128 lines
3.6 KiB
PHP
128 lines
3.6 KiB
PHP
<?php
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/**
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* FuzeWorks ObjectStorage Component.
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*
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* The FuzeWorks PHP FrameWork
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*
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* Copyright (C) 2013-2020 i15
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*
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* @author i15
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* @copyright Copyright (c) 2013 - 2020, i15. (https://i15.nl)
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* @license https://opensource.org/licenses/MIT MIT License
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*
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* @since Version 1.3.0
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*
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* @version Version 1.3.0
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*/
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namespace FuzeWorks\ObjectStorage;
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use Psr\SimpleCache\CacheInterface;
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class ObjectStorageCache implements CacheInterface
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{
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private iObjectStorageProvider $provider;
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public function __construct(iObjectStorageProvider $provider)
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{
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$this->provider = $provider;
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}
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private function testTTL(string $key)
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{
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$meta = $this->provider->getItemMeta('fwcache_' . $key);
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if (!is_null($meta) && $meta['ttl'] > 0 && time() > $meta['time'] + $meta['ttl'])
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$this->provider->deleteItem('fwcache_' . $key);
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}
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public function get($key, $default = null)
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{
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// Remove the item if its TTL has expired
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$this->testTTL($key);
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// Fetch the value
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$res = $this->provider->getItem('fwcache_' . $key);
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// If there is no value, return the default
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return is_null($res) ? $default : $res;
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}
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public function set($key, $value, $ttl = null): bool
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{
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$meta = [
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'time' => time(),
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'ttl' => is_int($ttl) ? $ttl : 0
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];
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return $this->provider->save('fwcache_' . $key, $value, $meta);
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}
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public function delete($key): bool
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{
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return $this->provider->deleteItem('fwcache_' . $key);
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}
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public function clear(): bool
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{
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// Fetch the index set
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$index = $this->provider->getIndex();
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foreach ($index as $entry)
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{
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if (substr($entry, 0, 8) === 'fwcache_')
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$this->provider->deleteItem($entry);
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}
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return true;
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}
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public function getMultiple($keys, $default = null): array
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{
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$out = [];
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foreach ($keys as $key)
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{
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$out[$key] = $this->get($key, $default);
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}
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return $out;
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}
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public function setMultiple($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, $ttl);
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return true;
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}
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public function deleteMultiple($keys): bool
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{
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foreach ($keys as $key)
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$this->delete($key);
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return true;
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}
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public function has($key): bool
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{
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$this->testTTL($key);
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return $this->provider->hasItem('fwcache_' . $key);
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}
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} |