completed message persistence

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

bus/src/main/java/de/srsoftware/umbrella/messagebus/EventQueue.java

@@ -10,9 +10,11 @@ import java.util.LinkedList;
 public class EventQueue extends LinkedList<Event<?>> implements AutoCloseable, EventListener {
 
 	private final InetSocketAddress addr;
+	private final System.Logger log;
 
 	public EventQueue(InetSocketAddress addr){
 		this.addr = addr;
+		log = System.getLogger(addr.toString());
 		messageBus().register(this);
 	}
 
@@ -30,7 +32,7 @@ public class EventQueue extends LinkedList<Event<?>> implements AutoCloseable, E
 
 	@Override
 	public void onEvent(Event<?> event) {
-		System.getLogger(addr.toString()).log(System.Logger.Level.INFO,"adding event to queue of {1}: {0}",event.eventType(),addr);
+		log.log(System.Logger.Level.INFO,"adding event to queue of {1}: {0}",event.eventType(),addr);
 		add(event);
 	}
 }