Make simulate method of IFastCaloSimParamSvc const

Simulation/ISF/ISF_FastCaloSim/ISF_FastCaloSimServices/src/FastCaloSimV2ParamSvc.cxx

@@ -88,7 +88,7 @@ StatusCode ISF::FastCaloSimV2ParamSvc::initialize()
 }
 
 /** Simulation Call */
-StatusCode ISF::FastCaloSimV2ParamSvc::simulate(TFCSSimulationState& simulstate,const TFCSTruthState* truth, const TFCSExtrapolationState* extrapol)
+StatusCode ISF::FastCaloSimV2ParamSvc::simulate(TFCSSimulationState& simulstate,const TFCSTruthState* truth, const TFCSExtrapolationState* extrapol) const
 {
   FCSReturnCode status = m_param->simulate(simulstate, truth, extrapol);
   if (status != FCSSuccess) {

Simulation/ISF/ISF_FastCaloSim/ISF_FastCaloSimServices/src/FastCaloSimV2ParamSvc.h

@@ -29,7 +29,7 @@ namespace ISF {
     virtual StatusCode  initialize() override final;
 
     /** Simulation Call */
-    StatusCode simulate(TFCSSimulationState& simulstate,const TFCSTruthState* truth, const TFCSExtrapolationState* extrapol);
+    virtual StatusCode simulate(TFCSSimulationState& simulstate,const TFCSTruthState* truth, const TFCSExtrapolationState* extrapol) const override final;
 
   private:
 

Simulation/ISF/ISF_FastCaloSim/ISF_FastCaloSimServices/src/IFastCaloSimParamSvc.h

@@ -20,7 +20,7 @@ namespace ISF {
     virtual ~IFastCaloSimParamSvc() = default;
 
     /** Simulation Call */
-    virtual StatusCode simulate(TFCSSimulationState& simulstate,const TFCSTruthState* truth, const TFCSExtrapolationState* extrapol) = 0;
+    virtual StatusCode simulate(TFCSSimulationState& simulstate,const TFCSTruthState* truth, const TFCSExtrapolationState* extrapol) const = 0;
   };
 
 }