decorator_pattern.go

package main

import (
	"fmt"
	"bufio"
	"os"
	"math"
)

type ActorI interface {
	Send(data interface{})
	Receive(data interface{})
}

type Actor struct {
	Name string
	Mailbox chan interface{}
	ActorI
}

func (actor Actor) Receive(data interface{}){
	fmt.Println("Received:", data)
}
func (actor Actor) Send(data interface{}){
	actor.Mailbox <- data
}
func (actor Actor) Handle(){
	go func(){
		for {
			data, ok := <-actor.Mailbox

			if ok {
				actor.ActorI.Receive(data)
			} else {
				return
			}
		}
	}()
}

type MyActor struct {
	Actor
}

func (actor MyActor) Receive(data interface{}){
	switch data.(type) {
		case string: {
			fmt.Println("STRING: ",data)
		}
		default: {
			fmt.Println("\n\nI DONT KNOW...\n\n")
		}
	}
}

func NewActor(actori ActorI, name string) *Actor {

	actor := Actor {
		Name: name,
		ActorI: actori,
		Mailbox: make(chan interface{}, math.MaxInt8),
	}

	actor.Handle()

	return &actor
}

func main() {
	
	actor := NewActor(MyActor{}, "a")

	actor.Handle()

	actor.Send("Hi!")

	reader := bufio.NewReader(os.Stdin)
	reader.ReadLine()

}