public IPredicateRoutes <TResult> Subset <TResult>(Route route,
Expression <Func <TClass, IEnumerable <TResult> > > accessor,
Action <PredicateRouteOptions> options = null)
{
if (Routes.ContainsKey(route))
{
throw new ArgumentException($"{route} route already declared");
}
var memberAccessExpression = accessor?.Body as MemberExpression;
if (memberAccessExpression == null)
{
throw new ArgumentException("Member access expression expected as body for accessor");
}
var optionInstance = new PredicateRouteOptions();
options?.Invoke(optionInstance);
var result = new PredicateRoutes <TResult>();
var routeSubset = new PredicateRouteSubset(route,
typeof(TResult),
optionInstance,
memberAccessExpression,
result);
Routes.Add(route, routeSubset);
return(result);
}
/// <summary>
/// Initializes a new instance of the <see cref="T:System.Object" /> class.
/// </summary>
public PredicateRouteSubset(Route route,
Type type,
PredicateRouteOptions options,
MemberExpression accessor,
IPredicateRoutesProvider routes)
: base(route, type, options, accessor)
{
Routes = routes;
}
/// <summary>
/// Initializes a new instance of the <see cref="T:System.Object" /> class.
/// </summary>
public PredicateRoute(Route route, Type type, PredicateRouteOptions options, MemberExpression accessor)
{
if (route == null)
{
throw new ArgumentNullException(nameof(route));
}
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
if (options == null)
{
throw new ArgumentNullException(nameof(options));
}
if (accessor == null)
{
throw new ArgumentNullException(nameof(accessor));
}
Options = options;
Accessor = accessor;
Route = route;
Type = type;
}
