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<?php |
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namespace Silviooosilva\CacheerPhp\CacheStore; |
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use Silviooosilva\CacheerPhp\Interface\CacheerInterface; |
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use Silviooosilva\CacheerPhp\Utils\CacheLogger; |
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use Silviooosilva\CacheerPhp\CacheStore\Support\ArrayCacheBatchWriter; |
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use Silviooosilva\CacheerPhp\CacheStore\Support\ArrayCacheCodec; |
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use Silviooosilva\CacheerPhp\CacheStore\Support\ArrayCacheKeyspace; |
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use Silviooosilva\CacheerPhp\CacheStore\Support\ArrayCacheTagIndex; |
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use Silviooosilva\CacheerPhp\CacheStore\Support\OperationStatus; |
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/** |
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* Class ArrayCacheStore |
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* @author Sílvio Silva <https://github.com/silviooosilva> |
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* @package Silviooosilva\CacheerPhp |
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*/ |
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class ArrayCacheStore implements CacheerInterface |
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{ |
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/** |
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* @param array $arrayStore |
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*/ |
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private array $arrayStore = []; |
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/** |
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* @var OperationStatus |
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*/ |
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private OperationStatus $status; |
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/** |
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* @var ArrayCacheKeyspace |
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*/ |
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private ArrayCacheKeyspace $keyspace; |
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/** |
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* @var ArrayCacheCodec |
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*/ |
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private ArrayCacheCodec $codec; |
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/** |
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* @var ArrayCacheTagIndex |
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*/ |
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private ArrayCacheTagIndex $tagIndex; |
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/** |
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* ArrayCacheStore constructor. |
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* |
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* @param string $logPath |
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*/ |
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public function __construct(string $logPath) |
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{ |
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$logger = new CacheLogger($logPath); |
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$this->status = new OperationStatus($logger, 'array'); |
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$this->keyspace = new ArrayCacheKeyspace(); |
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$this->codec = new ArrayCacheCodec(); |
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$this->tagIndex = new ArrayCacheTagIndex($this->keyspace, $this->status); |
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} |
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/** |
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* Appends data to an existing cache item. |
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* |
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* @param string $cacheKey |
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* @param mixed $cacheData |
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* @param string $namespace |
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* @return bool |
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*/ |
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public function appendCache(string $cacheKey, mixed $cacheData, string $namespace = ''): bool |
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{ |
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$arrayStoreKey = $this->keyspace->build($cacheKey, $namespace); |
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$entry = $this->arrayStore[$arrayStoreKey] ?? null; |
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if ($entry === null || $this->keyspace->isExpired($entry)) { |
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$this->status->record("cacheData can't be appended, because doesn't exist or expired", false); |
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return false; |
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} |
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$this->arrayStore[$arrayStoreKey]['cacheData'] = $this->codec->encode($cacheData); |
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$this->status->record("Cache appended successfully", true); |
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return true; |
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} |
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/** |
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* Clears a specific cache item. |
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* |
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* @param string $cacheKey |
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* @param string $namespace |
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* @return void |
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*/ |
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public function clearCache(string $cacheKey, string $namespace = ''): void |
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{ |
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$arrayStoreKey = $this->keyspace->build($cacheKey, $namespace); |
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unset($this->arrayStore[$arrayStoreKey]); |
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$this->status->record("Cache cleared successfully", true); |
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} |
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/** |
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* Decrements a cache item by a specified amount. |
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* |
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* @param string $cacheKey |
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* @param int $amount |
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* @param string $namespace |
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* @return bool |
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*/ |
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public function decrement(string $cacheKey, int $amount = 1, string $namespace = ''): bool |
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{ |
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return $this->increment($cacheKey, ($amount * -1), $namespace); |
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} |
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/** |
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* Flushes all cache items. |
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* |
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* @return void |
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*/ |
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public function flushCache(): void |
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{ |
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$this->arrayStore = []; |
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$this->tagIndex->reset(); |
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$this->status->record("Cache flushed successfully", true); |
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} |
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/** |
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* Stores a cache item permanently. |
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* |
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* @param string $cacheKey |
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* @param mixed $cacheData |
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* @return void |
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*/ |
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public function forever(string $cacheKey, mixed $cacheData): void |
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{ |
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$this->putCache($cacheKey, $cacheData, ttl: 31536000 * 1000); |
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} |
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/** |
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* Retrieves a single cache item. |
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* |
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* @param string $cacheKey |
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* @param string $namespace |
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* @param int|string $ttl |
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* @return mixed |
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*/ |
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public function getCache(string $cacheKey, string $namespace = '', string|int $ttl = 3600): mixed |
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{ |
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$arrayStoreKey = $this->keyspace->build($cacheKey, $namespace); |
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$cacheData = $this->arrayStore[$arrayStoreKey] ?? null; |
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if ($cacheData === null) { |
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$this->status->record("cacheData not found, does not exists or expired", false); |
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return false; |
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} |
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if ($this->keyspace->isExpired($cacheData)) { |
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$this->clearCache($cacheKey, $namespace); |
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$this->status->record("cacheKey: {$cacheKey} has expired.", false); |
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return false; |
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} |
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$this->status->record("Cache retrieved successfully", true); |
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return $this->codec->decode($cacheData['cacheData']); |
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} |
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/** |
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* Gets all items in a specific namespace. |
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* |
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* @param string $namespace |
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* @return array |
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*/ |
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public function getAll(string $namespace = ''): array |
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{ |
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$results = []; |
