public static IEnumerable <TClassType> QueryObjects <TClassType>(this IObjectSpace objectSpace, Expression <Func <TClassType, bool> > expression, PersistentCriteriaEvaluationBehavior behavior = PersistentCriteriaEvaluationBehavior.InTransaction)
{
var objectType = objectSpace.TypesInfo.FindBussinessObjectType <TClassType>();
var criteriaOperator = objectSpace.GetCriteriaOperator(expression);
return(objectSpace.GetObjects(objectType, criteriaOperator, behavior == PersistentCriteriaEvaluationBehavior.InTransaction).Cast <TClassType>());
}