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bleve/config.go

92 lines
2.3 KiB
Go

// 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 (
"expvar"
"io/ioutil"
"log"
"time"
"github.com/blevesearch/bleve/index"
"github.com/blevesearch/bleve/index/store/gtreap"
"github.com/blevesearch/bleve/index/upsidedown"
"github.com/blevesearch/bleve/registry"
"github.com/blevesearch/bleve/search/highlight/highlighter/html"
// force import of scorch so its accessible by default
_ "github.com/blevesearch/bleve/index/scorch"
)
var bleveExpVar = expvar.NewMap("bleve")
type configuration struct {
Cache *registry.Cache
DefaultHighlighter string
DefaultKVStore string
DefaultMemKVStore string
DefaultIndexType string
SlowSearchLogThreshold time.Duration
analysisQueue *index.AnalysisQueue
}
func (c *configuration) SetAnalysisQueueSize(n int) {
c.analysisQueue = index.NewAnalysisQueue(n)
}
func newConfiguration() *configuration {
return &configuration{
Cache: registry.NewCache(),
analysisQueue: index.NewAnalysisQueue(4),
}
}
// Config contains library level configuration
var Config *configuration
func init() {
bootStart := time.Now()
// build the default configuration
Config = newConfiguration()
// set the default highlighter
Config.DefaultHighlighter = html.Name
// default kv store
Config.DefaultKVStore = ""
// default mem only kv store
Config.DefaultMemKVStore = gtreap.Name
// default index
Config.DefaultIndexType = upsidedown.Name
bootDuration := time.Since(bootStart)
bleveExpVar.Add("bootDuration", int64(bootDuration))
indexStats = NewIndexStats()
bleveExpVar.Set("indexes", indexStats)
initDisk()
}
var logger = log.New(ioutil.Discard, "bleve", log.LstdFlags)
// SetLog sets the logger used for logging
// by default log messages are sent to ioutil.Discard
func SetLog(l *log.Logger) {
logger = l
}