67 lines
1.5 KiB
Go
67 lines
1.5 KiB
Go
// Code generated by $GOPATH/src/go-common/app/tool/cache/gen. DO NOT EDIT.
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/*
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Package archive is a generated cache proxy package.
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It is generated from:
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type _cache interface {
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// cache: -singleflight=true -nullcache=[]*archive.Staff{{ID:-1}} -check_null_code=len($)==1&&$[0].ID==-1
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StaffData(c context.Context, aid int64) ([]*archive.Staff, error)
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}
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*/
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package archive
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import (
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"context"
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"go-common/app/service/main/videoup/model/archive"
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"go-common/library/net/metadata"
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"go-common/library/stat/prom"
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"golang.org/x/sync/singleflight"
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)
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var _ _cache
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var cacheSingleFlights = [1]*singleflight.Group{{}}
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// StaffData get data from cache if miss will call source method, then add to cache.
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func (d *Dao) StaffData(c context.Context, id int64) (res []*archive.Staff, err error) {
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addCache := true
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res, err = d.CacheStaffData(c, id)
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if err != nil {
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addCache = false
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err = nil
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}
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defer func() {
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if len(res) == 1 && res[0].ID == -1 {
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res = nil
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}
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}()
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if len(res) != 0 {
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prom.CacheHit.Incr("StaffData")
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return
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}
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var rr interface{}
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sf := d.cacheSFStaffData(id)
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rr, err, _ = cacheSingleFlights[0].Do(sf, func() (r interface{}, e error) {
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prom.CacheMiss.Incr("StaffData")
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r, e = d.Staffs(c, id)
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return
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})
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res = rr.([]*archive.Staff)
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if err != nil {
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return
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}
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miss := res
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if len(miss) == 0 {
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miss = []*archive.Staff{{ID: -1}}
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}
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if !addCache {
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return
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}
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d.cache.Do(c, func(ctx context.Context) {
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d.AddCacheStaffData(metadata.WithContext(c), id, miss)
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})
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return
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}
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