func NewTermSearcher(indexReader index.IndexReader, term string, field string, boost float64, explain bool) (*TermSearcher, error) {
reader, err := indexReader.TermFieldReader([]byte(term), field)
if err != nil {
return nil, err
}
scorer := scorers.NewTermQueryScorer(term, field, boost, indexReader.DocCount(), reader.Count(), explain)
return &TermSearcher{
indexReader: indexReader,
term: term,
field: field,
explain: explain,
reader: reader,
scorer: scorer,
}, nil
}
func NewMatchAllSearcher(indexReader index.IndexReader, boost float64, explain bool) (*MatchAllSearcher, error) {
reader, err := indexReader.DocIDReaderAll()
if err != nil {
return nil, err
}
count, err := indexReader.DocCount()
if err != nil {
return nil, err
}
scorer := scorers.NewConstantScorer(1.0, boost, explain)
return &MatchAllSearcher{
indexReader: indexReader,
reader: reader,
scorer: scorer,
count: count,
}, nil
}