CacheAwareInterface.php

<?php

namespace Application\Cache;

use Zend\Cache\Storage\StorageInterface as Storage;

interface CacheAwareInterface
{
  public function setCache(Storage $cache);
}

CacheInitializer.php

<?php

namespace Application\Service;

use Application\Cache\CacheAwareInterface;
use Zend\ServiceManager\ServiceLocatorInterface;
use Zend\ServiceManager\InitializerInterface;

class CacheInitializer implements InitializerInterface
{
  public function initialize($instance, ServiceLocatorInterface $serviceLocator)
  {
    if ($instance instanceof CacheAwareInterface) {
      $instance->setCache($serviceLocator->get('cache');
    }
  }
}

Module.php

<?php

namespace Application;

use Zend\ModuleManager\Feature\ServiceProviderInterface;
use Zend\ModuleManager\Feature\ControllerProviderInterface;

class Module implements ServiceProviderInterface, ControllerProviderInterface
{
  public function getServiceConfig()
  {
    return array(
      'initializers' => array(
        'cache_init' => 'Application\Service\CacheInitializer'
      ),
      'factories' => array(
        'cache' => 'Zend\Cache\Service\StorageCacheFactory', // Add a key 'cache' to your config. See https://github.com/zendframework/zf2/blob/master/library/Zend/Cache/Service/StorageCacheFactory.php
        'Application\Form\Thread' => function($sm) {
          $form = new Form\Thread('thread');
          $form->setInputFilter(new Form\ThreadFilter());
          return $form;
        },
        'Application\Service\MessageBoard' => function($sm) {
          // Hard dependencies
          return new Service\MessageBoard(
            $sm->get('cache'),
            $sm->get('Application\Form\Thread')
          );
        }
      )
    );
  }
  
  public function getControllerConfig()
  {
    return array(
      'factories' => array(
        'Application\Controller\ThreadController' => function($controllers) {
          $sl = $controllers->getServiceLocator();
          
          $controller = new Controller\ThreadController();
          $controller->setThreadForm($sl->get('Application\Form\Thread'));
          $controller->setCache($sl->get('cache'));
          
          return $controller;
        }
      ),
      'initializers' => array(
        'cache_init' => 'Application\Service\CacheInitializer'
      ),
    );
  }
}