79 lines
1.7 KiB
PHP
79 lines
1.7 KiB
PHP
<?php defined('SYSPATH') or die('No direct script access.');
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/**
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* See [Kohana_Cache_Memcache]
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*
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* @package Kohana/Cache
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* @category Base
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* @version 2.0
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* @author Kohana Team
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* @copyright (c) 2009-2012 Kohana Team
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* @license http://kohanaphp.com/license
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*/
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class Kohana_Cache_MemcacheTag extends Cache_Memcache implements Cache_Tagging {
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/**
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* Constructs the memcache object
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*
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* @param array $config configuration
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* @throws Cache_Exception
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*/
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protected function __construct(array $config)
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{
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parent::__construct($config);
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if ( ! method_exists($this->_memcache, 'tag_add'))
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{
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throw new Cache_Exception('Memcached-tags PHP plugin not present. Please see http://code.google.com/p/memcached-tags/ for more information');
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}
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}
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/**
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* Set a value based on an id with tags
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*
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* @param string $id id
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* @param mixed $data data
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* @param integer $lifetime lifetime [Optional]
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* @param array $tags tags [Optional]
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* @return boolean
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*/
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public function set_with_tags($id, $data, $lifetime = NULL, array $tags = NULL)
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{
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$id = $this->_sanitize_id($id);
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$result = $this->set($id, $data, $lifetime);
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if ($result and $tags)
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{
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foreach ($tags as $tag)
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{
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$this->_memcache->tag_add($tag, $id);
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}
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}
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return $result;
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}
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/**
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* Delete cache entries based on a tag
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*
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* @param string $tag tag
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* @return boolean
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*/
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public function delete_tag($tag)
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{
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return $this->_memcache->tag_delete($tag);
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}
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/**
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* Find cache entries based on a tag
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*
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* @param string $tag tag
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* @return void
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* @throws Cache_Exception
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*/
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public function find($tag)
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{
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throw new Cache_Exception('Memcached-tags does not support finding by tag');
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}
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}
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