DrupalKernelInterface.php

<?php

namespace Drupal\Core;

use Symfony\Component\DependencyInjection\ContainerInterface;
use Symfony\Component\HttpKernel\HttpKernelInterface;
use Symfony\Component\HttpFoundation\Request;

/**
 * The interface for DrupalKernel, the core of Drupal.
 *
 * This interface extends Symfony's KernelInterface and adds methods for
 * responding to modules being enabled or disabled during its lifetime.
 */
interface DrupalKernelInterface extends HttpKernelInterface {
    
    /**
     * Event fired when the service container finished initializing in subrequest.
     *
     * This event allows you to initialize overrides such as language to the
     * services.
     *
     * @var string
     */
    const CONTAINER_INITIALIZE_SUBREQUEST_FINISHED = 'kernel.container.finish_container_initialize_subrequest';
    
    /**
     * Boots the current kernel.
     *
     * @return $this
     */
    public function boot();
    
    /**
     * Shuts down the kernel.
     */
    public function shutdown();
    
    /**
     * Discovers available serviceProviders.
     *
     * @return array
     *   The available serviceProviders.
     */
    public function discoverServiceProviders();
    
    /**
     * Returns all registered service providers.
     *
     * @param string $origin
     *   The origin for which to return service providers; one of 'app' or 'site'.
     *
     * @return array
     *   An associative array of ServiceProvider objects, keyed by name.
     */
    public function getServiceProviders($origin);
    
    /**
     * Gets the current container.
     *
     * @return \Symfony\Component\DependencyInjection\ContainerInterface
     *   A ContainerInterface instance.
     */
    public function getContainer();
    
    /**
     * Returns the cached container definition - if any.
     *
     * This also allows inspecting a built container for debugging purposes.
     *
     * @return array|null
     *   The cached container definition or NULL if not found in cache.
     */
    public function getCachedContainerDefinition();
    
    /**
     * Set the current site path directory.
     *
     * Format: "folder-name/child-folder" usually uses "sites/default".
     *
     * @param string $path
     *   The current site path.
     *
     * @throws \LogicException
     *   In case the kernel is already booted.
     */
    public function setSitePath($path);
    
    /**
     * Gets the site path directory.
     *
     * @return string
     *   The current site path directory.
     */
    public function getSitePath();
    
    /**
     * Gets the app root.
     *
     * @return string
     */
    public function getAppRoot();
    
    /**
     * Updates the kernel's list of modules to the new list.
     *
     * The kernel needs to update its bundle list and container to match the new
     * list.
     *
     * @param array $module_list
     *   The new list of modules.
     * @param array $module_filenames
     *   List of module filenames, keyed by module name.
     */
    public function updateModules(array $module_list, array $module_filenames = []);
    
    /**
     * Force a container rebuild.
     *
     * @return \Symfony\Component\DependencyInjection\ContainerInterface
     */
    public function rebuildContainer();
    
    /**
     * Force a container reset.
     *
     * @return \Symfony\Component\DependencyInjection\ContainerInterface
     */
    public function resetContainer() : ContainerInterface;
    
    /**
     * Invalidate the service container for the next request.
     */
    public function invalidateContainer();
    
    /**
     * Helper method that does request related initialization.
     *
     * @param \Symfony\Component\HttpFoundation\Request $request
     *   The current request.
     */
    public function preHandle(Request $request);
    
    /**
     * Helper method that loads legacy Drupal include files.
     */
    public function loadLegacyIncludes();

}