cmmand

README.md

@@ -1,7 +1,12 @@
 # design-patterns-in-python
 https://github.com/Sean-Bradley/Design-Patterns-In-Python/tree/master
 
+# design-patterns-in-go
+https://github.com/mohuishou/go-design-pattern/tree/master
+
 # 其他参考
+
+## python
 - https://github.com/faif/python-patterns/tree/master
 - https://github.com/RefactoringGuru/design-patterns-python/tree/main/src
 - https://github.com/gennad/Design-Patterns-in-Python/tree/master
@@ -11,3 +16,9 @@ https://github.com/Sean-Bradley/Design-Patterns-In-Python/tree/master
 - https://github.com/PacktPublishing/Mastering-Python-Design-Patterns-Second-Edition/tree/master
 - https://github.com/Sean-Bradley/Design-Patterns-In-Python
 - https://github.com/Sean-Bradley/Design-Patterns-In-Python/tree/master
+
+## go
+- https://github.com/tmrts/go-patterns/tree/master
+- https://github.com/ruanrunxue/Practice-Design-Pattern--Go-Implementation/tree/main
+
+

command/go/case1/command.go

@@ -0,0 +1,29 @@
+package case1
+
+import "fmt"
+
+type ICommand interface {
+	execute() error
+}
+
+type TurnOnCommand struct{}
+
+func NewTurnOnCommand() *TurnOnCommand {
+	return &TurnOnCommand{}
+}
+
+func (t *TurnOnCommand) execute() error {
+	fmt.Println("command: turn on")
+	return nil
+}
+
+type TurnOffCommand struct{}
+
+func NewTurnOffCommand() *TurnOffCommand {
+	return &TurnOffCommand{}
+}
+
+func (t *TurnOffCommand) execute() error {
+	fmt.Println("command: turn off")
+	return nil
+}

command/go/case1/command_test.go

@@ -0,0 +1,59 @@
+package case1
+
+import (
+	"fmt"
+	"testing"
+	"time"
+)
+
+func TextCommandDemo(t *testing.T) {
+	eventChan := make(chan string)
+	defer close(eventChan)
+
+	// 用于测试，模拟来自客户端的事件
+	go func() {
+		events := []string{"turnOn", "turnOff", "turnOn"}
+		for _, e := range events {
+			eventChan <- e
+		}
+	}()
+
+	// 使用命令队列缓存命令
+	commands := make(chan ICommand, 1000)
+	defer close(commands)
+
+	go func() {
+		for {
+			event, ok := <-eventChan
+
+			if !ok {
+				return
+			}
+
+			var command ICommand
+			switch event {
+			case "turnOn":
+				command = NewTurnOnCommand()
+			case "turnOff":
+				command = NewTurnOffCommand()
+			}
+
+			commands <- command
+		}
+	}()
+
+	for {
+		select {
+		case c := <-commands:
+			ok := c.execute()
+			if ok != nil {
+				print("executing error")
+			}
+		case <-time.After(2 * time.Second):
+			fmt.Println("timeout 2s")
+			return
+
+		}
+	}
+
+}