cacheAside

cacheAside

Description

cacheAside is a generic cache-aside implementation

Example use:

package main

import (
	"fmt"
	
	"github.com/me-cs/cacheAside"
)

type UserInfo struct {
	Id   string
	Name string
}

func init() {
	cacheAside.Init(nil)
}

// your db fetch method

func DbUserInfo(id string) (*UserInfo, bool, error) {
	return &UserInfo{
		Id:   "1",
		Name: "tom",
	}, false, nil
}

// warp your dao fetch method

func DaoUserInfo(id string) (*UserInfo, error) {
	return cacheAside.Get(id, DbUserInfo)
}

// fetch user info in business code
func main() {
	u, err := DaoUserInfo("1")
	if err != nil {
		fmt.Println(err)
	}
	fmt.Printf("%+v\n", u)
}