func (this *StaticIndexer) parseDoc() {
// context
context := NewStyContext()
// 一直从chan中获取doc,直到这个chan被close
for doc := range this.parseDocChan {
var err error
// parse
parseRes := &docParsed{}
parseRes.outId, parseRes.termList, parseRes.value, parseRes.data,
err = this.strategy.ParseDoc(doc, context)
if err != nil {
log.Error(err)
parseRes = nil
}
// 打印策略日志
context.Log.PrintAllInfo()
// toWriteDbQueue是待写入db的队列.
// 阻塞等待队列有空余位置然后写入队列.
this.writeDbQueue <- parseRes
}
log.Info("Finish parseDoc , goroutine exit.")
}
func (this *StaticIndexer) writeDoc() {
for parseRes := range this.writeDbQueue {
if parseRes == nil {
log.Error("get nil pointer from queue")
this.finishedWg.Done()
continue
}
// id
inId, err := this.db.AllocID(parseRes.outId)
if err != nil {
log.Error(err)
this.finishedWg.Done()
continue
}
// index
err = this.db.WriteIndex(inId, parseRes.termList)
if err != nil {
log.Error(err)
this.finishedWg.Done()
continue
}
// value
err = this.db.WriteValue(inId, parseRes.value)
if err != nil {
log.Error(err)
this.finishedWg.Done()
continue
}
// data
err = this.db.WriteData(inId, parseRes.data)
if err != nil {
log.Error(err)
this.finishedWg.Done()
continue
}
this.finishedWg.Done()
}
log.Info("Finish writeDoc,goroutine exit.")
}