[527469] Fixed compile error in CPS

Change-Id: Ie987e9059dd1fdc2e325d4f14e59dc6354d8dd4b
diff --git a/cps/transformations/org.eclipse.viatra.examples.cps.xform.m2m.launcher/src/org/eclipse/viatra/examples/cps/xform/m2m/launcher/TransformationType.java b/cps/transformations/org.eclipse.viatra.examples.cps.xform.m2m.launcher/src/org/eclipse/viatra/examples/cps/xform/m2m/launcher/TransformationType.java
index ed89dfb..7ceca37 100644
--- a/cps/transformations/org.eclipse.viatra.examples.cps.xform.m2m.launcher/src/org/eclipse/viatra/examples/cps/xform/m2m/launcher/TransformationType.java
+++ b/cps/transformations/org.eclipse.viatra.examples.cps.xform.m2m.launcher/src/org/eclipse/viatra/examples/cps/xform/m2m/launcher/TransformationType.java
@@ -24,6 +24,8 @@
 import org.eclipse.viatra.query.runtime.localsearch.planner.cost.impl.StatisticsBasedConstraintCostFunction;
 import org.eclipse.viatra.query.runtime.matchers.backend.QueryEvaluationHint;
 import org.eclipse.viatra.query.runtime.matchers.context.IInputKey;
+import org.eclipse.viatra.query.runtime.matchers.tuple.TupleMask;
+import org.eclipse.viatra.query.runtime.matchers.tuple.Tuples;
 import org.eclipse.viatra.query.runtime.rete.matcher.ReteBackendFactory;
 
 import com.google.common.collect.Maps;
@@ -108,10 +110,10 @@
                 }
             }
             if (substitutions.containsKey(supplierKey)){
-                return input.getRuntimeContext().countTuples(substitutions.get(supplierKey), null);
+                return input.getRuntimeContext().countTuples(substitutions.get(supplierKey), TupleMask.empty(supplierKey.getArity()), Tuples.staticArityFlatTupleOf());
             }
             
-            return input.getRuntimeContext().countTuples(supplierKey, null);
+            return input.getRuntimeContext().countTuples(supplierKey, TupleMask.empty(supplierKey.getArity()), Tuples.staticArityFlatTupleOf());
         }
     }