// 运行
// [command]
// mq_addr=127.0.0.1:5001
// mq_queue_name=command_queue
// concurrent_num=2
func (self *CommandProcessor) Run() {
// mq_addr := config.Get("command", "mq_addr")
// mq_queue_name := config.Get("command", "mq_queue_name")
concurrent_num := config.GetInt("command", "concurrent_num")
if concurrent_num <= 0 {
concurrent_num = 1
}
defer self.adapter.Close()
self.adapter.ReceiveCommand(func(commandStream chan Command, wg *sync.WaitGroup) {
locker := make(chan bool, 4)
defer close(locker)
for command := range commandStream {
if command == nil {
continue
}
cmdChan := make(chan Command)
defer close(cmdChan)
go func(cmdChan chan Command, locker chan bool) {
command := <-cmdChan
self.executeCommand(command, uuid.New())
<-locker
wg.Done()
}(cmdChan, locker)
cmdChan <- command
locker <- true
}
})
// if err := self.mqProvider.Dial(mq_addr); err == nil {
// defer self.mqProvider.Close()
// if subscri, err := self.mqProvider.Subscribe(mq_queue_name); err == nil {
// subscri.Receive(func(messageStream chan mq.Message, wg *sync.WaitGroup) {
// locker := make(chan bool, 4)
// defer close(locker)
// for message := range messageStream {
// if message == nil || message.GetBody() == nil {
// continue
// }
// msgchan := make(chan mq.Message)
// defer close(msgchan)
// go func(msgchan chan mq.Message, locker chan bool) {
// msg := <-msgchan
// if command, ok := util.FromPtrValueOf(msg.GetBody()).Interface().(Command); ok {
// self.executeCommand(command, msg.GetId())
// }
// <-locker
// wg.Done()
// }(msgchan, locker)
// msgchan <- message
// locker <- true
// }
// })
// }
// }
suspend := make(chan bool)
<-suspend
}
// 新建支持Saga的领域事件
func NewSagaSupportedEvent() BaseEvent {
return BaseEvent{ProcId: uuid.New()}
}