Updated copyright comment

[modules/yacs.git] / src / engine / DataPort.cxx

diff --git a/src/engine/DataPort.cxx b/src/engine/DataPort.cxx
index 1c12fb73f44548454fa17b7191116aa57b5e40c4..911123e7d02e22ffcb6d07bdb3ab38175f1bc02e 100644 (file)
--- a/src/engine/DataPort.cxx
+++ b/src/engine/DataPort.cxx
@@ -1,3 +1,22 @@
+// Copyright (C) 2006-2024  CEA, EDF
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
 #include "DataPort.hxx"
 #include "TypeCode.hxx"
 #include <iostream>
@@ -9,17 +28,20 @@ const char DataPort::NAME[]="DataPort";
 
 DataPort::~DataPort()
 {
-  _type->decrRef();
+  if(_type)
+    _type->decrRef();
 }
 
 DataPort::DataPort(const std::string& name, Node *node, TypeCode* type):Port(node),_name(name),_type(type)
 {
-  _type->incrRef();
+  if(_type)
+       _type->incrRef();
 }
 
 DataPort::DataPort(const DataPort& other, Node *newHelder):Port(other,newHelder),_name(other._name),_type(other._type)
 {
-  _type->incrRef();
+  if(_type)
+       _type->incrRef();
 }
 
 void DataPort::edSetType(TypeCode* type)
@@ -54,3 +76,12 @@ DataPort *DataPort::isCrossingType(const std::vector<DataPort *>& historyOfLink)
       return *iter;
   return 0;
 }
+
+//! returns port value as a string that can be used in a GUI for example
+/*!
+ * Do nothing here. To subclass
+ */
+std::string DataPort::getAsString()
+{
+  return "";
+}