package mq

import "time"

type Message struct {
	Id   string
	Body []byte
	Time int64
}

type Producer interface {
	Publish(topic string, msg []byte) error

	MultiPublish(topic string, msgs [][]byte) error

	DelayPublish(topic string, delay time.Duration, body []byte) error

	Stop()
}

type Consumer interface {
	// Subscribe 订阅
	// channel topic下多个相同channel只收到一次, 不同channel会各收到一次消息副本
	Subscribe(topic string, channel string, handler func(*Message) error) error

	// SubscribeBroadcast 订阅广播消息
	SubscribeBroadcast(topic string, handler func(*Message) error) error

	Stop()
}