*
* @author Roland Haeder <webmaster@ship-simu.org>
* @version 0.0.0
- * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009 Hub Developer Team
+ * @copyright Copyright (c) 2007, 2008 Roland Haeder, 2009, 2010 Hub Developer Team
* @license GNU GPL 3.0 or any newer version
* @link http://www.ship-simu.org
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-class ActiveTaskVisitor extends BaseVisitor implements TaskVisitor, QueryVisitor, PoolVisitor {
+class ActiveTaskVisitor extends BaseVisitor implements TaskVisitor, QueryConnectorVisitor, QueueConnectorVisitor, PoolVisitor, ListenerVisitor, DecoratorVisitor {
/**
* Protected constructor
*
/**
* Creates an instance of this class
*
- * @return $visitorInstance An instance a Visitorable class
+ * @return $visitorInstance An instance a Visitorable class
*/
- public final static function createActiveTaskVisitor () {
+ public static final function createActiveTaskVisitor () {
// Get new instance
$visitorInstance = new ActiveTaskVisitor();
}
/**
- * Visits the given pool instance
+ * Visits the given task instance
*
- * @param $poolInstance A Taskable instance
+ * @param $taskInstance A Taskable instance
* @return void
*/
public function visitTask (Taskable $taskInstance) {
// Execute the task from this visitor
- $taskInstance->execute();
+ //* DEBUG: */ $this->debugOutput('VISITOR: Visiting task ' . $taskInstance->__toString() . ' - START');
+ $taskInstance->executeTask();
+ //* DEBUG: */ $this->debugOutput('VISITOR: Visiting task ' . $taskInstance->__toString() . ' - FINISHED');
}
/**
- * Query visitor method for active tasks
+ * Connector visitor method for active tasks
*
- * @param $queryInstance A Queryable instance
+ * @param $connectorInstance A Connectable instance
* @return void
*/
- public function visitQuery (Queryable $queryInstance) {
- // Handle all queries
- $queryInstance->handleQueries();
+ public function visitQueryConnector (Connectable $connectorInstance) {
+ // Process all pending queries
+ $connectorInstance->handlePanding();
+ }
+
+ /**
+ * Connector visitor method for active tasks
+ *
+ * @param $connectorInstance A Connectable instance
+ * @return void
+ */
+ public function visitQueueConnector (Connectable $connectorInstance) {
+ // Process all pending queries
+ $connectorInstance->handlePanding();
}
/**
* @return void
*/
public function visitPool (Poolable $poolInstance) {
- // We don't need to visit a pool as an active task because a pool can
- // never become a task.
+ /**
+ * We don't need to visit a pool as an active task because a pool can
+ * never become a task. Instead e.g. by a listener pool we should visit
+ * all listeners one by one
+ */
+ }
+
+ /**
+ * Query visitor method for active queries
+ *
+ * @param $queryInstance A Queryable instance
+ * @return void
+ * @todo Does a query needs to perform some actions as an active task?
+ */
+ public function visitQuery (Queryable $queryInstance) {
+ // Empty for now...
+ }
+
+ /**
+ * Queue visitor method for active queries
+ *
+ * @param $queueInstance A Queueable instance
+ * @return void
+ * @todo Does a queue needs to perform some actions as an active task?
+ */
+ public function visitQueue (Queueable $queueInstance) {
+ // Empty for now...
+ }
+
+ /**
+ * 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 become an active task so this method
+ // remains empty.
}
}