Search bar for issues/pulls (#530)

vendor/github.com/blevesearch/bleve/index_stats.go

@@ -0,0 +1,75 @@
+//  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 bleve
+
+import (
+	"encoding/json"
+	"sync"
+	"sync/atomic"
+)
+
+type IndexStat struct {
+	searches   uint64
+	searchTime uint64
+	i          *indexImpl
+}
+
+func (is *IndexStat) statsMap() map[string]interface{} {
+	m := map[string]interface{}{}
+	m["index"] = is.i.i.StatsMap()
+	m["searches"] = atomic.LoadUint64(&is.searches)
+	m["search_time"] = atomic.LoadUint64(&is.searchTime)
+	return m
+}
+
+func (is *IndexStat) MarshalJSON() ([]byte, error) {
+	m := is.statsMap()
+	return json.Marshal(m)
+}
+
+type IndexStats struct {
+	indexes map[string]*IndexStat
+	mutex   sync.RWMutex
+}
+
+func NewIndexStats() *IndexStats {
+	return &IndexStats{
+		indexes: make(map[string]*IndexStat),
+	}
+}
+
+func (i *IndexStats) Register(index Index) {
+	i.mutex.Lock()
+	defer i.mutex.Unlock()
+	i.indexes[index.Name()] = index.Stats()
+}
+
+func (i *IndexStats) UnRegister(index Index) {
+	i.mutex.Lock()
+	defer i.mutex.Unlock()
+	delete(i.indexes, index.Name())
+}
+
+func (i *IndexStats) String() string {
+	i.mutex.RLock()
+	defer i.mutex.RUnlock()
+	bytes, err := json.Marshal(i.indexes)
+	if err != nil {
+		return "error marshaling stats"
+	}
+	return string(bytes)
+}
+
+var indexStats *IndexStats