| public set ( string $entryIdentifier, string $data, array $tags = [], integer $lifetime = null ) : void | ||
| $entryIdentifier | string | An identifier for this specific cache entry |
| $data | string | The data to be stored |
| $tags | array | Tags to associate with this cache entry |
| $lifetime | integer | Lifetime of this cache entry in seconds. If NULL is specified, the default lifetime is used. "0" means unlimited lifetime. |
| return | void | |
public function set($entryIdentifier, $data, array $tags = [], $lifetime = null)
{
if (strlen($this->identifierPrefix . $entryIdentifier) > 250) {
throw new \InvalidArgumentException('Could not set value. Key more than 250 characters (' . $this->identifierPrefix . $entryIdentifier . ').', 1232969508);
}
if (!$this->cache instanceof FrontendInterface) {
throw new Exception('No cache frontend has been set yet via setCache().', 1207149215);
}
if (!is_string($data)) {
throw new InvalidDataException('The specified data is of type "' . gettype($data) . '" but a string is expected.', 1207149231);
}
$tags[] = '%MEMCACHEBE%' . $this->cacheIdentifier;
$expiration = $lifetime !== null ? $lifetime : $this->defaultLifetime;
// Memcache considers values over 2592000 sec (30 days) as UNIX timestamp
// thus $expiration should be converted from lifetime to UNIX timestamp
if ($expiration > 2592000) {
$expiration += time();
}
try {
if (strlen($data) > self::MAX_BUCKET_SIZE) {
$data = str_split($data, self::MAX_BUCKET_SIZE - 1024);
$success = true;
$chunkNumber = 1;
foreach ($data as $chunk) {
$success = $success && $this->setItem($this->identifierPrefix . $entryIdentifier . '_chunk_' . $chunkNumber, $chunk, $expiration);
$chunkNumber++;
}
$success = $success && $this->setItem($this->identifierPrefix . $entryIdentifier, 'Flow*chunked:' . $chunkNumber, $expiration);
} else {
$success = $this->setItem($this->identifierPrefix . $entryIdentifier, $data, $expiration);
}
if ($success === true) {
$this->removeIdentifierFromAllTags($entryIdentifier);
$this->addIdentifierToTags($entryIdentifier, $tags);
} else {
throw new Exception('Could not set value on memcache server.', 1275830266);
}
} catch (\Exception $exception) {
throw new Exception('Could not set value. ' . $exception->getMessage(), 1207208100);
}
} /**
* @test
*/
public function flushRemovesOnlyOwnEntries()
{
$backendOptions = ['servers' => ['localhost:11211']];
$thisCache = $this->getMockBuilder(AbstractFrontend::class)->disableOriginalConstructor()->getMock();
$thisCache->expects($this->any())->method('getIdentifier')->will($this->returnValue('thisCache'));
$thisBackend = new MemcachedBackend($this->getEnvironmentConfiguration(), $backendOptions);
$thisBackend->setCache($thisCache);
$thatCache = $this->getMockBuilder(AbstractFrontend::class)->disableOriginalConstructor()->getMock();
$thatCache->expects($this->any())->method('getIdentifier')->will($this->returnValue('thatCache'));
$thatBackend = new MemcachedBackend($this->getEnvironmentConfiguration(), $backendOptions);
$thatBackend->setCache($thatCache);
$thisBackend->set('thisEntry', 'Hello');
$thatBackend->set('thatEntry', 'World!');
$thatBackend->flush();
$this->assertEquals('Hello', $thisBackend->get('thisEntry'));
$this->assertFalse($thatBackend->has('thatEntry'));
}