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<?xml version="1.0" ?> 
  
<container xmlns="http://symfony.com/schema/dic/services" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
    xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd"> 
  
    <services> 
        <service id="twig.extension.acme.demo" class="Acme\DemoBundle\Twig\Extension\DemoExtension" public="false"> 
          <!-- ... --> 
        </service> 
  
        <service id="acme.demo.listener" class="Acme\DemoBundle\ControllerListener"> 
          <!-- ... --> 
        </service> 
  
        <!-- Start of my_service definition --> 
        <service id="acme.demo.my_service" class="Acme\DemoBundle\Service\MyService"> 
            <argument type="service" id="doctrine" /> 
            <argument type="service" id="logger" /> 
            <tag name="monolog.logger" channel="my_service" /> 
        </service> 
        <!-- End of my_service definition --> 
  
</container>

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<?php 
  
namespace Acme\DemoBundle\Service; 
  
use Symfony\Bundle\DoctrineBundle\Registry; 
use Symfony\Component\HttpKernel\Log\LoggerInterface; 
  
class MyService 
{ 
  
   //default EntityManager 
   protected $em; 
   //Logger 
   protected $logger; 
  
   public function __construct(Registry $doctrine, LoggerInterface $logger) 
   { 
      $this->em = $doctrine->getEntityManager(); 
      $this->logger = $logger; 
   } 
  
   public function insertTime($message = 'Default message :)') 
   { 
      $time = new \DateTime; 
  
      $myRecord = new \Acme\DemoBundle\Entity\MyServiceTable(); 
      $myRecord->setMessage($message); 
      $myRecord->setCallTimer($time); 
  
      $this->em->persist($myRecord); 
      $this->em->flush(); 
  
      $this->logger->info('Insert one record in my_service_table  (' . $time->format('Y-m-d H:i:s') . ') !'); 
   } 
  
   public function getTimeSinceLastCall() 
   { 
      $calls = $this->em->getRepository('AcmeDemoBundle:MyServiceTable') 
         ->findBy(array (), array ('callTimer' => 'DESC'), 2); 
  
      if (count($calls) == 2) 
      { 
         $diff = $calls[0]->getCallTimer()->getTimestamp() - $calls[1]->getCallTimer()->getTimestamp(); 
      } 
      else 
      { 
         $diff = 'N/A'; 
      } 
  
      return $diff; 
   } 
  
}

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<?php 
  
namespace Acme\DemoBundle\Entity; 
  
use Doctrine\ORM\Mapping as ORM; 
  
/** 
 * Acme\DemoBundle\Entity\MyServiceTable 
 * 
 * @ORM\Table(name="my_service_table") 
 * @ORM\Entity 
 */ 
class MyServiceTable 
{ 
    /** 
     * @var integer $id 
     * 
     * @ORM\Column(name="id", type="integer", nullable=false) 
     * @ORM\Id 
     * @ORM\GeneratedValue(strategy="IDENTITY") 
     */ 
    private $id; 
  
    /** 
     * @var datetime $callTimer 
     * 
     * @ORM\Column(name="call_timer", type="datetime", nullable=false) 
     */ 
    private $callTimer; 
  
    /** 
     * @var string $message 
     * 
     * @ORM\Column(name="message", type="string", length=255, nullable=false) 
     */ 
    private $message; 
  
  
  
    /** 
     * Get id 
     * 
     * @return integer  
     */ 
    public function getId() 
    { 
        return $this->id; 
    } 
  
    /** 
     * Set callTimer 
     * 
     * @param datetime $callTimer 
     */ 
    public function setCallTimer($callTimer) 
    { 
        $this->callTimer = $callTimer; 
    } 
  
    /** 
     * Get callTimer 
     * 
     * @return datetime  
     */ 
    public function getCallTimer() 
    { 
        return $this->callTimer; 
    } 
  
    /** 
     * Set message 
     * 
     * @param string $message 
     */ 
    public function setMessage($message) 
    { 
        $this->message = $message; 
    } 
  
    /** 
     * Get message 
     * 
     * @return string  
     */ 
    public function getMessage() 
    { 
        return $this->message; 
    } 
}

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-- phpMyAdmin SQL Dump 
-- version 3.4.5deb1 
-- http://www.phpmyadmin.net 
-- 
-- Client: localhost 
-- Généré le : Mer 30 Novembre 2011 à 01:41 
-- Version du serveur: 5.1.58 
-- Version de PHP: 5.3.6-13ubuntu3.2 
 
SET SQL_MODE="NO_AUTO_VALUE_ON_ZERO"; 
SET time_zone = "+00:00"; 
 
 
/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */; 
/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */; 
/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */; 
/*!40101 SET NAMES utf8 */; 
 
-- 
-- Base de données: `sf2_bench` 
-- 
 
-- -------------------------------------------------------- 
 
-- 
-- Structure de la table `my_service_table` 
-- 
 
CREATE TABLE IF NOT EXISTS `my_service_table` ( 
  `id` int(11) NOT NULL AUTO_INCREMENT, 
  `call_timer` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP, 
  `message` varchar(255) NOT NULL, 
  PRIMARY KEY (`id`) 
) ENGINE=MyISAM  DEFAULT CHARSET=utf8 COMMENT='Table de test pour MyService' AUTO_INCREMENT=10 ; 
 
/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */; 
/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */; 
/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;

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<?php 
  
namespace Acme\DemoBundle\Controller; 
  
use Symfony\Bundle\FrameworkBundle\Controller\Controller; 
use Symfony\Component\HttpFoundation\RedirectResponse; 
use Acme\DemoBundle\Form\ContactType; 
  
// these import the "@Route" and "@Template" annotations 
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route; 
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Template; 
  
class DemoController extends Controller 
{ 
    /** 
     * @Route("/my_service", name="_demo_my_service") 
     * @Template() 
     */ 
    public function myServiceAction() 
    { 
       //Call the CallTimer insertion from MyService 
       $this->get('acme.demo.my_service')->insertTime('Call depuis le controlleur...'); 
       //Call the last 2 calls interval from MyService 
       $diff = $this->get('acme.demo.my_service')->getTimeSinceLastCall(); 
  
       //Send time interval to the view 
       return array('diff' => $diff); 
    }  
}

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{% extends "AcmeDemoBundle::layout.html.twig" %} 
  
{% block title "My Service" %} 
  
{% block content %} 
    <h1>My Service !</h1> 
  
    <div> 
       <span>Last Call was {{ diff }} seconds ago ... 
    </div> 
{% endblock %} 
  
{% set code = code(_self) %}

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        <!-- my_service definition --> 
        <service id="acme.demo.my_service" class="Acme\DemoBundle\Service\MyService"> 
            <argument type="service" id="doctrine" /> 
            <argument type="service" id="logger" /> 
            <tag name="monolog.logger" channel="my_service" /> 
        </service> 
        <!-- /MyService definition -->

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myControllerAction() 
{ 
    //Traitements qui modifient la session 
    // ... 
  
    //On libère la session d'entrée car on n'écrit pas dedans dans la suite du traitement ! 
    $session = $this->get('session'); 
    $session->save(); 
    session_write_close(); 
  
    //Traitements qui ne modifient plus la session 
    // ... 
  
    $this->return('...'); 
}