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LCStore.php
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LCStore.php
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<?php
/**
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
* http://www.gnu.org/copyleft/gpl.html
*
* @file
*/
/**
* Interface for the persistence layer of LocalisationCache.
*
* The persistence layer is a two-level hierarchical cache. The first level
* is the language, the second level is the item or subitem.
*
* Since the data for a whole language is rebuilt in one operation, it needs
* to have a fast and atomic method for deleting or replacing all the
* current data for a given language. The interface reflects this bulk update
* operation. Callers writing to the cache must first call startWrite(), then
* will call set() a couple of thousand times, then will call finishWrite()
* to commit the operation. When finishWrite() is called, the cache is
* expected to delete all data previously stored for that language.
*
* The values stored are PHP variables suitable for serialize(). Implementations
* of LCStore are responsible for serializing and unserializing.
*
* @ingroup Language
*/
interface LCStore {
/**
* Get a value.
*
* @param string $code Language code
* @param string $key Cache key
*/
public function get( $code, $key );
/**
* Start a cache write transaction.
*
* @param string $code Language code
*/
public function startWrite( $code );
/**
* Finish a cache write transaction.
*/
public function finishWrite();
/**
* Set a key to a given value. startWrite() must be called before this
* is called, and finishWrite() must be called after.
*
* @param string $key
* @param mixed $value
*/
public function set( $key, $value );
}

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text/x-php
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Sat, Oct 3, 15:04 (8 h, 30 m)
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LCStore.php (2 KB)

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