Upgrade server dependencies, manage them with govendor

vendor/github.com/blevesearch/bleve/search/searcher/search_term.go

@@ -0,0 +1,122 @@
+//  Copyright (c) 2014 Couchbase, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// 		http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package searcher
+
+import (
+	"github.com/blevesearch/bleve/index"
+	"github.com/blevesearch/bleve/search"
+	"github.com/blevesearch/bleve/search/scorer"
+)
+
+type TermSearcher struct {
+	indexReader index.IndexReader
+	reader      index.TermFieldReader
+	scorer      *scorer.TermQueryScorer
+	tfd         index.TermFieldDoc
+}
+
+func NewTermSearcher(indexReader index.IndexReader, term string, field string, boost float64, options search.SearcherOptions) (*TermSearcher, error) {
+	reader, err := indexReader.TermFieldReader([]byte(term), field, true, true, options.IncludeTermVectors)
+	if err != nil {
+		return nil, err
+	}
+	count, err := indexReader.DocCount()
+	if err != nil {
+		_ = reader.Close()
+		return nil, err
+	}
+	scorer := scorer.NewTermQueryScorer([]byte(term), field, boost, count, reader.Count(), options)
+	return &TermSearcher{
+		indexReader: indexReader,
+		reader:      reader,
+		scorer:      scorer,
+	}, nil
+}
+
+func NewTermSearcherBytes(indexReader index.IndexReader, term []byte, field string, boost float64, options search.SearcherOptions) (*TermSearcher, error) {
+	reader, err := indexReader.TermFieldReader(term, field, true, true, options.IncludeTermVectors)
+	if err != nil {
+		return nil, err
+	}
+	count, err := indexReader.DocCount()
+	if err != nil {
+		_ = reader.Close()
+		return nil, err
+	}
+	scorer := scorer.NewTermQueryScorer(term, field, boost, count, reader.Count(), options)
+	return &TermSearcher{
+		indexReader: indexReader,
+		reader:      reader,
+		scorer:      scorer,
+	}, nil
+}
+
+func (s *TermSearcher) Count() uint64 {
+	return s.reader.Count()
+}
+
+func (s *TermSearcher) Weight() float64 {
+	return s.scorer.Weight()
+}
+
+func (s *TermSearcher) SetQueryNorm(qnorm float64) {
+	s.scorer.SetQueryNorm(qnorm)
+}
+
+func (s *TermSearcher) Next(ctx *search.SearchContext) (*search.DocumentMatch, error) {
+	termMatch, err := s.reader.Next(s.tfd.Reset())
+	if err != nil {
+		return nil, err
+	}
+
+	if termMatch == nil {
+		return nil, nil
+	}
+
+	// score match
+	docMatch := s.scorer.Score(ctx, termMatch)
+	// return doc match
+	return docMatch, nil
+
+}
+
+func (s *TermSearcher) Advance(ctx *search.SearchContext, ID index.IndexInternalID) (*search.DocumentMatch, error) {
+	termMatch, err := s.reader.Advance(ID, s.tfd.Reset())
+	if err != nil {
+		return nil, err
+	}
+
+	if termMatch == nil {
+		return nil, nil
+	}
+
+	// score match
+	docMatch := s.scorer.Score(ctx, termMatch)
+
+	// return doc match
+	return docMatch, nil
+}
+
+func (s *TermSearcher) Close() error {
+	return s.reader.Close()
+}
+
+func (s *TermSearcher) Min() int {
+	return 0
+}
+
+func (s *TermSearcher) DocumentMatchPoolSize() int {
+	return 1
+}