bilibili-backup/app/service/bbq/video/dao/dao.cache.go
2019-04-22 02:59:20 +00:00

75 lines
1.6 KiB
Go

// Code generated by $GOPATH/src/go-common/app/tool/cache/gen. DO NOT EDIT.
/*
Package dao is a generated cache proxy package.
It is generated from:
type _cache interface {
// cache: -batch_err=break -nullcache=&v1.VideoBase{Svid:-1} -check_null_code=$==nil||$.Svid==-1
VideoBase(c context.Context, svid []int64) (map[int64]*v1.VideoBase, error)
}
*/
package dao
import (
"context"
"go-common/app/service/bbq/video/api/grpc/v1"
"go-common/library/stat/prom"
)
var _ _cache
// VideoBase get data from cache if miss will call source method, then add to cache.
func (d *Dao) VideoBase(c context.Context, keys []int64) (res map[int64]*v1.VideoBase, err error) {
if len(keys) == 0 {
return
}
addCache := true
if res, err = d.CacheVideoBase(c, keys); err != nil {
addCache = false
res = nil
err = nil
}
var miss []int64
for _, key := range keys {
if (res == nil) || (res[key] == nil) {
miss = append(miss, key)
}
}
prom.CacheHit.Add("VideoBase", int64(len(keys)-len(miss)))
for k, v := range res {
if v == nil || v.Svid == -1 {
delete(res, k)
}
}
missLen := len(miss)
if missLen == 0 {
return
}
var missData map[int64]*v1.VideoBase
prom.CacheMiss.Add("VideoBase", int64(len(miss)))
missData, err = d.RawVideoBase(c, miss)
if res == nil {
res = make(map[int64]*v1.VideoBase, len(keys))
}
for k, v := range missData {
res[k] = v
}
if err != nil {
return
}
for _, key := range miss {
if res[key] == nil {
missData[key] = &v1.VideoBase{Svid: -1}
}
}
if !addCache {
return
}
d.cache.Do(c, func(c context.Context) {
d.AddCacheVideoBase(c, missData)
})
return
}