74 lines
1.4 KiB
Go
74 lines
1.4 KiB
Go
package dao
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import (
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"context"
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"go-common/app/service/bbq/recsys-recall/conf"
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xcache "go-common/app/service/bbq/recsys-recall/dao/cache"
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"go-common/library/cache/redis"
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)
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// Dao dao
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type Dao struct {
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c *conf.Config
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redis *redis.Pool
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bfredis *redis.Pool
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lcache *xcache.LocalCache
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}
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// New init mysql db
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func New(c *conf.Config) (dao *Dao) {
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dao = &Dao{
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c: c,
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redis: redis.NewPool(c.Redis),
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bfredis: redis.NewPool(c.BFRedis),
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lcache: xcache.NewLocalCache(c.LocalCache),
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}
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return
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}
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// GetInvertedIndex 获取倒排索引
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func (d *Dao) GetInvertedIndex(ctx context.Context, key string, force bool) (b []byte, err error) {
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if b = d.lcache.Get(key); b != nil && !force {
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return
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}
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conn := d.redis.Get(ctx)
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defer conn.Close()
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for retry := 0; retry < 3; retry++ {
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b, err = redis.Bytes(conn.Do("GET", key))
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if err == redis.ErrNil {
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b = make([]byte, 0)
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return
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}
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if b != nil {
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d.lcache.Set(key, b)
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return
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}
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}
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return
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}
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// SetInvertedIndex 更新倒排索引
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func (d *Dao) SetInvertedIndex(c context.Context, key string, value []byte) error {
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conn := d.redis.Get(c)
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defer conn.Close()
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_, err := conn.Do("SETEX", key, 86400, value)
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return err
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}
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// Close close the resource.
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func (d *Dao) Close() {
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d.redis.Close()
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}
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// Ping dao ping
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func (d *Dao) Ping(c context.Context) error {
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// TODO: if you need use mc,redis, please add
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return nil
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}
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