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66 lines
1.5 KiB
66 lines
1.5 KiB
// 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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