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foreach ($this->arrayStore as $key => $data) { |
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if (str_starts_with($key, $namespace . ':') || $namespace === '') { |
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$results[$key] = $this->codec->decode($data['cacheData']); |
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} |
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} |
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return $results; |
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} |
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/** |
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* Retrieves multiple cache items by their keys. |
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* |
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* @param array $cacheKeys |
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* @param string $namespace |
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* @param string|int $ttl |
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* @return array |
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*/ |
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public function getMany(array $cacheKeys, string $namespace = '', string|int $ttl = 3600): array |
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{ |
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$results = []; |
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foreach ($cacheKeys as $cacheKey) { |
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$results[$cacheKey] = $this->getCache($cacheKey, $namespace, $ttl); |
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} |
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return $results; |
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} |
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/** |
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* Checks if a cache item exists. |
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* |
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* @param string $cacheKey |
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* @param string $namespace |
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* @return bool |
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*/ |
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public function has(string $cacheKey, string $namespace = ''): bool |
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{ |
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$arrayStoreKey = $this->keyspace->build($cacheKey, $namespace); |
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$entry = $this->arrayStore[$arrayStoreKey] ?? null; |
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$exists = $entry !== null && !$this->keyspace->isExpired($entry); |
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$this->status->record( |
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$exists ? "Cache key: {$cacheKey} exists and it's available!" : "Cache key: {$cacheKey} does not exist or it's expired!", |
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$exists |
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); |
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return $exists; |
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} |
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/** |
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* Increments a cache item by a specified amount. |
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* |
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* @param string $cacheKey |
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* @param int $amount |
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* @param string $namespace |
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* @return bool |
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*/ |
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public function increment(string $cacheKey, int $amount = 1, string $namespace = ''): bool |
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{ |
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$cacheData = $this->getCache($cacheKey, $namespace); |
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if (!empty($cacheData) && is_numeric($cacheData)) { |
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$this->putCache($cacheKey, (int) ($cacheData + $amount), $namespace); |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Checks if the operation was successful. |
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* |
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* @return boolean |
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*/ |
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public function isSuccess(): bool |
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{ |
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return $this->status->isSuccess(); |
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} |
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/** |
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* Gets the last message. |
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* |
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* @return string |
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*/ |
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public function getMessage(): string |
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{ |
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return $this->status->getMessage(); |
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} |
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/** |
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* Stores an item in the cache with a specific TTL. |
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* |
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* @param string $cacheKey |
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* @param mixed $cacheData |
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* @param string $namespace |
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* @param int|string $ttl |
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* @return bool |
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*/ |
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public function putCache(string $cacheKey, mixed $cacheData, string $namespace = '', int|string $ttl = 3600): bool |
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{ |
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$arrayStoreKey = $this->keyspace->build($cacheKey, $namespace); |
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$this->arrayStore[$arrayStoreKey] = [ |
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'cacheData' => $this->codec->encode($cacheData), |
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'expirationTime' => time() + $ttl |
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]; |
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$this->status->record("Cache stored successfully", true); |
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return true; |
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} |
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/** |
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* Stores multiple items in the cache in batches. |
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* |
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* @param array $items |
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* @param string $namespace |
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* @param int $batchSize |
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* @return void |
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*/ |
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public function putMany(array $items, string $namespace = '', int $batchSize = 100): void |
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{ |
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$writer = new ArrayCacheBatchWriter($batchSize); |
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$writer->write($items, $namespace, function (string $cacheKey, mixed $cacheData, string $namespace): void { |
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$this->putCache($cacheKey, $cacheData, $namespace); |
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}); |
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$this->status->record($this->getMessage(), $this->isSuccess()); |
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} |
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/** |
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* Renews the expiration time of a cache item. |
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* |
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* @param string $cacheKey |
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* @param string|int $ttl |
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* @param string $namespace |
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* @return void |
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*/ |
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public function renewCache(string $cacheKey, int|string $ttl = 3600, string $namespace = ''): void |
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{ |
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$arrayStoreKey = $this->keyspace->build($cacheKey, $namespace); |
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if (isset($this->arrayStore[$arrayStoreKey])) { |
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$ttlSeconds = is_numeric($ttl) ? (int) $ttl : strtotime($ttl) - time(); |
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$this->arrayStore[$arrayStoreKey]['expirationTime'] = time() + $ttlSeconds; |
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$this->status->record("cacheKey: {$cacheKey} renewed successfully", true); |
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} |
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} |
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/** |
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* Associates one or more keys to a tag. |
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* |
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* @param string $tag |
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* @param string ...$keys |
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* @return bool |
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*/ |
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public function tag(string $tag, string ...$keys): bool |
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324
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{ |
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325
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return $this->tagIndex->tag($tag, ...$keys); |
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326
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} |
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327
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328
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/** |
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329
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* Flushes all keys associated with a tag. |
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330
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* |
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331
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* @param string $tag |
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332
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* @return void |
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333
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*/ |
|
334
|
|
|
public function flushTag(string $tag): void |
|
335
|
|
|
{ |
|
336
|
|
|
$this->tagIndex->flush($tag, function (string $cacheKey, string $namespace): void { |
|
337
|
|
|
$this->clearCache($cacheKey, $namespace); |
|
338
|
|
|
}); |
|
339
|
|
|
} |
|
340
|
|
|
} |
|
341
|
|
|
|