DbReg class improvements

sys/db/dbreg.php

@@ -7,14 +7,14 @@
  * @author 		Timothy J. Warren
  * @copyright	Copyright (c) 2012
  * @link 		https://github.com/aviat4ion/OpenSQLManager
- * @license 	http://philsturgeon.co.uk/code/dbad-license 
+ * @license 	http://philsturgeon.co.uk/code/dbad-license
  */
 
 // --------------------------------------------------------------------------
 
 /**
  * Connection registry
- * 
+ *
  * Decouples the Settings class from the query builder
  * and organizes database connections
  */
@@ -24,7 +24,7 @@ class DB_Reg {
 
 	/**
 	 * Registry access method
-	 * 
+	 *
 	 * @param string $key
 	 * @return object
 	 */
@@ -43,9 +43,10 @@ class DB_Reg {
 
 	/**
 	 * Private constructor
+	 *
 	 * @param string $key
 	 */
-	protected function __construct($key)
+	private function __construct($key)
 	{
 		// Get the db connection parameters for the current database
 		$db_params = Settings::get_instance()->get_db($key);
@@ -53,4 +54,17 @@ class DB_Reg {
 		// Set the current key in the registry
 		self::$instance[$key] = new Query_Builder($db_params);
 	}
-}
+
+	// --------------------------------------------------------------------------
+
+	/**
+	 * Return exiting connections
+	 *
+	 * @return array
+	 */
+	public function get_connections()
+	{
+		return array_keys(self::$instance);
+	}
+}
+// End of dbreg.php