ENH: new function to stop processing (WIP)

Modules/Wrappers/ApplicationEngine/include/otbWrapperApplication.h

@@ -154,6 +154,9 @@ public:
    */
   int ExecuteAndWriteOutput();
 
+  /** Request the application to stop its processing */
+  void Stop();
+
   /* Get the internal application parameters
    *
    * WARNING: this method may disappear from the API */

Modules/Wrappers/ApplicationEngine/src/otbWrapperApplication.cxx

@@ -523,6 +523,14 @@ int Application::ExecuteAndWriteOutput()
   return status;
 }
 
+void
+Application::Stop()
+{
+  // TODO :  call AbortGenerateData on ProcessObjects (but no mutex)
+  // TODO : set an internal AbortExecute flag with mutex
+  std::cout << "Stop !" << std::endl;
+}
+
 /* Enable the use of an optional parameter. Returns the previous state */
 void Application::EnableParameter(std::string paramKey)
 {