X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=kernel%2Fsrc%2FbbtkConnection.cxx;h=e6ee23851e7288d08e4cfc37a460528bb797867d;hb=3dcc408acd2264664ca6431a501378ea64233dd6;hp=8d60b38699afa0f73b65fa34d6243c95155a5d09;hpb=372f03317f05d4a436b0f9c39b98558ec4810b78;p=bbtk.git

diff --git a/kernel/src/bbtkConnection.cxx b/kernel/src/bbtkConnection.cxx
index 8d60b38..e6ee238 100644
--- a/kernel/src/bbtkConnection.cxx
+++ b/kernel/src/bbtkConnection.cxx
@@ -1,20 +1,40 @@
+/*
+ # ---------------------------------------------------------------------
+ #
+ # Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image
+ #                        pour la SantÈ)
+ # Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton
+ # Previous Authors : Laurent Guigues, Jean-Pierre Roux
+ # CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil
+ #
+ #  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.
+ # ------------------------------------------------------------------------ */
+
+
 /*=========================================================================
-                                                                                
   Program:   bbtk
   Module:    $RCSfile: bbtkConnection.cxx,v $
   Language:  C++
-  Date:      $Date: 2008/03/18 12:51:26 $
-  Version:   $Revision: 1.4 $
-                                                                                
-  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: 2012/11/16 08:49:01 $
+  Version:   $Revision: 1.22 $
 =========================================================================*/
+
+                                                                        
+
 /**
  *\file
  *\brief Class bbtk::Connection
@@ -24,30 +44,63 @@
 #include "bbtkFactory.h"
 #include "bbtkBlackBox.h"
 #include "bbtkMessageManager.h"
+#include "bbtkBlackBoxOutputConnector.h"
+
+#define bbtkCMessage(key,level,mess) \
+  bbtkMessage(key,level,"["<<GetFullName()<<"] "<<mess)
+#define bbtkCDebugMessage(key,level,mess)	\
+  bbtkDebugMessage(key,level,"["<<GetFullName()<<"] "<<mess)
 
 namespace bbtk
 {
+  const std::string IOSTATUS_STRING[3] = 
+    {"Up-to-date","Modified","Out-of-date"}; 
   
+  const std::string& GetIOStatusString(IOStatus s)
+  { return IOSTATUS_STRING[s]; }
+
+  //==================================================================
+  Connection::Pointer Connection::New(BlackBox::Pointer from, 
+				      const std::string& output,
+				      BlackBox::Pointer to, 
+				      const std::string& input ,
+				      const Factory::Pointer f  )
+  {
+    bbtkDebugMessage("object",1,"##> Connection(\""
+		     <<from->bbGetName()<<"\",\""<<output<<"\",\""
+		     <<to->bbGetName()<<"\",\""<<input<<"\")"
+		     <<std::endl);
+    Connection::Pointer p = 
+      MakePointer(new Connection(from,output,to,input,f));
+    bbtkDebugMessage("object",1,"<## Connection(\""
+		     <<from->bbGetName()<<"\",\""<<output<<"\",\""
+		     <<to->bbGetName()<<"\",\""<<input<<"\")"
+		     <<std::endl);
+    return p;
+  }
+  //==================================================================
+
   //==================================================================
   /// Ctor with the black box from and to and their input and output.
 /// Check the input and output compatibility
-  Connection::Connection(BlackBox* from, const std::string& output,
-			 BlackBox* to, const std::string& input ,
-			 const Factory* f  )
-    : mAdaptor(0),
+Connection::Connection(BlackBox::Pointer from, const std::string& output,
+		       BlackBox::Pointer to, const std::string& input ,
+		       const Factory::Pointer f  )
+    : mAdaptor(),
       mFactory(f),
       mFromAny(false),
       mToAny(false)
   {
-    bbtkDebugMessageInc("Kernel",7,"Connection::Connection(\""
-			<<from->bbGetName()<<"\",\""<<output<<"\",\""
-			<<to->bbGetName()<<"\",\""<<input<<"\")"
-			<<std::endl);    
+    bbtkDebugMessage("object",2,"==> Connection(\""
+		     <<from->bbGetName()<<"\",\""<<output<<"\",\""
+		     <<to->bbGetName()<<"\",\""<<input<<"\")"
+		     <<std::endl);    
+
+    bbtkDebugMessage("connection",1,"==> Connection(\""
+		     <<from->bbGetName()<<"\",\""<<output<<"\",\""
+		     <<to->bbGetName()<<"\",\""<<input<<"\")"
+		     <<std::endl);    
 
