+
+ /**
+ * Visits the given listener instance
+ *
+ * @param $listenerInstance A Listenable instance
+ * @return void
+ */
+ public function visitListener (Listenable $listenerInstance) {
+ // Do "listen" here
+ //* DEBUG: */ $this->debugOutput('VISITOR: Visiting ' . $listenerInstance->__toString() . ' - START');
+ $listenerInstance->doListen();
+ //* DEBUG: */ $this->debugOutput('VISITOR: Visiting ' . $listenerInstance->__toString() . ' - FINISH');
+ }
+
+ /**
+ * Visits the given decorator instance
+ *
+ * @param $decoratorInstance A decorator instance
+ * @return void
+ */
+ public function visitDecorator (BaseDecorator $decoratorInstance) {
+ // A decorator itself can never bevome an active task so this method
+ // remains empty.
+ }