Changeset 2372 for sandbox/workflow/trunk/inc/engine/src/common/Base.php

Timestamp:

03/29/10 14:46:01 (14 years ago)

Author:

pedroerp

Message:

Ticket #609 - Merged 2197:2356 /sandbox/workflow/branches/609/ em /sandbox/workflow/trunk.

File:

• sandbox/workflow/trunk/inc/engine/src/common/Base.php (modified) (3 diffs)

sandbox/workflow/trunk/inc/engine/src/common/Base.php

@@ -39 +39 @@
         var $child_name = 'Base';
 
+        /**
+         * @var object $db_shared_obj The database abstraction object shared between
+         *                                                    all instances of this class.
+         * @acess private
+         * @static
+         */
+        private static $db_shared_obj = null;
+
   /**
    * Constructor receiving a database abstraction object
@@ -46 +54 @@
    * @access public
    */
-  function Base(&$db)
+  function Base()
   {
-    if(!$db) {
+        /**
+         * New Stuff!
+         * We decided to get here the database object. In a recent past,
+         * all the classes that specialize this one passed a db object.
+         * Now, to simplify and save memory, we store the database object
+         * into a single and static atribute shared among each instance
+         * of this class.
+         *
+         * To prevent to modify all sub-classes to use "self::$db" instead
+         * of "this->db", we made a very tiny workaround here. In the first
+         * instantiation of this class, we instantiate the database object
+         * and store it into 'self::$db_shared_obj'. Any subsequent
+         * instantiations will just point to the static one.
+         */
+        if (!self::$db_shared_obj)
+                self::$db_shared_obj = &Factory::getInstance('WorkflowObjects')->getDBGalaxia()->Link_ID;
+
+        $this->db = &self::$db_shared_obj;
+
+
+    if(!$this->db) {
       die('Invalid db object passed to '.$this->child_name.' constructor');
     }
     //Force transactionnal mysql (Innodb) -> mysqlt
-    if ($db->databaseType=='mysql')
+    if ($this->db->databaseType=='mysql')
     {
         $GLOBALS['phpgw']->db->disconnect();
-        $db = $GLOBALS['phpgw']->db->connect(
+        $this->db = $GLOBALS['phpgw']->db->connect(
                         $GLOBALS['phpgw_info']['server']['db_name'],
                         $GLOBALS['phpgw_info']['server']['db_host'],
@@ -64 +92 @@
                 );
     }
-    $this->db = &$db;
   }