<?php

namespace App\Providers;

use App\Option;
use Illuminate\Support\ServiceProvider;

/**
 * 初始化所有singleton class 的 instance
 *
 * Class SingletonServiceProvider
 * @package App\Providers
 */
class SingletonServiceProvider extends ServiceProvider
{
    /**
     * Register services.
     *
     * @return void
     */
    public function register()
    {
        // Services
        $this->app->alias(\App\Services\SiteStateService::class, 'SiteState');
        $this->app->singleton(\App\Services\SiteStateService::class, function($app){
            return new \App\Services\SiteStateService;
        });
    }

    /**
     * Bootstrap services.
     *
     * @return void
     */
    public function boot()
    {
        //
    }
}