Files
bl/common/utils/event/test_scenarios/request-reply-callback/orders/service.go
昔念 cd7583ba05 test(utils): 添加事件驱动模型测试
- 在 sqrt_test.go 中添加了 fastSqr1 测试函数,用于测试事件驱动模型
- 新增了 Event 和 Uint32AsyncEvent 类型用于测试
- 更新了 go.work、go.mod 和
2025-08-05 16:10:18 +08:00

36 lines
1.1 KiB
Go

package orders
import (
"context"
"fmt"
"strings"
"github.com/badu/bus"
"github.com/badu/bus/test_scenarios/request-reply-callback/events"
)
type ServiceImpl struct {
sb *strings.Builder
}
func NewService(sb *strings.Builder) ServiceImpl {
result := ServiceImpl{sb: sb}
return result
}
func (s *ServiceImpl) RegisterOrder(ctx context.Context, productIDs []int) (*Order, error) {
event := events.NewRequestEvent[Order](Order{ProductIDs: productIDs})
s.sb.WriteString(fmt.Sprintf("dispatching event typed %T\n", event))
bus.Pub(event)
<-event.Done // wait for "reply"
return event.Callback() // return the callback, which is containing the actual result
}
func (s *ServiceImpl) GetOrderStatus(ctx context.Context, orderID int) (*OrderStatus, error) {
event := events.NewRequestEvent[OrderStatus](OrderStatus{OrderID: orderID})
s.sb.WriteString(fmt.Sprintf("dispatching event typed %T\n", event))
bus.Pub(event)
<-event.Done // wait for "reply"
return event.Callback() // return the callback, which is containing the actual result
}