Same name and namespace in other branches
  1. 8.9.x core/lib/Drupal/Core/PageCache/ResponsePolicy/KillSwitch.php \Drupal\Core\PageCache\ResponsePolicy\KillSwitch
  2. 9 core/lib/Drupal/Core/PageCache/ResponsePolicy/KillSwitch.php \Drupal\Core\PageCache\ResponsePolicy\KillSwitch

A policy evaluating to static::DENY when the kill switch was triggered.

Hierarchy

  • class \Drupal\Core\PageCache\ResponsePolicy\KillSwitch implements \Drupal\Core\PageCache\ResponsePolicyInterface

Expanded class hierarchy of KillSwitch

1 file declares its use of KillSwitch
Messenger.php in core/lib/Drupal/Core/Messenger/Messenger.php
1 string reference to 'KillSwitch'
core.services.yml in core/core.services.yml
core/core.services.yml
1 service uses KillSwitch
page_cache_kill_switch in core/core.services.yml
Drupal\Core\PageCache\ResponsePolicy\KillSwitch

File

core/lib/Drupal/Core/PageCache/ResponsePolicy/KillSwitch.php, line 12

Namespace

Drupal\Core\PageCache\ResponsePolicy
View source 
class KillSwitch implements ResponsePolicyInterface {

  /**
   * A flag indicating whether the kill switch was triggered.
   *
   * @var bool
   */
  protected $kill = FALSE;

  /**
   * {@inheritdoc}
   */
  public function check(Response $response, Request $request) {
    if ($this->kill) {
      return static::DENY;
    }
  }

  /**
   * Deny any page caching on the current request.
   */
  public function trigger() {
    $this->kill = TRUE;
  }

}

Members

Namesort descending Modifiers Type Description Overrides
KillSwitch::$kill protected property A flag indicating whether the kill switch was triggered.
KillSwitch::check public function
KillSwitch::trigger public function Deny any page caching on the current request.