public AndQueryEnumerator(List <IQueryExecutor> executors)
{
foreach (var executor in executors)
{
Enumerators.Add(executor.GetEnumerator());
}
Enumerators.Sort(delegate(IDocIdSetEnumerator p1, IDocIdSetEnumerator p2)
{
return(p1.Cost.CompareTo(p2.Cost));
});
Lead = Enumerators[0];
}