TYPO3 Caching Framework nutzen

Cache.php

<?php

namespace Vendor\MyExtension\Service;


class Caching {

    const DEFAULT_CACHE_EXTENSIONKEY = 'my_cache';

    /**
     * @var \TYPO3\CMS\Core\Cache\Frontend\AbstractFrontend
     */
    protected $cacheInstance;

    /**
     * @var string
     */
    protected $extensionName;

    /**
     * Generate unique cache identifier from string
     *
     * @param string $token
     *
     * @return string
     */
    public function calculateCacheIdentifierWithRandom($token) {
        return sha1($token . rand());
    }

    /**
     * Initialize caching instance
     * Beware, if you're not using the standard configuration, you need to implement a new clearCacheHook
     *
     * @param string $extensionName
     */
    public function initializeCache($extensionName) {
        $this->extensionName = $extensionName;

        if(!is_array($GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations'][$extensionName]))
            $extensionName = self::DEFAULT_CACHE_EXTENSIONKEY;

        \TYPO3\CMS\Core\Cache\Cache::initializeCachingFramework();
        try {
            $this->cacheInstance = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance('TYPO3\\CMS\\Core\\Cache\\CacheManager')->getCache($extensionName);
        } catch (\TYPO3\CMS\Core\Cache\Exception\NoSuchCacheException $e) {
            $this->cacheInstance = $GLOBALS['typo3CacheFactory']->create(
                $extensionName,
                $GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations'][$extensionName]['frontend'],
                $GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations'][$extensionName]['backend'],
                $GLOBALS['TYPO3_CONF_VARS']['SYS']['caching']['cacheConfigurations'][$extensionName]['options']
            );
        }
    }

    /**
     * Store the value in the cache
     *
     * @param string $cacheIdentifier
     * @param string $entry
     * @param array  $tags
     * @param int    $lifetime
     */
    public function set($cacheIdentifier, $entry, array $tags = null, $lifetime = 3600) {
        $this->cacheInstance->set($this->extensionName.$cacheIdentifier, $entry, $tags, $lifetime);
    }

    /**
     * Return the cached value or FALSE if it doesn't exist
     *
     * @param string $cacheIdentifier
     *
     * @return string|false
     */
    public function get($cacheIdentifier) {
        return $this->cacheInstance->get($this->extensionName.$cacheIdentifier);
    }

    /**
     * Delete entry with $cacheIdentifier
     *
     * @param $cacheIdentifier
     */
    public function remove($cacheIdentifier) {
        $this->cacheInstance->remove($this->extensionName.$cacheIdentifier);
    }

    /**
     * Clear the entire cache
     */
    public function flush() {
        $this->cacheInstance->flush();
    }

    /**
     * Clear the cache by a tag
     *
     * @param string $tag
     */
    public function flushByTag($tag) {
        $this->cacheInstance->flushByTag($tag);
    }
}

MyStuffController.php

<?php

namespace Vendor\MyExtension\Controller;

class SomeController extends \TYPO3\CMS\Extbase\Mvc\Controller\ActionController
{
    /**
     * @var \Vendor\MyExtension\Service\Caching
     * @inject
     */
    protected $caching;

    /**
     * someRepository
     *
     * @var \Vendor\MyExtension\Domain\Repository\SomeRepository
     * @inject
     */
    protected $someRepository = NULL;


    /**
     * @return void
     */
    public function initializeAction()
    {
        $this->caching->initializeCache(\TYPO3\CMS\Core\Utility\GeneralUtility::camelCaseToLowerCaseUnderscored($this->extensionName));
        parent::initializeAction();
    }

    /**
     * getSome
     *
     * @param \Vendor\MyExtension\Domain\Model\Some $args
     *
     * @return string
     */
    protected function getSome($args)
    {
        $cacheIdentifier = 'some' . $args->getUid();
        if ( ($output = $this->caching->get($cacheIdentifier)) !== false ) {
            return $output;
        }

        $relatedThings = $this->someRepository->findByRelation($args);
        $this->view->assign('stuff',$relatedThings);
        $output = $this->view->render();
        $this->caching->set($cacheIdentifier, $output, array('offers', 'market'), 86400);

        return $output;
    }

}