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[bbtk.git] / packages / std / src / bbstdSharedMemory.cxx

diff --git a/packages/std/src/bbstdSharedMemory.cxx b/packages/std/src/bbstdSharedMemory.cxx
new file mode 100644 (file)
index 0000000..778e4c1
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+++ b/packages/std/src/bbstdSharedMemory.cxx
@@ -0,0 +1,86 @@
+/*=========================================================================                                                                               
+  Program:   bbtk
+  Module:    $RCSfile: bbstdSharedMemory.cxx,v $
+  Language:  C++
+  Date:      $Date: 2009/06/08 14:50:06 $
+  Version:   $Revision: 1.1 $
+=========================================================================*/
+
+/* ---------------------------------------------------------------------
+
+* Copyright (c) CREATIS-LRMN (Centre de Recherche en Imagerie Medicale)
+* Authors : Eduardo Davila, Laurent Guigues, Jean-Pierre Roux
+*
+*  This software is governed by the CeCILL-B license under French law and 
+*  abiding by the rules of distribution of free software. You can  use, 
+*  modify and/ or redistribute the software under the terms of the CeCILL-B 
+*  license as circulated by CEA, CNRS and INRIA at the following URL 
+*  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html 
+*  or in the file LICENSE.txt.
+*
+*  As a counterpart to the access to the source code and  rights to copy,
+*  modify and redistribute granted by the license, users are provided only
+*  with a limited warranty  and the software's author,  the holder of the
+*  economic rights,  and the successive licensors  have only  limited
+*  liability. 
+*
+*  The fact that you are presently reading this means that you have had
+*  knowledge of the CeCILL-B license and that you accept its terms.
+* ------------------------------------------------------------------------ */                                                                         
+
+
+#include "bbstdSharedMemory.h"
+#include "bbstdPackage.h"
+#include "bbtkBlackBoxOutputConnector.h"
+using namespace bbtk;
+
+namespace bbstd
+{
+
+  void SharedMemory::bbSetStatusAndPropagate(bbtk::BlackBoxInputConnector* c,
+                                        bbtk::IOStatus s)
+  {
+    bbtkDebugMessageInc("change",5,
+                       "=> SharedMemory::bbSetStatusAndPropagate(input,"
+                       <<GetIOStatusString(s)<<") ["
+                       <<bbGetFullName()<<"]"<<std::endl);
+   if (mCanSet)
+      {
+       bbtkDebugMessageInc("change",5,"Memory writable"<<std::endl);
+       if (c->IsConnected())
+         {
+           bbtkDebugMessageInc("change",5,"Input connected"<<std::endl);
+           // Transfer the data from the black box connected to the input
+           // which changed
+           c->GetConnection()->TransferData();
+           // Get the name of the input which changed
+           std::string input_name = c->GetConnection()->GetBlackBoxToInput();
+           // Set the output to the value of the input which changed
+           bbSetOutputOut( bbGetInput(input_name) );   
+         }
+       // No more change allowed
+       mCanSet = false;
+      }
+   BlackBox::bbSetStatusAndPropagate(c,s);
+  }
+
+  void SharedMemory::bbUserSetDefaultValues()
+  {
+    mCanSet = true;
+  }
+  void SharedMemory::bbUserInitializeProcessing() 
+  { 
+  }
+  void  SharedMemory::bbUserFinalizeProcessing() 
+  {
+  }
+  void SharedMemory::DoProcess()
+  { 
+    mCanSet = true;
+  }
+
+  BBTK_ADD_BLACK_BOX_TO_PACKAGE(std,SharedMemory);
+  BBTK_BLACK_BOX_IMPLEMENTATION(SharedMemory,bbtk::AtomicBlackBox);
+  
+}
+// EO namespace bbstd