private void OrderByDescending <TRecord, TKey>(Expression <Func <TRecord, TKey> > keySelector) where TRecord : ContentPartRecord
{
// build a linq to nhibernate expression
var options = new QueryOptions();
var queryProvider = new NHibernateQueryProvider(BindSession(), options);
var queryable = new Query <TRecord>(queryProvider, options).OrderByDescending(keySelector);
// translate it into the nhibernate ICriteria implementation
var criteria = (CriteriaImpl)queryProvider.TranslateExpression(queryable.Expression);
// attaching orderings to the query's criteria
var recordCriteria = BindPartCriteria <TRecord>();
foreach (var ordering in criteria.IterateOrderings())
{
recordCriteria.AddOrder(ordering.Order);
}
}
private void Where <TRecord>(Expression <Func <TRecord, bool> > predicate, ICriteria bindCriteria)
{
// build a linq to nhibernate expression
var options = new QueryOptions();
var queryProvider = new NHibernateQueryProvider(BindSession(), options);
var queryable = new Query <TRecord>(queryProvider, options).Where(predicate);
// translate it into the nhibernate ICriteria implementation
var criteria = (CriteriaImpl)queryProvider.TranslateExpression(queryable.Expression);
// attach the criterion from the predicate to this query's criteria for the record
var recordCriteria = bindCriteria;
foreach (var expressionEntry in criteria.IterateExpressionEntries())
{
recordCriteria.Add(expressionEntry.Criterion);
}
}
