added files for database format-upgrade

[core.git] / inc / main / classes / listener / class_BaseListenerDecorator.php

diff --git a/inc/main/classes/listener/class_BaseListenerDecorator.php b/inc/main/classes/listener/class_BaseListenerDecorator.php
index adaa544a18ac7491d13a824effc8f1dd54813206..88734973b5ec9709e85d4ef48b45917e7f03ec34 100644 (file)
--- a/inc/main/classes/listener/class_BaseListenerDecorator.php
+++ b/inc/main/classes/listener/class_BaseListenerDecorator.php
@@ -1,7 +1,4 @@
 <?php
-// Own namespace
-namespace CoreFramework\Listener;
-
 /**
  * A general decorator for listeners to communicate to hubs
  *
@@ -24,7 +21,7 @@ namespace CoreFramework\Listener;
  * 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 BaseListenerDecorator extends BaseDecorator implements Visitable {
+abstract class BaseListenerDecorator extends BaseDecorator implements Visitable {
        /**
         * Listener type
         */