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<?php |
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declare(strict_types=1); |
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namespace MySQLReplication\Cache; |
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use MySQLReplication\Config\Config; |
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use Psr\SimpleCache\CacheInterface; |
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class ArrayCache implements CacheInterface |
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{ |
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private static $tableMapCache = []; |
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/** |
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* @inheritDoc |
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*/ |
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public function get($key, $default = null) |
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{ |
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return $this->has($key) ? self::$tableMapCache[$key] : $default; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function has($key): bool |
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{ |
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return isset(self::$tableMapCache[$key]); |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function clear(): bool |
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{ |
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self::$tableMapCache = []; |
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return true; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function getMultiple($keys, $default = null) |
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{ |
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$data = []; |
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foreach ($keys as $key) { |
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if ($this->has($key)) { |
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$data[$key] = self::$tableMapCache[$key]; |
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} |
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} |
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return [] !== $data ? $data : $default; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function setMultiple($values, $ttl = null): bool |
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{ |
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foreach ($values as $key => $value) { |
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$this->set($key, $value); |
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} |
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return true; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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public function set($key, $value, $ttl = null): bool |
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{ |
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// automatically clear table cache to save memory |
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if (count(self::$tableMapCache) > Config::getTableCacheSize()) { |
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self::$tableMapCache = array_slice( |
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self::$tableMapCache, |
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(int)(Config::getTableCacheSize() / 2), |
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null, |
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true |
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); |
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} |
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self::$tableMapCache[$key] = $value; |
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return true; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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1 |
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public function deleteMultiple($keys): bool |
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{ |
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foreach ($keys as $key) { |
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$this->delete($key); |
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} |
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return true; |
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} |
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/** |
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* @inheritDoc |
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*/ |
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2 |
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public function delete($key): bool |
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{ |
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unset(self::$tableMapCache[$key]); |
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return true; |
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} |
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} |
krowinski /
php-mysql-replication
