public override EntitySet Load(Evaluant.NLinq.NLinqQuery query, string[] attributes, string orderby, int first, int max)
{
if (first <= 0)
throw new ArgumentException("first must be greater than 0");
if (max < 0)
throw new ArgumentException("max must be none negative");
XPathTransformer transformer = new XPathTransformer(Factory.Model);
string xpath = transformer.ConvertToXPath(query);
EntitySet result = LoadWithXPath(xpath);
LoadAttribute(result, attributes);
// sort
if (orderby != null)
result.Sort(orderby.Split(','));
// page
EntitySet pageResult = new EntitySet();
Utils.TruncateList(result, pageResult, first, max);
return pageResult;
}
public override object LoadScalar(Evaluant.OPath.OPathQuery query)
{
XPathTransformer transformer = new XPathTransformer(false, this.Model);
string xpath = transformer.ConvertToXPath(query);
object result = null;
result = _Document.CreateNavigator().Evaluate(xpath);
// Ensure the result in an Int32 in cas of a count()
if (query.Expression.Operands[0] is OPath.Expressions.Function)
result = Convert.ToInt32(result);
return result;
}
