Implement service-based Resource (cache) validation

Author: mpdude

Config/EnvParametersResource.php

@@ -11,14 +11,14 @@
 
 namespace Symfony\Component\HttpKernel\Config;
 
-use Symfony\Component\Config\Resource\ResourceInterface;
+use Symfony\Component\Config\Resource\SelfCheckingResourceInterface;
 
 /**
  * EnvParametersResource represents resources stored in prefixed environment variables.
  *
  * @author Chris Wilkinson <chriswilkinson84@gmail.com>
  */
-class EnvParametersResource implements ResourceInterface, \Serializable
+class EnvParametersResource implements SelfCheckingResourceInterface, \Serializable
 {
  /**
  * @var string

composer.json

@@ -26,7 +26,7 @@
  "symfony/phpunit-bridge": "~2.7|~3.0.0",
  "symfony/browser-kit": "~2.3|~3.0.0",
  "symfony/class-loader": "~2.1|~3.0.0",
- "symfony/config": "~2.7",
+ "symfony/config": "~2.8",
  "symfony/console": "~2.3|~3.0.0",
  "symfony/css-selector": "~2.0,>=2.0.5|~3.0.0",
  "symfony/dependency-injection": "~2.8|~3.0.0",