76 lines
2.4 KiB
PHP
76 lines
2.4 KiB
PHP
<?php
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/**
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* StatusNet, the distributed open-source microblogging tool
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*
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* Cache the LDAP schema in memcache to improve performance
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*
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* PHP version 5
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*
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* LICENCE: This program 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 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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* 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
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category Plugin
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* @package StatusNet
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* @author Craig Andrews <candrews@integralblue.com>
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* @copyright 2009 Free Software Foundation, Inc http://www.fsf.org
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://status.net/
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*/
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class MemcacheSchemaCache implements Net_LDAP2_SchemaCache
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{
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protected $c;
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protected $cacheKey;
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/**
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* Initialize the simple cache
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*
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* Config is as following:
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* memcache memcache instance
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* cachekey the key in the cache to look at
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*
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* @param array $cfg Config array
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*/
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public function MemcacheSchemaCache($cfg)
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{
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$this->c = $cfg['c'];
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$this->cacheKey = $cfg['cacheKey'];
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}
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/**
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* Return the schema object from the cache
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*
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* @return Net_LDAP2_Schema|Net_LDAP2_Error|false
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*/
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public function loadSchema()
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{
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return $this->c->get($this->cacheKey);
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}
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/**
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* Store a schema object in the cache
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*
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* This method will be called, if Net_LDAP2 has fetched a fresh
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* schema object from LDAP and wants to init or refresh the cache.
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*
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* To invalidate the cache and cause Net_LDAP2 to refresh the cache,
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* you can call this method with null or false as value.
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* The next call to $ldap->schema() will then refresh the caches object.
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*
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* @param mixed $schema The object that should be cached
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* @return true|Net_LDAP2_Error|false
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*/
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public function storeSchema($schema) {
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return $this->c->set($this->cacheKey, $schema);
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}
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}
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