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Diffstat (limited to 'library/spam/b8/storage/storage_dba.php')
| -rw-r--r-- | library/spam/b8/storage/storage_dba.php | 198 |
1 files changed, 0 insertions, 198 deletions
diff --git a/library/spam/b8/storage/storage_dba.php b/library/spam/b8/storage/storage_dba.php deleted file mode 100644 index 04618b23e..000000000 --- a/library/spam/b8/storage/storage_dba.php +++ /dev/null @@ -1,198 +0,0 @@ -<?php - -# Copyright (C) 2006-2010 Tobias Leupold <tobias.leupold@web.de> -# -# This file is part of the b8 package -# -# This program is free software; you can redistribute it and/or modify it -# under the terms of the GNU Lesser General Public License as published by -# the Free Software Foundation in version 2.1 of the License. -# -# 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 Lesser General Public -# License for more details. -# -# You should have received a copy of the GNU Lesser General Public License -# along with this program; if not, write to the Free Software Foundation, -# Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA. - -/** - * The DBA (Berkeley DB) abstraction layer for communicating with the database. - * Copyright (C) 2006-2010 Tobias Leupold <tobias.leupold@web.de> - * - * @license LGPL - * @access public - * @package b8 - * @author Tobias Leupold - */ - -class b8_storage_dba extends b8_storage_base -{ - - public $config = array( - 'database' => 'wordlist.db', - 'handler' => 'db4', - ); - - public $b8_config = array( - 'degenerator' => NULL, - 'today' => NULL - ); - - private $_db = NULL; - - const DATABASE_CONNECTION_FAIL = 'DATABASE_CONNECTION_FAIL'; - - /** - * Constructs the database layer. - * - * @access public - * @param string $config - */ - - function __construct($config, $degenerator, $today) - { - - # Pass some variables of the main b8 config to this class - $this->b8_config['degenerator'] = $degenerator; - $this->b8_config['today'] = $today; - - # Validate the config items - if(count($config) > 0) { - foreach ($config as $name => $value) { - $this->config[$name] = (string) $value; - } - } - - } - - /** - * Closes the database connection. - * - * @access public - * @return void - */ - - function __destruct() - { - if($this->_db !== NULL) { - dba_close($this->_db); - $this->connected = FALSE; - } - } - - /** - * Connect to the database and do some checks. - * - * @access public - * @return mixed Returns TRUE on a successful database connection, otherwise returns a constant from b8. - */ - - public function connect() - { - - # Have we already connected? - if($this->_db !== NULL) - return TRUE; - - # Open the database connection - $this->_db = dba_open(dirname(__FILE__) . DIRECTORY_SEPARATOR . ".." . DIRECTORY_SEPARATOR . $this->config['database'], "w", $this->config['handler']); - - if($this->_db === FALSE) { - $this->connected = FALSE; - $this->_db = NULL; - return self::DATABASE_CONNECTION_FAIL; - } - - # Everything is okay and connected - - $this->connected = TRUE; - - # Let's see if this is a b8 database and the version is okay - return $this->check_database(); - - } - - /** - * Does the actual interaction with the database when fetching data. - * - * @access protected - * @param array $tokens - * @return mixed Returns an array of the returned data in the format array(token => data) or an empty array if there was no data. - */ - - protected function _get_query($tokens) - { - - $data = array(); - - foreach ($tokens as $token) { - - $count = dba_fetch($token, $this->_db); - - if($count !== FALSE) - $data[$token] = $count; - - } - - return $data; - - } - - /** - * Store a token to the database. - * - * @access protected - * @param string $token - * @param string $count - * @return bool TRUE on success or FALSE on failure - */ - - protected function _put($token, $count) { - return dba_insert($token, $count, $this->_db); - } - - /** - * Update an existing token. - * - * @access protected - * @param string $token - * @param string $count - * @return bool TRUE on success or FALSE on failure - */ - - protected function _update($token, $count) - { - return dba_replace($token, $count, $this->_db); - } - - /** - * Remove a token from the database. - * - * @access protected - * @param string $token - * @return bool TRUE on success or FALSE on failure - */ - - protected function _del($token) - { - return dba_delete($token, $this->_db); - } - - /** - * Does nothing :-D - * - * @access protected - * @return void - */ - - protected function _commit() - { - # We just need this function because the (My)SQL backend(s) need it. - return; - } - -} - -?>
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