2019-04-22 02:59:20 +00:00

45 lines
1.1 KiB
Go

package dao
import (
"context"
"fmt"
"go-common/library/cache/redis"
)
const (
_keyVersionID = "abtest:versionid:%d"
)
// PingRedis check redis connection
func (d *Dao) PingRedis(c context.Context) (err error) {
conn := d.redis.Get(c)
defer conn.Close()
_, err = conn.Do("PING")
return
}
//RedisVersionID 获取redis中的分组版本
func (d *Dao) RedisVersionID(c context.Context, group int) (ver int64, err error) {
conn := d.redis.Get(c)
defer conn.Close()
ver, err = redis.Int64(conn.Do("GET", fmt.Sprintf(_keyVersionID, group)))
return
}
//SetnxRedisVersionID 使用v设置redis中的版本号
func (d *Dao) SetnxRedisVersionID(c context.Context, group int, v int64) (err error) {
conn := d.redis.Get(c)
defer conn.Close()
_, err = conn.Do("SETNX", fmt.Sprintf(_keyVersionID, group), v)
return
}
//UpdateRedisVersionID 使用v更新redis中的分组版本
func (d *Dao) UpdateRedisVersionID(c context.Context, group int, v int64) (err error) {
conn := d.redis.Get(c)
defer conn.Close()
_, err = conn.Do("SETEX", fmt.Sprintf(_keyVersionID, group), d.verifyExpire, v)
return
}