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65 lines
1.7 KiB
65 lines
1.7 KiB
<?php
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// (c) Copyright by authors of the Tiki Wiki CMS Groupware Project
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//
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// All Rights Reserved. See copyright.txt for details and a complete list of authors.
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// Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details.
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// $Id$
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class TikiDb_Initializer
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{
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private $connectors = [
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'pdo' => 'TikiDb_Initializer_Pdo',
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'adodb' => 'TikiDb_Initializer_Adodb',
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];
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private $preferred;
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private $initializeCallback;
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public function setPreferredConnector($connector)
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{
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if (isset($this->connectors[$connector])) {
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$this->preferred = $connector;
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}
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}
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public function setInitializeCallback($callback)
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{
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$this->initializeCallback = $callback;
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}
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public function getConnection(array $credentials)
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{
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if ($connector = $this->getInitializer($this->preferred)) {
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return $this->initialize($connector, $credentials);
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}
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foreach (array_keys($this->connectors) as $name) {
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if ($connector = $this->getInitializer($name)) {
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return $this->initialize($connector, $credentials);
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}
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}
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}
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private function initialize($connector, $credentials)
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{
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if ($db = $connector->getConnection($credentials)) {
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if ($callback = $this->initializeCallback) {
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$callback($db);
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}
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return $db;
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}
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}
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private function getInitializer($name)
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{
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if (! isset($this->connectors[$name])) {
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return false;
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}
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$connector = new $this->connectors[$name]();
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if ($connector->isSupported()) {
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return $connector;
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}
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}
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}
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