/**
  * @param string $projectName
  */
 public function loadProject($projectName)
 {
     if (array_search($projectName, $this->_loadedProjects) === false) {
         $this->_projectName = $projectName;
         $Document = new Sainsburys_Library_Dom_Document();
         //dev
         $configurationFile = '/home/apache/jia/sainsburys/' . $projectName . '/configuration' . '/DEV.xml';
         if (file_exists($configurationFile)) {
             $Document->loadFile($configurationFile);
             $SettingsNode = $Document->getNode('/SAINSBURYS/CONFIGURATION');
             foreach ($SettingsNode->getChildNodes() as $ChildNode) {
                 /**
                  * @var Sainsburys_Library_Dom_Node
                  */
                 $ChildNode;
                 $nodeName = $ChildNode->getName();
                 $settings[$nodeName] = $this->_loadSettingsFromNode($ChildNode);
                 $settings = Sainsburys_Library_Function::run()->arrayMerge($this->_settings, $settings);
                 $this->_settings = $settings;
             }
             $this->_loadedProjects[] = $projectName;
         } else {
             error_log('[Sainsburys_Library_Configuration] File Not Found: ' . $configurationFile);
         }
     }
 }
 /**
  * @return Sainsburys_Library_Function
  */
 public static function run()
 {
     if (self::$_Instance === null) {
         $Instance = new self();
         self::$_Instance = $Instance;
     }
     return self::$_Instance;
 }