130ec2523d
Auto fix MediaWiki.Commenting.FunctionComment.DefaultNullTypeParam sniff Change-Id: I865323fd0295aabd06f3e3c75e0e5043fb31069e
111 lines
3 KiB
PHP
111 lines
3 KiB
PHP
<?php
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/**
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* Per-process memory cache for storing items.
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*
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* This program 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 2 of the License, or
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* (at your option) any later version.
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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 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 along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* http://www.gnu.org/copyleft/gpl.html
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*
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* @file
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* @ingroup Cache
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*/
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/**
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* Class for process caching individual properties of expiring items
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*
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* When the key for an entire item is deleted, all properties for it are deleted
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*
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* @ingroup Cache
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* @deprecated Since 1.32 Use MapCacheLRU instead
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*/
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class ProcessCacheLRU {
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/** @var MapCacheLRU */
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protected $cache;
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/**
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* @param int $maxKeys Maximum number of entries allowed (min 1).
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* @throws UnexpectedValueException When $maxCacheKeys is not an int or =< 0.
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*/
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public function __construct( $maxKeys ) {
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$this->cache = new MapCacheLRU( $maxKeys );
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}
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/**
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* Set a property field for a cache entry.
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* This will prune the cache if it gets too large based on LRU.
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* If the item is already set, it will be pushed to the top of the cache.
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*
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* @param string $key
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* @param string $prop
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* @param mixed $value
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* @return void
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*/
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public function set( $key, $prop, $value ) {
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$this->cache->setField( $key, $prop, $value );
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}
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/**
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* Check if a property field exists for a cache entry.
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*
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* @param string $key
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* @param string $prop
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* @param float $maxAge Ignore items older than this many seconds (since 1.21)
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* @return bool
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*/
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public function has( $key, $prop, $maxAge = 0.0 ) {
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return $this->cache->hasField( $key, $prop, $maxAge );
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}
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/**
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* Get a property field for a cache entry.
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* This returns null if the property is not set.
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* If the item is already set, it will be pushed to the top of the cache.
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*
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* @param string $key
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* @param string $prop
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* @return mixed
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*/
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public function get( $key, $prop ) {
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return $this->cache->getField( $key, $prop );
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}
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/**
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* Clear one or several cache entries, or all cache entries.
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*
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* @param string|array|null $keys
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* @return void
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*/
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public function clear( $keys = null ) {
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$this->cache->clear( $keys );
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}
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/**
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* Resize the maximum number of cache entries, removing older entries as needed
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*
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* @param int $maxKeys
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* @return void
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* @throws UnexpectedValueException
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*/
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public function resize( $maxKeys ) {
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$this->cache->setMaxSize( $maxKeys );
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}
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/**
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* Get cache size
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* @return int
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*/
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public function getSize() {
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return $this->cache->getMaxSize();
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}
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}
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