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Refactor \OC\Memcache\Factory
Caches divided up into two groups: distributed and local. 'Low latency' is an alias for local caches, while the standard `create()` call tries to get distributed caches first, then local caches. Memcache backend is set in `config.php`, with the keys `memcache.local` and `memcache.distributed`. If not set, `memcache.distributed` defaults to the value of `memcache.local`.remotes/origin/external-backend-ondemand
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<?php
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/**
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* @author Robin McCorkell <rmccorkell@karoshi.org.uk>
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*
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* @copyright Copyright (c) 2015, ownCloud, Inc.
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* @license AGPL-3.0
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*
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* This code is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License, version 3,
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* as published by the Free Software Foundation.
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*
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* This program 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 Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License, version 3,
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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namespace Test\Memcache;
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class Test_Factory_Available_Cache1 {
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public function __construct($prefix = '') {
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}
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public static function isAvailable() {
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return true;
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}
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}
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class Test_Factory_Available_Cache2 {
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public function __construct($prefix = '') {
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}
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public static function isAvailable() {
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return true;
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}
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}
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class Test_Factory_Unavailable_Cache1 {
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public function __construct($prefix = '') {
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}
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public static function isAvailable() {
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return false;
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}
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}
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class Test_Factory_Unavailable_Cache2 {
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public function __construct($prefix = '') {
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}
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public static function isAvailable() {
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return false;
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}
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}
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class Test_Factory extends \Test\TestCase {
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const AVAILABLE1 = '\\Test\\Memcache\\Test_Factory_Available_Cache1';
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const AVAILABLE2 = '\\Test\\Memcache\\Test_Factory_Available_Cache2';
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const UNAVAILABLE1 = '\\Test\\Memcache\\Test_Factory_Unavailable_Cache1';
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const UNAVAILABLE2 = '\\Test\\Memcache\\Test_Factory_Unavailable_Cache2';
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public function cacheAvailabilityProvider() {
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return [
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[
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// local and distributed available
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self::AVAILABLE1, self::AVAILABLE2,
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self::AVAILABLE1, self::AVAILABLE2
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],
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[
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// local available, distributed unavailable
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self::AVAILABLE1, self::UNAVAILABLE1,
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self::AVAILABLE1, self::AVAILABLE1
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],
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[
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// local unavailable, distributed available
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self::UNAVAILABLE1, self::AVAILABLE1,
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\OC\Memcache\Factory::NULL_CACHE, self::AVAILABLE1
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],
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[
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// local and distributed unavailable
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self::UNAVAILABLE1, self::UNAVAILABLE2,
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\OC\Memcache\Factory::NULL_CACHE, \OC\Memcache\Factory::NULL_CACHE
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],
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[
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// local and distributed null
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null, null,
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\OC\Memcache\Factory::NULL_CACHE, \OC\Memcache\Factory::NULL_CACHE
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],
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[
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// local available, distributed null (most common scenario)
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self::AVAILABLE1, null,
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self::AVAILABLE1, self::AVAILABLE1
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]
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];
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}
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/**
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* @dataProvider cacheAvailabilityProvider
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*/
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public function testCacheAvailability($localCache, $distributedCache,
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$expectedLocalCache, $expectedDistributedCache)
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{
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$factory = new \OC\Memcache\Factory('abc', $localCache, $distributedCache);
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$this->assertTrue(is_a($factory->createLocal(), $expectedLocalCache));
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$this->assertTrue(is_a($factory->createDistributed(), $expectedDistributedCache));
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}
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}
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