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Installation | ||
============ | ||
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This bundle provides a caching mechanism at application level. It's very similar to HTTP caching at reverse-proxy level, but execution | ||
cache is done later. This way, the request has already been checked by the security layer but we can running the controller twice if | ||
the result should be the same. | ||
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The cache storage will provide different result based on Request headers and body. If the exact same request is sent twice and the | ||
response is cached, the controller is not run and the response is sent. | ||
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Step 1: Install the AdapterBundle | ||
--------------------------------- | ||
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This bundle uses a PSR-6 cache implementation provided by https://github.com/php-cache/adapter-bundle. It can be Memcached, Redis, | ||
Filesystem, Void or even your own implementation. The choice is yours! | ||
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Please check their docs before installing this bundle. | ||
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Step 2: Install the Bundle | ||
-------------------------- | ||
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Open a command console, go to your project directory and execute the | ||
following command to download the latest stable version of this bundle: | ||
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```bash | ||
$ composer require stadline/execution-cache-bundle | ||
``` | ||
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This command requires you to have Composer installed globally, as explained | ||
in the [installation chapter](https://getcomposer.org/doc/00-intro.md) | ||
of the Composer documentation. | ||
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Step 3: Enable the Bundle | ||
------------------------- | ||
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Then, enable the bundle by adding the following line in the `app/AppKernel.php` | ||
file of your project: | ||
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```php | ||
<?php | ||
// app/AppKernel.php | ||
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// ... | ||
class AppKernel extends Kernel | ||
{ | ||
public function registerBundles() | ||
{ | ||
$bundles = array( | ||
// ... | ||
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new Stadline\ExecutionCacheBundle\StadlineExecutionCacheBundle(), | ||
); | ||
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// ... | ||
} | ||
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// ... | ||
} | ||
``` | ||
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Step 4: Add the ExecutionCache annotation | ||
----------------------------------------- | ||
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To enable the cache, you must add an annotation on the controller method you want to be cached. | ||
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```php | ||
<?php | ||
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namespace AcmeBundle\Controller; | ||
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use Symfony\Bundle\FrameworkBundle\Controller\Controller; | ||
use Symfony\Component\HttpFoundation\Request; | ||
use Stadline\ExecutionCacheBundle\Annotation\ExecutionCache; | ||
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class BrandController extends Controller | ||
{ | ||
/** | ||
* @ExecutionCache(lifetime=3600) | ||
*/ | ||
public function indexAction(Request $request) | ||
{ | ||
// do some heavy stuff | ||
} | ||
} | ||
``` | ||
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You can set a cache TTL if you want, but it's optional. | ||
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_That's all!_ | ||
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Configuration | ||
------------- | ||
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You can override the configuration easily | ||
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``` | ||
# Default configuration for extension with alias: "stadline_execution_cache" | ||
stadline_execution_cache: | ||
storage: | ||
prefix: exc_ | ||
default_ttl: 300 | ||
pool_adapter: cache | ||
``` | ||
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You can set the key prefix and the default TTL. | ||
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The pool_adapter can be any CachePool implementation, check http://www.php-cache.com/en/latest/symfony/adapter-bundle/#configuration | ||
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For example, if you defined a provider called ```my_filesystem``` you can use ```cache.provider.my_file_system``` (or just ```cache``` | ||
if it's the default provider) |