/**
* @test
* @expectedException \Neos\Cache\Exception
*/
public function setCacheThrowsExceptionOnNonWritableDirectory()
{
$mockEnvironmentConfiguration = $this->getMockBuilder(EnvironmentConfiguration::class)->setMethods(null)->setConstructorArgs([__DIR__ . '~Testing', 'vfs://Some/NonExisting/Directory/', 1024])->getMock();
$simpleFileBackend = new SimpleFileBackend($mockEnvironmentConfiguration, []);
$simpleFileBackend->setCache($this->mockCacheFrontend);
$this->getSimpleFileBackend();
}
/**
* Sets a reference to the cache frontend which uses this backend and
* initializes the default cache directory.
*
* This method also detects if this backend is frozen and sets the internal
* flag accordingly.
*
* @param FrontendInterface $cache The cache frontend
* @return void
* @throws Exception
*/
public function setCache(FrontendInterface $cache)
{
parent::setCache($cache);
if (is_file($this->cacheDirectory . 'FrozenCache.data')) {
$this->frozen = true;
$cachePathAndFileName = $this->cacheDirectory . 'FrozenCache.data';
$lock = new Lock($cachePathAndFileName, false);
$data = file_get_contents($cachePathAndFileName);
$lock->release();
if ($this->useIgBinary === true) {
$this->cacheEntryIdentifiers = igbinary_unserialize($data);
} else {
$this->cacheEntryIdentifiers = unserialize($data);
}
}
}
/**
* Removes all cache entries matching the specified identifier.
* Usually this only affects one entry.
*
* @param string $entryIdentifier Specifies the cache entry to remove
* @return boolean TRUE if (at least) an entry could be removed or FALSE if no entry was found
* @throws \RuntimeException
* @throws \InvalidArgumentException
* @api
*/
public function remove($entryIdentifier)
{
if ($this->frozen === true) {
throw new \RuntimeException(sprintf('Cannot remove cache entry because the backend of cache "%s" is frozen.', $this->cacheIdentifier), 1323344193);
}
return parent::remove($entryIdentifier);
}
/**
* Constructs this backend
*
* @param ApplicationContext $context Flow's application context
* @param array $options Configuration options - depends on the actual backend
*/
public function __construct(ApplicationContext $context, array $options = [])
{
$this->context = $context;
$environmentConfiguration = $this->createEnvironmentConfiguration($context);
parent::__construct($environmentConfiguration, $options);
}