diff --git a/jsprit-core/src/main/java/jsprit/core/algorithm/recreate/JobInsertionCostsCalculatorLight.java b/jsprit-core/src/main/java/jsprit/core/algorithm/recreate/JobInsertionCostsCalculatorLight.java
new file mode 100644
index 00000000..65353e1a
--- /dev/null
+++ b/jsprit-core/src/main/java/jsprit/core/algorithm/recreate/JobInsertionCostsCalculatorLight.java
@@ -0,0 +1,27 @@
+/*******************************************************************************
+ * Copyright (C) 2014  Stefan Schroeder
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 3.0 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public 
+ * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ ******************************************************************************/
+package jsprit.core.algorithm.recreate;
+
+import jsprit.core.problem.job.Job;
+import jsprit.core.problem.solution.route.VehicleRoute;
+
+
+public interface JobInsertionCostsCalculatorLight {
+
+   public InsertionData getInsertionData(Job unassignedJob, VehicleRoute route, double bestKnownCosts);
+
+}
diff --git a/jsprit-core/src/main/java/jsprit/core/algorithm/recreate/JobInsertionCostsCalculatorFactory.java b/jsprit-core/src/main/java/jsprit/core/algorithm/recreate/JobInsertionCostsCalculatorLightFactory.java
similarity index 72%
rename from jsprit-core/src/main/java/jsprit/core/algorithm/recreate/JobInsertionCostsCalculatorFactory.java
rename to jsprit-core/src/main/java/jsprit/core/algorithm/recreate/JobInsertionCostsCalculatorLightFactory.java
index a4140595..6884dad0 100644
--- a/jsprit-core/src/main/java/jsprit/core/algorithm/recreate/JobInsertionCostsCalculatorFactory.java
+++ b/jsprit-core/src/main/java/jsprit/core/algorithm/recreate/JobInsertionCostsCalculatorLightFactory.java
@@ -22,6 +22,8 @@ import jsprit.core.algorithm.recreate.listener.InsertionListener;
 import jsprit.core.algorithm.state.StateManager;
 import jsprit.core.problem.VehicleRoutingProblem;
 import jsprit.core.problem.constraint.ConstraintManager;
+import jsprit.core.problem.job.Job;
+import jsprit.core.problem.solution.route.VehicleRoute;
 import jsprit.core.problem.vehicle.VehicleFleetManager;
 
 import java.util.ArrayList;
@@ -30,7 +32,7 @@ import java.util.List;
 /**
  * Created by schroeder on 11.12.14.
  */
-public class JobInsertionCostsCalculatorFactory {
+public class JobInsertionCostsCalculatorLightFactory {
 
     /**
      * Returns standard insertion calculator, i.e. the calculator that identifies best insertion positions for the
@@ -42,13 +44,20 @@ public class JobInsertionCostsCalculatorFactory {
      * @param constraintManager constraint manager
      * @return insertion calculator
      */
-    public static JobInsertionCostsCalculator createStandardCalculator(VehicleRoutingProblem vrp, VehicleFleetManager fleetManager, StateManager stateManager, ConstraintManager constraintManager){
+    public static JobInsertionCostsCalculatorLight createStandardCalculator(VehicleRoutingProblem vrp, VehicleFleetManager fleetManager, StateManager stateManager, ConstraintManager constraintManager){
         List<VehicleRoutingAlgorithmListeners.PrioritizedVRAListener> al = new ArrayList<VehicleRoutingAlgorithmListeners.PrioritizedVRAListener>();
         List<InsertionListener> il = new ArrayList<InsertionListener>();
         JobInsertionCostsCalculatorBuilder builder = new JobInsertionCostsCalculatorBuilder(il,al);
         builder.setVehicleRoutingProblem(vrp).setConstraintManager(constraintManager).setStateManager(stateManager).setVehicleFleetManager(fleetManager);
-        JobInsertionCostsCalculator calculator = builder.build();
-        return calculator;
+        final JobInsertionCostsCalculator calculator = builder.build();
+        return new JobInsertionCostsCalculatorLight() {
+
+            @Override
+            public InsertionData getInsertionData(Job unassignedJob, VehicleRoute route, double bestKnownCosts) {
+                return calculator.getInsertionData(route,unassignedJob,AbstractInsertionStrategy.NO_NEW_VEHICLE_YET,AbstractInsertionStrategy.NO_NEW_DEPARTURE_TIME_YET,AbstractInsertionStrategy.NO_NEW_DRIVER_YET,bestKnownCosts);
+            }
+
+        };
     }
 
 }