79 lines
1.9 KiB
PHP
79 lines
1.9 KiB
PHP
<?php
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/**
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* Dummy object caching.
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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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* A BagOStuff object with no objects in it. Used to provide a no-op object to calling code.
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*
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* @ingroup Cache
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*/
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class EmptyBagOStuff extends BagOStuff {
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/**
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* @param string $key
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* @param mixed $casToken [optional]
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* @return bool
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*/
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function get( $key, &$casToken = null ) {
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return false;
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}
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/**
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* @param string $key
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* @param mixed $value
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* @param int $exp
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* @return bool
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*/
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function set( $key, $value, $exp = 0 ) {
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return true;
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}
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/**
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* @param mixed $casToken
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* @param string $key
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* @param mixed $value
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* @param int $exp
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* @return bool
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*/
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function cas( $casToken, $key, $value, $exp = 0 ) {
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return true;
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}
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/**
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* @param string $key
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* @return bool
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*/
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function delete( $key ) {
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return true;
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}
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/**
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* @param string $key
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* @param Closure $callback Callback method to be executed
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* @param int $exptime Either an interval in seconds or a unix timestamp for expiry
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* @param int $attempts The amount of times to attempt a merge in case of failure
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* @return bool Success
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*/
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public function merge( $key, Closure $callback, $exptime = 0, $attempts = 10 ) {
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return true;
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}
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}
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