private Expression GetObjectAtIndex(int index, ResultsHandle rh, string methodName)
{
try
{
var val = rh.GetValueAtIndex(index, _realm);
return(Expression.Constant(val.AsRealmObject()));
}
catch (ArgumentOutOfRangeException ex)
{
if (methodName.EndsWith("OrDefault", StringComparison.OrdinalIgnoreCase))
{
// For First/Last/Single/ElemetAtOrDefault - ignore
return(Expression.Constant(null));
}
if (methodName == nameof(Queryable.ElementAt))
{
// ElementAt should rethrow the ArgumentOutOfRangeException.
throw;
}
// All the rest should throw an InvalidOperationException.
throw new InvalidOperationException("Sequence contains no matching element", ex);
}
}
protected override T GetValueAtIndex(int index) => ResultsHandle.GetValueAtIndex(index, Realm).As <T>();