X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=lib%2FcpPlugins%2FInterface%2FProcessObject.cxx;h=72897d6729a615ca3368a85a62c434297e8063cf;hb=6ffc11d77924d6ab7e94db95d41105982ac73e00;hp=809ef35c5dd91584beb59021dda536ea047ed088;hpb=bf4172934768034696b1c4b993b7e92e3808e083;p=cpPlugins.git

diff --git a/lib/cpPlugins/Interface/ProcessObject.cxx b/lib/cpPlugins/Interface/ProcessObject.cxx
index 809ef35..72897d6 100644
--- a/lib/cpPlugins/Interface/ProcessObject.cxx
+++ b/lib/cpPlugins/Interface/ProcessObject.cxx
@@ -7,6 +7,20 @@
 #include <cpPlugins/Interface/SimpleMPRWidget.h>
 #endif // cpPlugins_Interface_QT4
 
+// -------------------------------------------------------------------------
+void cpPlugins::Interface::ProcessObject::
+SetITK( itk::LightObject* o )
+{
+  // Polymorphism: do nothing -> this is a filter!!!
+}
+
+// -------------------------------------------------------------------------
+void cpPlugins::Interface::ProcessObject::
+SetVTK( vtkObjectBase* o )
+{
+  // Polymorphism: do nothing -> this is a filter!!!
+}
+
 // -------------------------------------------------------------------------
 std::set< std::string > cpPlugins::Interface::ProcessObject::
 GetInputsNames( ) const
@@ -138,7 +152,14 @@ Update( )
   bool need_to_update = false;
   for( ; i != this->m_Inputs.end( ) && r == ""; ++i )
   {
-    if( i->second.IsValid( ) )
+    bool iv = i->second.IsValid( );
+    bool ir = i->second.IsRequired( );
+    if( !iv && ir )
+      r =
+        "ProcessObject: Required input \"" +
+        i->first + "@" + this->GetClassName( ) +
+        "\" is not valid (=NULL).";
+    if( iv && r == "" )
     {
       Self* src = dynamic_cast< Self* >( i->second->GetSource( ) );
       if( src != NULL )