made attribute ns3::LteHelper::SchedulerType gettable

src/lte/helper/lte-helper.cc

@@ -142,7 +142,7 @@ TypeId LteHelper::GetTypeId (void)
                    "The allowed values for this attributes are the type names "
                    "of any class inheriting from ns3::FfMacScheduler.",
                    StringValue ("ns3::PfFfMacScheduler"),
-                   MakeStringAccessor (&LteHelper::SetSchedulerType),
+                   MakeStringAccessor (&LteHelper::SetSchedulerType, &LteHelper::GetSchedulerType),
                    MakeStringChecker ())
     .AddAttribute ("PathlossModel",
                    "The type of pathloss model to be used. "
@@ -194,6 +194,12 @@ LteHelper::SetSchedulerType (std::string type)
   m_schedulerFactory.SetTypeId (type);
 }
 
+std::string
+LteHelper::GetSchedulerType () const
+{
+  return m_schedulerFactory.GetTypeId ().GetName ();
+} 
+
 void 
 LteHelper::SetSchedulerAttribute (std::string n, const AttributeValue &v)
 {

src/lte/helper/lte-helper.h

@@ -98,6 +98,12 @@ public:
    */
   void SetSchedulerType (std::string type);
 
+  /**
+   *
+   * \return the scheduler type
+   */
+  std::string GetSchedulerType () const; 
+
   /**
    * set an attribute for the scheduler to be created
    *