Prototype of module initialization listener system

gistfile1.aw

<?php
interface Installable
{
    public function install();
}
interface Upgradable
{
    public function upgrade();
}
interface ConfigProvider
{
    public function getConfig();
}
interface AutoloaderProvider
{
    public function initAutoloader();
}

namespace FooBlog
{
    class Module implements \Installable, \Upgradable, \ConfigProvider, \AutoloaderProvider
    {
        public function install()
        {
        }

        public function upgrade()
        {
        }

        public function getConfig()
        {
        }

        public function initAutoloader()
        {
        }
    }
}

namespace Zend\Module\Listener
{
    class AutoloadTrigger
    {
        public function __invoke($e)
        {
            $module = $e->getModule();
            if (!$module instanceof \AutoloaderProvider) {
                return;
            }
            $module->initAutoloader();
        }
    }
}

$manager    = new Zend\Module\Manager($modules);
$autoloader = new Zend\Module\Listener\AutoloadTrigger();
$config     = new Zend\Module\Listener\ConfigListener();
$installer  = new Zend\Module\Listener\InstallerListener();
$upgrader   = new Zend\Module\Listener\UpgraderListener();
$manager->events()->attach('loadModule', $autoloader);
$manager->events()->attach('loadModule', $config);
$manager->events()->attach('loadModule', $installer);
$manager->events()->attach('loadModule', $upgrader);

$bootstrap = new Bootstrap($config->getMergedConfig());
$app       = new Application();
$bootstrap->bootstrap($app);
$app->run()->send();