Add className static members in classes Handle and AxialHandle.

include/hpp/manipulation/axial-handle.hh

@@ -32,6 +32,7 @@ namespace hpp {
     class HPP_MANIPULATION_DLLAPI AxialHandle : public Handle
     {
     public:
+      static std::string className;
       /// Create constraint corresponding to a gripper grasping this object
       /// \param robot the robot that grasps the handle,
       /// \param grasp object containing the grasp information

include/hpp/manipulation/handle.hh

@@ -31,6 +31,7 @@ namespace hpp {
     class HPP_MANIPULATION_DLLAPI Handle
     {
     public:
+      static std::string className;
       virtual ~Handle () {};
 
       /// Create constraint corresponding to a gripper grasping this object

src/axial-handle.cc

@@ -30,6 +30,7 @@
 
 namespace hpp {
   namespace manipulation {
+    std::string AxialHandle::className ("AxialHandle");
     static const matrix3_t I3 = matrix3_t::Identity();
 
     AxialHandlePtr_t AxialHandle::create (const std::string& name,

src/handle.cc

@@ -37,6 +37,7 @@
 
 namespace hpp {
   namespace manipulation {
+    std::string Handle::className ("Handle");
     namespace {
       static const matrix3_t I3 = matrix3_t::Identity();