142 lines
4.8 KiB
PHP
Executable File
142 lines
4.8 KiB
PHP
Executable File
<?php
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if(!defined('sugarEntry') || !sugarEntry) die('Not A Valid Entry Point');
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/*********************************************************************************
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* SugarCRM is a customer relationship management program developed by
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* SugarCRM, Inc. Copyright (C) 2004-2010 SugarCRM Inc.
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*
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* This program is free software; you can redistribute it and/or modify it under
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* the terms of the GNU Affero General Public License version 3 as published by the
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* Free Software Foundation with the addition of the following permission added
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* to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
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* IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
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* OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Affero General Public License along with
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* this program; if not, see http://www.gnu.org/licenses or write to the Free
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* Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA.
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*
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* You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
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* SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
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*
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* The interactive user interfaces in modified source and object code versions
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* of this program must display Appropriate Legal Notices, as required under
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* Section 5 of the GNU Affero General Public License version 3.
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*
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* In accordance with Section 7(b) of the GNU Affero General Public License version 3,
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* these Appropriate Legal Notices must retain the display of the "Powered by
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* SugarCRM" logo. If the display of the logo is not reasonably feasible for
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* technical reasons, the Appropriate Legal Notices must display the words
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* "Powered by SugarCRM".
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********************************************************************************/
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/**
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* The Base adapter only stores values in-memory.
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*
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* Cache adapters can extend this class in order to acheive local, in-memory
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* caching to reduce the number of round trips to outside caching mechanisms
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* during a single request.
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*
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*/
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class SugarCache_Base
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{
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/**
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* The status of this object
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* - null if init() has not been called
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* - false if init() failed
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* - true if init() succeeded
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*
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* @var null|bool
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* @access public
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*/
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var $initialized = null;
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/**
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* Contains an in-memory cache of values in the cache
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*
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* @var array
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* @access protected
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*/
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var $_cache = array();
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var $_my_class_name = '';
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/**
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* Handle any initialization.
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*
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* @internal As shown here, at a minimum init() is responsible for flagging
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* the {@link $initialized} property to true on success.
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*/
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function init()
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{
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$this->initialized = true;
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$this->_my_class_name = strtolower(get_class($this));
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}
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/**
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* Set a given key/value pair within the cache
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*
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* @param string $key
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* @param mixed $value
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*/
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function set($key, $value)
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{
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if(EXTERNAL_CACHE_DEBUG) {
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SugarCache::log("Step 1: Adding key to {$GLOBALS['external_cache_type']} cache $key with value ($value)");
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}
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if(empty($value)) {
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$value = EXTERNAL_CACHE_NULL_VALUE;
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}
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if(EXTERNAL_CACHE_DEBUG) {
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SugarCache::log("Step 2: Adding key to {$GLOBALS['external_cache_type']} cache $key with value ($value)");
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}
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$this->_cache[$key] = $value;
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}
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/**
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* Retrieve the value of a given key
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*
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* @param string $key
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* @return mixed
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*/
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function get($key)
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{
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$GLOBALS['external_cache_request_local_total']++;
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if (isset($this->_cache[$key])) {
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if (EXTERNAL_CACHE_DEBUG) {
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SugarCache::log("BASE: found {$key}", 'lightpass');
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}
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$GLOBALS['external_cache_request_local_hits']++;
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return $this->_cache[$key];
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} else {
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if (EXTERNAL_CACHE_DEBUG) {
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$type = $this->_my_class_name == 'sugarcache_base' ? 'fail' : 'lightfail';
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SugarCache::log("BASE: unable to locate {$key}", $type);
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}
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}
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}
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/**
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* Unset a given value
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*
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* @internal The term "unset" is a reserved word within PHP. This
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* opts for using the magic __unset() within PHP5 to enable
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* direct unset($cache->foo) calls. Due to BC considerations
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* with PHP 4, however, this method should be invoked
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* directly via $cache->__unset('foo');
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*
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* @param string $key
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*/
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function __unset($key)
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{
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unset($this->_cache[$key]);
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}
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} |