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<?php |
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declare(strict_types=1); |
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namespace Yiisoft\Db\Cache; |
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use Psr\SimpleCache\CacheInterface; |
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use Yiisoft\Cache\CacheKeyNormalizer; |
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use Yiisoft\Cache\Dependency\Dependency; |
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use function array_pop; |
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use function end; |
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use function is_array; |
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final class QueryCache |
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{ |
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private CacheInterface $cache; |
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private bool $enableCache = true; |
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public array $cacheInfo = []; |
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private int $cacheDuration = 3600; |
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private CacheKeyNormalizer $cacheKeyNormalizer; |
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public function __construct(CacheInterface $cache, CacheKeyNormalizer $cacheKeyNormalizer) |
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{ |
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$this->cache = $cache; |
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$this->cacheKeyNormalizer = $cacheKeyNormalizer; |
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} |
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public function normalize($key): string |
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{ |
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return $this->cacheKeyNormalizer->normalize($key); |
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} |
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public function getCacheDuration(): ?int |
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{ |
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return $this->cacheDuration; |
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} |
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public function getCacheInfo(): array |
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{ |
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return $this->cacheInfo; |
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} |
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public function isCacheEnabled(): bool |
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{ |
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return $this->enableCache; |
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} |
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/** |
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* Returns the current query cache information. |
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* |
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* This method is used internally by {@see Command}. |
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* |
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* @param int|null $duration the preferred caching duration. If null, it will be ignored. |
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* @param Dependency|null $dependency the preferred caching dependency. If null, it will be |
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* ignored. |
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* |
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* @return array|null the current query cache information, or null if query cache is not enabled. |
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*/ |
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public function cacheInfo(?int $duration, Dependency $dependency = null): ?array |
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{ |
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$result = null; |
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if ($this->enableCache) { |
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$info = end($this->cacheInfo); |
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if (is_array($info)) { |
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if ($duration === null) { |
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$duration = $info[0]; |
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} |
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if ($dependency === null) { |
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$dependency = $info[1]; |
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} |
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} |
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if ($duration === 0 || $duration > 0) { |
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if ($this->cache instanceof CacheInterface) { |
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$result = [$this->cache, $duration, $dependency]; |
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} |
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} |
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} |
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return $result; |
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} |
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public function cacheInfoArrayPop(): void |
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{ |
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array_pop($this->cacheInfo); |
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} |
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/** |
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* Whether to enable query caching. Note that in order to enable query caching, a valid cache component as specified |
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* by {@see setQueryCache()} must be enabled and {@see enableQueryCache} must be set true. Also, only the results of |
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* the queries enclosed within {@see cache()} will be cached. |
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* |
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* @param bool $value |
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* |
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* {@see setQueryCache()} |
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* {@see cache()} |
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* {@see noCache()} |
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*/ |
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public function setEnableCache(bool $value): void |
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{ |
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$this->enableCache = $value; |
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} |
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public function setCacheInfo($value): void |
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{ |
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$this->cacheInfo[] = $value; |
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} |
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/** |
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* The default number of seconds that query results can remain valid in cache. Defaults to 3600, meaning 3600 |
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* seconds, or one hour. Use 0 to indicate that the cached data will never expire. The value of this property will |
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* be used when {@see cache()} is called without a cache duration. |
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* |
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* @param int $value |
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* |
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* {@see setEnableQueryCache()} |
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* {@see cache()} |
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*/ |
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public function setCacheDuration(int $value): void |
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{ |
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$this->cacheDuration = $value; |
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} |
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} |
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yiisoft /
db
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