public static IList <DocumentScore> Reduce(this IList <QueryContext> query)
{
var first = query[0].Scores;
for (int i = 1; i < query.Count; i++)
{
var term = query[i];
var other = term.Scores;
if (term.Query.Or)
{
first = DocumentScore.CombineOr(first, other);
}
else if (term.Query.Not)
{
first = DocumentScore.Not(first, other);
}
else // And
{
first = DocumentScore.CombineAnd(first, other);
}
}
return(first);
}
public IEnumerable <DocumentScore> Reduce()
{
var first = Scored;
if (_queries != null)
{
foreach (var child in _queries)
{
var other = child.Reduce();
if (child.And)
{
first = DocumentScore.CombineAnd(first, other).ToList();
}
else if (child.Not)
{
first = DocumentScore.Not(first, other).ToList();
}
else // Or
{
first = DocumentScore.CombineOr(first, other).ToList();
}
}
}
return(first);
}
public IEnumerable <DocumentScore> Reduce()
{
var first = Scored.ToList();
foreach (var child in Children)
{
var other = child.Reduce().ToList();
if (child.And)
{
first = DocumentScore.CombineAnd(first, other).ToList();
}
else if (child.Not)
{
var dic = first.ToDictionary(x => x.DocumentId);
foreach (var posting in other)
{
DocumentScore exists;
if (dic.TryGetValue(posting.DocumentId, out exists))
{
first.Remove(exists);
}
}
}
else // Or
{
first = DocumentScore.CombineOr(first, other).ToList();
}
}
return(first);
}
