Adding upstream version 2.5.1.

Signed-off-by: Daniel Baumann <daniel@debian.org>

search/query/docid.go

@@ -0,0 +1,51 @@
+//  Copyright (c) 2015 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 query
+
+import (
+	"context"
+
+	"github.com/blevesearch/bleve/v2/mapping"
+	"github.com/blevesearch/bleve/v2/search"
+	"github.com/blevesearch/bleve/v2/search/searcher"
+	index "github.com/blevesearch/bleve_index_api"
+)
+
+type DocIDQuery struct {
+	IDs      []string `json:"ids"`
+	BoostVal *Boost   `json:"boost,omitempty"`
+}
+
+// NewDocIDQuery creates a new Query object returning indexed documents among
+// the specified set. Combine it with ConjunctionQuery to restrict the scope of
+// other queries output.
+func NewDocIDQuery(ids []string) *DocIDQuery {
+	return &DocIDQuery{
+		IDs: ids,
+	}
+}
+
+func (q *DocIDQuery) SetBoost(b float64) {
+	boost := Boost(b)
+	q.BoostVal = &boost
+}
+
+func (q *DocIDQuery) Boost() float64 {
+	return q.BoostVal.Value()
+}
+
+func (q *DocIDQuery) Searcher(ctx context.Context, i index.IndexReader, m mapping.IndexMapping, options search.SearcherOptions) (search.Searcher, error) {
+	return searcher.NewDocIDSearcher(ctx, i, q.IDs, q.BoostVal.Value(), options)
+}