-/*=========================================================================
-
+/*=========================================================================
Program: bbtk
Module: $RCSfile: bbtkConnection.h,v $
Language: C++
- Date: $Date: 2008/04/18 12:59:15 $
- Version: $Revision: 1.6 $
-
- Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
- l'Image). All rights reserved. See doc/license.txt or
- http://www.creatis.insa-lyon.fr/Public/bbtk/License.html for details.
-
- This software is distributed WITHOUT ANY WARRANTY; without even
- the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
- PURPOSE. See the above copyright notices for more information.
-
+ Date: $Date: 2008/12/11 09:50:35 $
+ Version: $Revision: 1.11 $
=========================================================================*/
+
+/* ---------------------------------------------------------------------
+
+* 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.
+* ------------------------------------------------------------------------ */
+
/**
*\file
*\brief Class bbtk::Connection
class BlackBoxInputConnector;
class BlackBoxOutputConnector;
- ///
- typedef int IOStatus;
- ///
- const int MODIFIED = 0;
- ///
- const int UPTODATE = 1;
- ///
- const int UPDATING = 2;
+ /// The type of input / output status
+ typedef unsigned char IOStatus;
+ /// Up-to-date status value
+ const IOStatus UPTODATE = 0;
+ /// Modified status value
+ const IOStatus MODIFIED = 1;
+ /// Out-of-date status value
+ const IOStatus OUTOFDATE = 2;
+
+ const std::string& GetIOStatusString( IOStatus );
class BBTK_EXPORT Connection : public Object
static Pointer New(BlackBoxPointer from, const std::string& output,
BlackBoxPointer to, const std::string& input,
const FactoryPointer f);
+ static Pointer New(BlackBoxPointer from, const std::string& output,
+ BlackBoxPointer to, const std::string& input);
/// Dtor
// ~Connection();
// void Delete();
- /// Amont direction pipeline processing
- /// 1) call bbBackwardUpdate(this) on the upstream box
- /// 2) copies the upstream box output to the downstream box input adapting it if needed
- virtual IOStatus BackwardUpdate();
-
- /// Aval direction pipeline processing :
- /// 1) copies the upstream box output to the downstream box input adapting it if needed
- /// 2) call bbForwardUpdate(this) on the downstream box
- // virtual void ForwardUpdate();
+ /// Pipeline processing method
+ /// 1) call bbRecursiveExecute(this) on the from box
+ /// 2) copies the from box output to the to box input
+ /// adapting it if needed
+ /// 3) sets the new IOStatus of the to box input to the
+ /// status of the from box output
+ void RecursiveExecute();
+
+ /// Change callback
+ void OnOutputChange(BlackBoxPointer, const std::string&,
+ IOStatus);
- virtual void SetModifiedStatus();
std::string GetFullName() const;
/// Returns the original initial black box of the connection
Connection(BlackBoxPointer from, const std::string& output,
BlackBoxPointer to, const std::string& input,
const FactoryPointer f);
+ /// Ctor
+ Connection(BlackBoxPointer from, const std::string& output,
+ BlackBoxPointer to, const std::string& input);
};