private BOCHit Scan(long keyId, SortedList <long, byte> query)
{
BOCHit hit = null;
var indexReader = CreateDocumentIndexReader(keyId);
if (indexReader != null)
{
return(indexReader.ClosestMatch(query));
}
return(hit);
}
private void Map(Query query)
{
this.Log("before map: " + query.ToDiagram());
var clauses = query.ToList();
foreach (var q in clauses)
{
var cursor = q;
while (cursor != null)
{
BOCHit hit = null;
var indexReader = cursor.Term.KeyId.HasValue ?
CreateIndexReader(cursor.Term.KeyId.Value) :
CreateIndexReader(cursor.Term.KeyHash);
if (indexReader != null)
{
var termVector = cursor.Term.ToCharVector();
hit = indexReader.ClosestMatch(termVector);
}
if (hit != null)
{
cursor.Score = hit.Score;
foreach (var offs in hit.PostingsOffsets)
{
if (offs < 0)
{
throw new DataMisalignedException();
}
cursor.PostingsOffsets.Add(offs);
}
}
cursor = cursor.Then;
}
}
this.Log("after map: " + query.ToDiagram());
}
