Create & Init Project...

app/service/main/videoup/dao/archive/dao.cache.go

@@ -0,0 +1,66 @@
+// Code generated by $GOPATH/src/go-common/app/tool/cache/gen. DO NOT EDIT.
+
+/*
+  Package archive is a generated cache proxy package.
+  It is generated from:
+  type _cache interface {
+		// cache: -singleflight=true -nullcache=[]*archive.Staff{{ID:-1}} -check_null_code=len($)==1&&$[0].ID==-1
+		StaffData(c context.Context, aid int64) ([]*archive.Staff, error)
+	}
+*/
+
+package archive
+
+import (
+	"context"
+
+	"go-common/app/service/main/videoup/model/archive"
+	"go-common/library/net/metadata"
+	"go-common/library/stat/prom"
+
+	"golang.org/x/sync/singleflight"
+)
+
+var _ _cache
+var cacheSingleFlights = [1]*singleflight.Group{{}}
+
+// StaffData get data from cache if miss will call source method, then add to cache.
+func (d *Dao) StaffData(c context.Context, id int64) (res []*archive.Staff, err error) {
+	addCache := true
+	res, err = d.CacheStaffData(c, id)
+	if err != nil {
+		addCache = false
+		err = nil
+	}
+	defer func() {
+		if len(res) == 1 && res[0].ID == -1 {
+			res = nil
+		}
+	}()
+	if len(res) != 0 {
+		prom.CacheHit.Incr("StaffData")
+		return
+	}
+	var rr interface{}
+	sf := d.cacheSFStaffData(id)
+	rr, err, _ = cacheSingleFlights[0].Do(sf, func() (r interface{}, e error) {
+		prom.CacheMiss.Incr("StaffData")
+		r, e = d.Staffs(c, id)
+		return
+	})
+	res = rr.([]*archive.Staff)
+	if err != nil {
+		return
+	}
+	miss := res
+	if len(miss) == 0 {
+		miss = []*archive.Staff{{ID: -1}}
+	}
+	if !addCache {
+		return
+	}
+	d.cache.Do(c, func(ctx context.Context) {
+		d.AddCacheStaffData(metadata.WithContext(c), id, miss)
+	})
+	return
+}