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42 lines
757 B
Go
42 lines
757 B
Go
package util
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type Event struct {
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eventName string
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payload interface {}
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}
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func NewEvent(eventName string, payload interface{}) *Event{
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return &Event{
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eventName,
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payload,
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}
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}
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func (e *Event) EventName() string {
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return e.eventName
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}
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func (e *Event) Payload() interface{} {
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return e.payload
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}
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type EventHandler func(payload interface{})
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type EventBus struct {
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handlers map[string][]EventHandler
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}
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func NewEventBus() *EventBus{
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return &EventBus{ make(map[string][]EventHandler) }
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}
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func (eb *EventBus) Register(eventName string, handler EventHandler) {
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eb.handlers[eventName] = append(eb.handlers[eventName], handler)
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}
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func (eb *EventBus) Handle(e Event){
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for _, handler := range eb.handlers[e.EventName()] {
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handler(e.Payload())
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}
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}
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