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Cache: use at least a capped memory cache if a distributed cache is not available

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Claus-Justus Heine
2025-06-30 11:55:18 +02:00
parent f565705b4f
commit 5cc12730c5
1 changed files with 17 additions and 10 deletions
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19
lib/Cache.php
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@@ -5,6 +5,9 @@
* @copyright 2018 Marcin Łojewski <dev@mlojewski.me> * @copyright 2018 Marcin Łojewski <dev@mlojewski.me>
* @author Marcin Łojewski <dev@mlojewski.me> * @author Marcin Łojewski <dev@mlojewski.me>
* *
* @copyright 2025 Claus-Justus Heine <himself@claus-justus-heine.de>
* @author Claus-Justus Heine <himself@claus-justus-heine.de>
*
* This program is free software: you can redistribute it and/or modify * This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as * it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the * published by the Free Software Foundation, either version 3 of the
@@ -39,7 +42,7 @@ class Cache
/** /**
* @var ICache The cache instance. * @var ICache The cache instance.
*/ */
private $cache; private $cache = null;
/** /**
* The default constructor. Initiates the cache memory. * The default constructor. Initiates the cache memory.
@@ -57,15 +60,19 @@ class Cache
if ($useCache === App::FALSE_VALUE) { if ($useCache === App::FALSE_VALUE) {
$this->cache = new NullCache(); $this->cache = new NullCache();
} elseif ($factory->isAvailable()) {
$this->cache = $factory->createDistributed();
$logger->debug("Distributed cache initiated.", ["app" => $AppName]);
} else { } else {
if ($factory->isAvailable()) {
$this->cache = $factory->createDistributed();
}
if ($this->cache === null || ($this->cache instanceof NullCache)) {
$logger->debug( $logger->debug(
"There's no distributed cache available, fallback to null cache.", "There's no distributed cache available, fallback to capped in-memory cache.",
["app" => $AppName] ["app" => $AppName]
); );
$this->cache = new NullCache(); $this->cache = $factory->createInMemory(128);
} else {
$logger->debug("Distributed cache initiated.", ["app" => $AppName]);
}
} }
} }