diff --git a/hurricane/src/hurricane/NetExternalComponents.cpp b/hurricane/src/hurricane/NetExternalComponents.cpp
index 0b807fce..2c00288e 100644
--- a/hurricane/src/hurricane/NetExternalComponents.cpp
+++ b/hurricane/src/hurricane/NetExternalComponents.cpp
@@ -30,7 +30,7 @@ static StandardRelation* getExternalComponentsRelation(const Net* net) {
     }
 }
 
-Components getExternalComponents(const Net* net) {
+Components NetExternalComponents::get(const Net* net) {
     if (!net->isExternal())
         throw Error("Impossible to retrieve external components on non external net "
                 + net->getName()._getString());
@@ -41,7 +41,7 @@ Components getExternalComponents(const Net* net) {
     return externalComponentsRelation->getSlaveOwners().getSubSet<Component*>();
 }
 
-void setExternal(Component* component) {
+void NetExternalComponents::setExternal(Component* component) {
     Net* net = component->getNet();
     if (!net->isExternal())
         throw Error("Impossible to set as external a component member of non external net "
diff --git a/hurricane/src/hurricane/RoutingPad.cpp b/hurricane/src/hurricane/RoutingPad.cpp
index 821f847b..48e7990d 100644
--- a/hurricane/src/hurricane/RoutingPad.cpp
+++ b/hurricane/src/hurricane/RoutingPad.cpp
@@ -341,7 +341,7 @@ RoutingPad* createRoutingPad ( Net* net, Occurrence plugOccurrence )
     Component*      bestComponent  = NULL;
     Plug* plug = static_cast<Plug*>(plugOccurrence.getEntity());
 
-    for_each_component ( component, getExternalComponents(plug->getMasterNet()) ) {
+    for_each_component (component, NetExternalComponents::get(plug->getMasterNet()) ) {
       if ( !bestComponent ) { bestComponent = component; continue; }
       if ( /*    IsOnTop(component->getLayer(),bestComponent->getLayer())
            ||*/ ( getArea(component) > getArea(bestComponent) ) ) {
diff --git a/hurricane/src/hurricane/hurricane/NetExternalComponents.h b/hurricane/src/hurricane/hurricane/NetExternalComponents.h
index fba50ec4..7dc8435d 100644
--- a/hurricane/src/hurricane/hurricane/NetExternalComponents.h
+++ b/hurricane/src/hurricane/hurricane/NetExternalComponents.h
@@ -15,10 +15,11 @@
 
 namespace Hurricane {
 
-Components getExternalComponents(const Net* net);
-
-void setExternal(Component* component);
-
+class NetExternalComponents {
+    public:
+        static Components get(const Net* net);
+        static void setExternal(Component* component);
+};
 
 } // End of Hurricane namespace.
 
diff --git a/hurricane/src/isobar/PyHurricane.cpp b/hurricane/src/isobar/PyHurricane.cpp
index 5cf4023f..15503216 100644
--- a/hurricane/src/isobar/PyHurricane.cpp
+++ b/hurricane/src/isobar/PyHurricane.cpp
@@ -506,7 +506,7 @@ extern "C" {
 
     HTRY
 
-    Components components = getExternalComponents ( PYNET_O ( arg0 ) );
+    Components components = NetExternalComponents::get( PYNET_O ( arg0 ) );
 
     pyComponentLocator = PyObject_NEW ( PyComponentLocator, &PyTypeComponentLocator );
     if (pyComponentLocator == NULL) { return NULL; }
diff --git a/hurricane/src/isobar/PyNet.cpp b/hurricane/src/isobar/PyNet.cpp
index 8c7f145a..38338e3b 100644
--- a/hurricane/src/isobar/PyNet.cpp
+++ b/hurricane/src/isobar/PyNet.cpp
@@ -327,7 +327,7 @@ extern "C" {
 
     METHOD_HEAD ( "Net.getExternalcomponentsLocator()" )
 
-    Components externalComponents = getExternalComponents(net);
+    Components externalComponents = NetExternalComponents::get(net);
 
     PyComponentLocator* pyExternalComponentsLocator = PyObject_NEW ( PyComponentLocator, &PyTypeComponentLocator );
     if (pyExternalComponentsLocator == NULL) { return NULL; }