annotate vendor/symfony-cmf/routing/RouteProviderInterface.php @ 19:fa3358dc1485 tip

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<?php

/*
 * This file is part of the Symfony CMF package.
 *
 * (c) 2011-2015 Symfony CMF
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Cmf\Component\Routing;

use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\Routing\Exception\RouteNotFoundException;
use Symfony\Component\Routing\Route;
use Symfony\Component\Routing\RouteCollection;

/**
 * Interface for the route provider the DynamicRouter is using.
 *
 * Typically this could be a doctrine orm or odm repository, but you can
 * implement something else if you need to.
 */
interface RouteProviderInterface
{
    /**
     * Finds routes that may potentially match the request.
     *
     * This may return a mixed list of class instances, but all routes returned
     * must extend the core symfony route. The classes may also implement
     * RouteObjectInterface to link to a content document.
     *
     * This method may not throw an exception based on implementation specific
     * restrictions on the url. That case is considered a not found - returning
     * an empty array. Exceptions are only used to abort the whole request in
     * case something is seriously broken, like the storage backend being down.
     *
     * Note that implementations may not implement an optimal matching
     * algorithm, simply a reasonable first pass.  That allows for potentially
     * very large route sets to be filtered down to likely candidates, which
     * may then be filtered in memory more completely.
     *
     * @param Request $request A request against which to match.
     *
     * @return RouteCollection with all Routes that could potentially match
     *                         $request. Empty collection if nothing can match.
     */
    public function getRouteCollectionForRequest(Request $request);

    /**
     * Find the route using the provided route name.
     *
     * @param string $name The route name to fetch.
     *
     * @return Route
     *
     * @throws RouteNotFoundException If there is no route with that name in
     *                                this repository
     */
    public function getRouteByName($name);

    /**
     * Find many routes by their names using the provided list of names.
     *
     * Note that this method may not throw an exception if some of the routes
     * are not found or are not actually Route instances. It will just return the
     * list of those Route instances it found.
     *
     * This method exists in order to allow performance optimizations. The
     * simple implementation could be to just repeatedly call
     * $this->getRouteByName() while catching and ignoring eventual exceptions.
     *
     * If $names is null, this method SHOULD return a collection of all routes
     * known to this provider. If there are many routes to be expected, usage of
     * a lazy loading collection is recommended. A provider MAY only return a
     * subset of routes to e.g. support paging or other concepts, but be aware
     * that the DynamicRouter will only call this method once per
     * DynamicRouter::getRouteCollection() call.
     *
     * @param array|null $names The list of names to retrieve, In case of null,
     *                          the provider will determine what routes to return.
     *
     * @return Route[] Iterable list with the keys being the names from the
     *                 $names array.
     */
    public function getRoutesByNames($names);
}