <TProperty> comparer, bool descending)
where TEntity : class
{
if (configurator == null)
{
throw new ArgumentNullException(nameof(configurator));
}
if (keySelector == null)
{
throw new ArgumentNullException(nameof(keySelector));
}
const bool isRoot = false;
var specification = new OrderByQuerySpecification <TEntity, TProperty>(keySelector, comparer, @descending, isRoot);
configurator.AddSpecification(specification);
return(configurator);
}
