X-Git-Url: http://p2p-next.cs.pub.ro/gitweb/?a=blobdiff_plain;f=application%2Flibraries%2FSingleton_db.php;fp=application%2Flibraries%2FSingleton_db.php;h=e9c44c7f8bad287f9ff5b60a4fd4b8a4590fa113;hb=0b134deb6f1108155973436e3de7296a76a2d660;hp=0000000000000000000000000000000000000000;hpb=6d8f5b56b237767344bc4a283b4093e6d6f1a612;p=living-lab-site.git

diff --git a/application/libraries/Singleton_db.php b/application/libraries/Singleton_db.php
new file mode 100644
index 0000000..e9c44c7
--- /dev/null
+++ b/application/libraries/Singleton_db.php
@@ -0,0 +1,35 @@
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); 
+
+/**
+ * Library Singleton_db implements a factory that retrieves a single instance
+ * of a Database object for the whole CodeIgniter application.
+ * 
+ * This avoids opening multiple connections to the same database and ensures
+ * that you obtain a Database object only when you need it.
+ *
+ * @category	Controller
+ * @author		Călin-Andrei Burloiu
+ */
+class Singleton_db {
+	
+	private static $db;
+	
+	function __construct()
+	{
+	}
+	
+	public static function connect()
+	{
+		if(!isset(self::$db))
+		{
+			$CI = & get_instance();
+			
+			self::$db = $CI->load->database('default', TRUE);
+		}
+		
+		return self::$db;
+	}
+}
+
+/* End of file Singleton_db.php */
+/* Location: ./application/libraries/Singleton_db.php */