public ISearchBits GetBits()
{
var query = CreateQuery();
IndexSearcher searcher;
try {
searcher = new IndexSearcher(_directory, true);
}
catch {
// index might not exist if it has been rebuilt
Logger.Information("Attempt to read a none existing index");
return null;
}
try {
var filter = new QueryWrapperFilter(query);
var bits = filter.GetDocIdSet(searcher.GetIndexReader());
var disi = new OpenBitSetDISI(bits.Iterator(), searcher.MaxDoc());
return new SearchBits(disi);
}
finally {
searcher.Close();
}
}
protected OpenBitSetDISI CalculateOpenBitSetDisi(string facetAttributeFieldName, string value)
{
var facetQuery = new TermQuery(new Term(facetAttributeFieldName, value));
var facetQueryFilter = new QueryWrapperFilter(facetQuery);
return new OpenBitSetDISI(facetQueryFilter.GetDocIdSet(IndexReader).Iterator(), IndexReader.MaxDoc);
}