38 lines
1.1 KiB
PHP
38 lines
1.1 KiB
PHP
<?php
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/**
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* Data caching with dependencies.
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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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* @ingroup Cache
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*/
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abstract class CacheDependency {
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/**
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* Returns true if the dependency is expired, false otherwise
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*/
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abstract public function isExpired();
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/**
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* Hook to perform any expensive pre-serialize loading of dependency values.
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*/
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public function loadDependencyValues() {
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}
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}
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