Multi databases support, #12

git-svn-id: svn+ssh://code.netmonsters.ru/svn/majestic/branches/evo@113 4cb57b5f-5bbd-dd11-951b-001d605cbbc5
2010-02-24 12:08:53 +00:00
parent fdc61c3a8f
commit 10075f88ab
8 changed files with 880 additions and 0 deletions
--- a/model/Db.php
+++ b/model/Db.php
@ -0,0 +1,65 @@
+<?php
+/**
+ * @copyright NetMonsters <team@netmonsters.ru>
+ * @link http://netmonsters.ru
+ * @package Majestic
+ * @subpackage db
+ * @since 2010-02-16
+ * @version SVN: $Id$
+ * @filesource $URL$
+ */
+
+class Db
+{
+    
+    const FETCH_ASSOC = 2;
+    const FETCH_NUM   = 3;
+    const FETCH_BOTH  = 4;
+    const FETCH_OBJ   = 5;
+
+    /**
+     * Databases connections
+     * 
+     * @var array
+     */
+    static protected $connections = array();
+    
+    /**
+     * Connect to database
+     * 
+     * @param string $name Database name. If not set 'default' will be used.
+     * @param array $config Configuration array.
+     *                       
+     * @return DbDriver
+     */
+    static public function connect($name = null, $config = null)
+    {
+        if ($name === null) {
+            $name = 'default';
+        }
+        
+        if (! isset(self::$connections[$name])) {
+            if (!$config) {
+                $config = Config::get('databases')->$name;
+            }
+                
+            if (! is_array($config)) {
+                throw new Exception('Connection parameters must be an array');
+            }
+            
+            $driver = 'MySQLiDriver';
+            if (isset($config['driver'])) {
+                $driver = $config['driver'];
+                unset($config['driver']);
+            }
+            
+            $connection = new $driver($config);
+            
+            if (! $connection instanceof DbDriver) {
+                throw new Exception('Database driver must extends DbDriver');
+            }
+            self::$connections[$name] = $connection;
+        }
+        return self::$connections[$name];
+    }
+}