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8a0f706033
Adds new set_versioned and get_versioned APIs to cache, which means you can request a specific version from cache and it will not return an outdated version. This is important when using multi-layer-caches where a local cache might have an outdated version of the cache, but the shared cache has a current version. With this feature, the content of the cache does not have to be rebuilt, as it will automatically retrieve it from the shared cache if necessary.
51 lines
1.4 KiB
PHP
51 lines
1.4 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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namespace core_cache;
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/**
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* Class wrapping information in the cache that is tagged with a version number.
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*
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* @package core_cache
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* @copyright 2021 The Open University
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class version_wrapper {
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/**
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* The data being stored.
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* @var mixed
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*/
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public $data;
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/**
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* Version number for the data
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* @var int
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*/
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public $version;
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/**
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* Constructs a version tag wrapper.
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*
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* @param mixed $data
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* @param int $version Version number
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*/
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public function __construct($data, int $version) {
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$this->data = $data;
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$this->version = $version;
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}
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}
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