/**
* Sets a reference to the cache frontend which uses this backend and
* initializes the default cache directory.
*
* @param \TYPO3\FLOW3\Cache\Frontend\FrontendInterface $cache The cache frontend
* @return void
* @throws \TYPO3\FLOW3\Cache\Exception
*/
public function setCache(FrontendInterface $cache)
{
parent::setCache($cache);
$codeOrData = $cache instanceof PhpFrontend ? 'Code' : 'Data';
$cacheDirectory = $this->environment->getPathToTemporaryDirectory() . 'Cache/' . $codeOrData . '/' . $this->cacheIdentifier . '/';
if (!is_writable($cacheDirectory)) {
try {
\TYPO3\FLOW3\Utility\Files::createDirectoryRecursively($cacheDirectory);
} catch (\TYPO3\FLOW3\Utility\Exception $exception) {
throw new \TYPO3\FLOW3\Cache\Exception('The cache directory "' . $cacheDirectory . '" could not be created.', 1264426237);
}
}
if (!is_dir($cacheDirectory) && !is_link($cacheDirectory)) {
throw new \TYPO3\FLOW3\Cache\Exception('The cache directory "' . $cacheDirectory . '" does not exist.', 1203965199);
}
if (!is_writable($cacheDirectory)) {
throw new \TYPO3\FLOW3\Cache\Exception('The cache directory "' . $cacheDirectory . '" is not writable.', 1203965200);
}
$this->cacheDirectory = $cacheDirectory;
$this->cacheEntryFileExtension = $cache instanceof PhpFrontend ? '.php' : '';
if (strlen($this->cacheDirectory) + 23 > $this->environment->getMaximumPathLength()) {
throw new \TYPO3\FLOW3\Cache\Exception('The length of the temporary cache path "' . $this->cacheDirectory . '" exceeds the maximum path length of ' . ($this->environment->getMaximumPathLength() - 23) . '. Please consider setting the temporaryDirectoryBase option to a shorter path. ', 1248710426);
}
}
/**
* Does garbage collection
*
* @return void
* @api
*/
public function collectGarbage()
{
$this->backend->collectGarbage();
}