From c5a71b9b458ccc5ef337e6b06585564402a1400f Mon Sep 17 00:00:00 2001
From: Kai Martins-Turner <martins-turner@vsp.tu-berlin.de>
Date: Tue, 23 Jan 2024 16:32:55 +0100
Subject: [PATCH] limit number of warnings

---
 .../freight/logistics/LSPControlerListener.java    | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/src/main/java/org/matsim/freight/logistics/LSPControlerListener.java b/src/main/java/org/matsim/freight/logistics/LSPControlerListener.java
index 01954cdf..86d0860d 100644
--- a/src/main/java/org/matsim/freight/logistics/LSPControlerListener.java
+++ b/src/main/java/org/matsim/freight/logistics/LSPControlerListener.java
@@ -33,6 +33,7 @@
 import org.matsim.core.controler.events.*;
 import org.matsim.core.controler.listener.*;
 import org.matsim.core.events.handler.EventHandler;
+import org.matsim.core.gbl.Gbl;
 import org.matsim.freight.carriers.Carrier;
 import org.matsim.freight.carriers.CarrierPlanWriter;
 import org.matsim.freight.carriers.Carriers;
@@ -53,6 +54,9 @@ class LSPControlerListener
   private final Scenario scenario;
   private final List<EventHandler> registeredHandlers = new ArrayList<>();
 
+  private static int addListenerCnt = 0;
+  private  static final int maxAddListenerCnt = 1;
+
   @Inject private EventsManager eventsManager;
   @Inject private MatsimServices matsimServices;
   @Inject private LSPScorerFactory lspScoringFunctionFactory;
@@ -60,6 +64,7 @@ class LSPControlerListener
   @Inject private OutputDirectoryHierarchy controlerIO;
   @Inject private CarrierAgentTracker carrierAgentTracker;
 
+
   @Inject
   LSPControlerListener(Scenario scenario) {
     this.scenario = scenario;
@@ -109,15 +114,20 @@ private void registerSimulationTrackers(HasSimulationTrackers<?> hasSimulationTr
         hasSimulationTrackers.getSimulationTrackers()) {
       // ... register them ...
       if (!registeredHandlers.contains(simulationTracker)) {
-        log.warn("adding eventsHandler: " + simulationTracker);
+        log.info("adding eventsHandler: " + simulationTracker);
         eventsManager.addHandler(simulationTracker);
         registeredHandlers.add(simulationTracker);
         matsimServices.addControlerListener(simulationTracker);
         simulationTracker.setEventsManager(eventsManager);
-      } else {
+      } else if ( addListenerCnt < maxAddListenerCnt ){
         log.warn("not adding eventsHandler since already added: " + simulationTracker);
+        addListenerCnt++;
+        if (addListenerCnt == maxAddListenerCnt) {
+          log.warn(Gbl.FUTURE_SUPPRESSED);
+        }
       }
     }
+
   }
 
   @Override