eventbus.go RawHistoryFolder

1package out
2
3import (
4	"gordon/internal/domain"
5)
6
7// EventHandler defines the contract for handling events.
8type EventHandler interface {
9	Handle(event domain.Event) error
10	CanHandle(eventType domain.EventType) bool
11}
12
13// EventPublisher defines the contract for publishing events.
14type EventPublisher interface {
15	Publish(eventType domain.EventType, payload any) error
16}
17
18// EventSubscriber defines the contract for subscribing to events.
19type EventSubscriber interface {
20	Subscribe(handler EventHandler) error
21	Unsubscribe(handler EventHandler) error
22}
23
24// EventBus combines publishing and subscribing capabilities with lifecycle management.
25type EventBus interface {
26	EventPublisher
27	EventSubscriber
28	Start() error
29	Stop() error
30}