Abstract class and interface in golang

override.go

package mxnet

import "fmt"

type ControllerInterface interface {
	// Returns the Controller name
	Method1() string

	// Returns the GroupVersionKind of the API
	Method2() string

}

// JobController abstracts other operators to manage the lifecycle of Jobs.
type AbstractJobController struct {
	Controller ControllerInterface
}

func (ajc *AbstractJobController) Reconcile() {
	// "main logic, need to call controllerInterface"

	fmt.Println("result: " + ajc.Controller.Method1() + "," + ajc.Controller.Method2())
}

func (ajc *AbstractJobController) Method1() string {
	return "method 1 from abstract controller"
}


// my requirement is in AbstractJobController. it can implements Method1.

/********************************************************************************/

type ConcreteController struct {
	AbstractJobController
}

// this is concrete controller path
func NewConcreteController() *ConcreteController{
	cc := &ConcreteController{}

	jc := AbstractJobController{
		Controller: cc,
	}

	cc.AbstractJobController = jc

	return cc
}

// User can choose to override this or not.
func (cc *ConcreteController) Method1() string {
	return "method 1 from concreate controller"
}


func (cc *ConcreteController) Method2() string {
	return "method 2 from concreate controller"
}

func main() {
	c := NewConcreteController()
	c.Reconcile()
}

very helpful! thanks