1 <?php

     2 

     3 /*

     4  * This file is part of the Symfony package.

     5  *

     6  * (c) Fabien Potencier <fabien@symfony.com>

     7  *

     8  * For the full copyright and license information, please view the LICENSE

     9  * file that was distributed with this source code.

    10  */

    11 

    12 namespace Symfony\Component\HttpKernel\CacheWarmer;

    13 

    14 /**

    15  *

    16  * @author Fabien Potencier <fabien@symfony.com>

    17  */

    18 class CacheWarmerAggregate implements CacheWarmerInterface

    19 {

    20     protected $warmers;

    21     protected $optionalsEnabled;

    22 

    23     public function __construct(array $warmers = array())

    24     {

    25         $this->setWarmers($warmers);

    26         $this->optionalsEnabled = false;

    27     }

    28 

    29     public function enableOptionalWarmers()

    30     {

    31         $this->optionalsEnabled = true;

    32     }

    33 

    34     /**

    35      * Warms up the cache.

    36      *

    37      * @param string $cacheDir The cache directory

    38      */

    39     public function warmUp($cacheDir)

    40     {

    41         foreach ($this->warmers as $warmer) {

    42             if (!$this->optionalsEnabled && $warmer->isOptional()) {

    43                 continue;

    44             }

    45 

    46             $warmer->warmUp($cacheDir);

    47         }

    48     }

    49 

    50     /**

    51      * Checks whether this warmer is optional or not.

    52      *

    53      * @return Boolean always true

    54      */

    55     public function isOptional()

    56     {

    57         return false;

    58     }

    59 

    60     public function setWarmers(array $warmers)

    61     {

    62         $this->warmers = array();

    63         foreach ($warmers as $warmer) {

    64             $this->add($warmer);

    65         }

    66     }

    67 

    68     public function add(CacheWarmerInterface $warmer)

    69     {

    70         $this->warmers[] = $warmer;

    71     }

    72 }