Example #1
0
func (sv *FrontServer) initActors() error {
	config := sv.config
	//initialize actor system
	if err := yue.Init(&yue.Config{
		DatabaseAddress: config.DBHost,
		CertPath:        config.DBCertPath,
		HostAddress:     config.NodeIpv4Address,
	}); err != nil {
		return err
	}
	yue.Register("/hello", yue.ActorConfig{
		SpawnConfig: yue.SpawnConfig{
			Factory: yue.InmemoryExecuterFactory{
				Constructor: actors.NewHelloActor,
			},
		},
		Size: 1,
	}, "channer")
	go func() {
		var r string
		if err := yue.Call("/hello", "Hello", "actor-caller", &r); err != nil {
			log.Fatalf("err should not happen: %v %v", err)
		} else if r != "hello, actor-caller! from channer" {
			log.Fatalf("unexpected response: %v", r)
		}
	}()
	return nil
}
Example #2
0
func ListTopic(dbif Dbif, req *proto.TopicListRequest) ([]*proto.Model_Topic, error) {
	var limit int32
	if req.Limit > 0 {
		limit = req.Limit
		if limit > TOPIC_FETCH_LIMIT {
			limit = TOPIC_FETCH_LIMIT
		}
	} else {
		limit = TOPIC_FETCH_LIMIT
	}
	locale := req.Locale
	if len(locale) <= 0 {
		locale = "all"
	}
	var entries []HotEntry
	if err := yue.Call(fmt.Sprintf("/hot/%s", locale), "Query",
		req.Bucket, req.Query, nil, req.OffsetScore, req.OffsetId, limit, &entries); err != nil {
		return nil, err
	}
	if len(entries) <= 0 {
		return make([]*proto.Model_Topic, 0), nil
	}
	ids := make([]string, len(entries))
	for i, ent := range entries {
		ids[i] = strconv.FormatUint(uint64(ent.Id), 10)
	}
	tps, err := dbif.Select(Topic{}, dbm.Stmt(`select * from %s.topics where id in (%s)`, strings.Join(ids, ",")))
	if err != nil {
		return nil, err
	}
	ret := make([]*proto.Model_Topic, len(tps))
	for i, tp := range tps {
		tpp := tp.(*Topic).Model_Topic
		tpp.Point = entries[i].Score
		tpp.Vote = entries[i].Vote
		ret[i] = &tpp
	}
	return ret, nil
}