public void homePoiCategoryVCE(ValueChangeEvent vce) {
        try {
            AppModuleImpl am = (AppModuleImpl)ADFUtils.getApplicationModuleForDataControl("AppModuleDataControl");
            String procedure = "of_owner.p_poi.setIsHomePoiCategoryFlag(?,?)";
            String stmt = "begin " + procedure + "; end;";
            CallableStatement st = am.getDBTransaction().createCallableStatement(stmt, 0);
            Integer oldValue = (Integer)vce.getOldValue();
            Integer newValue = (Integer)vce.getNewValue();
            st.setInt(1, oldValue);
            st.setInt(2, newValue);
            st.executeUpdate();
        } catch (Exception e) {
            log.error("Error with execution of p_poi.setIsHomePoiCategoryFlag(?,?)", e);
        }
    }