-    mFrom = from;
-    mTo = to;
-    mInput = input;
-    mOutput = output;
     
 
     if (! from->bbHasOutput(output) )
@@ -75,9 +128,7 @@ namespace bbtk
       {
 	if ( from->bbGetOutputType(output) == typeid(Data) )
 	  {
-	    bbtkWarning("Connection '"
-			<<GetFullName()
-			<<"' : '"<<from->bbGetName()<<"."<<output
+	    bbtkWarning("Connection: '"<<from->bbGetName()<<"."<<output
 			<<"' is of type <"
 			<<HumanTypeName<Data>()
 			<<"> : type compatibility with '"
@@ -88,7 +139,7 @@ namespace bbtk
 	  }
 	else if (  to->bbGetInputType(input) == typeid(Data) )
 	  {   
-	    bbtkDebugMessage("Kernel",8," -> '"<<input<<"' type is "
+	    bbtkDebugMessage("kernel",8," -> '"<<input<<"' type is "
 			     <<TypeName<Data>()<<" : can receive any data"
 			     <<std::endl);
 	    mToAny = true;
@@ -99,9 +150,10 @@ namespace bbtk
 	    std::string name;
 	    name = from->bbGetName() + "." + output + "-" 
 	      + to->bbGetName() + "." + input; 
-	    mAdaptor = mFactory->NewAdaptor(from->bbGetOutputType(output),
-				  to->bbGetInputType(input),
-				  name);
+	    mAdaptor = mFactory.lock()
+	      ->NewAdaptor(from->bbGetOutputType(output),
+			   to->bbGetInputType(input),
+			   name);
 	    if (!mAdaptor)  
 	      {  
 		bbtkError("did not find any <"
@@ -113,80 +165,245 @@ namespace bbtk
 	  }
       }
 
-     // 
+
+    mFrom 			= from;
+    mOriginalFrom 	= from;
+    mTo 			= to;
+    mOriginalTo 	= to;
+    mInput 			= mOriginalInput 	= input;
+    mOutput 		= mOriginalOutput 	= output;
+
+     // Lock this pointer !!!
+    //Pointer p = MakePointer(this,true);
     from->bbConnectOutput(output,this);
     to->bbConnectInput(input,this);
+ 
+    from->bbGetOutputConnector(output).AddChangeObserver(boost::bind(&bbtk::Connection::OnOutputChange,this, _1, _2, _3));
+
     
-    bbtkDebugDecTab("Kernel",7);
-  }
+    bbtkDebugMessage("connection",1,"<== Connection(\""
+		     <<from->bbGetName()<<"\",\""<<output<<"\",\""
+		     <<to->bbGetName()<<"\",\""<<input<<"\")"
+		     <<std::endl);    
 
+    bbtkDebugMessage("object",2,"<== Connection(\""
+		     <<from->bbGetName()<<"\",\""<<output<<"\",\""
+		     <<to->bbGetName()<<"\",\""<<input<<"\")"
+		     <<std::endl);    
+  }
+ //==================================================================
+ 
   //==================================================================
-  
-  
-  //==================================================================
-  /// Dtor 
-  Connection::~Connection()
+  Connection::Pointer Connection::New(BlackBox::Pointer from, 
+				      const std::string& output,
+				      BlackBox::Pointer to, 
+				      const std::string& input )
   {
-    bbtkDebugMessageInc("Kernel",7,
-			"Connection::~Connection() ["
-			<<GetFullName()<<"]"<<std::endl);
-
-    mFrom->bbDisconnectOutput(mOutput,this);
-    mTo->bbDisconnectInput(mInput,this);
-    if (mAdaptor) mAdaptor->bbDelete();
-
-    bbtkDebugDecTab("Kernel",7);
+    bbtkDebugMessage("object",1,"##> Connection(\""
+		     <<from->bbGetName()<<"\",\""<<output<<"\",\""
+		     <<to->bbGetName()<<"\",\""<<input<<"\")"
+		     <<std::endl);
+    Connection::Pointer p = 
+      MakePointer(new Connection(from,output,to,input));
+    bbtkDebugMessage("object",1,"<## Connection(\""
+		     <<from->bbGetName()<<"\",\""<<output<<"\",\""
+		     <<to->bbGetName()<<"\",\""<<input<<"\")"
+		     <<std::endl);
+    return p;
   }
   //==================================================================
-  
+
   //==================================================================
-  /// Backward Update
-  IOStatus Connection::BackwardUpdate()
+  /// Ctor with the black box from and to and their input and output.
+/// Check the input and output compatibility
+Connection::Connection(BlackBox::Pointer from, const std::string& output,
+		       BlackBox::Pointer to, const std::string& input )
+  : mAdaptor(),
+      mFactory(),
+      mFromAny(false),
+      mToAny(false)
   {
-    bbtkDebugMessageInc("Process",2,
-			"Connection::BackwardUpdate() ["
-			<<GetFullName()<<"]"<<std::endl);
+    bbtkDebugMessage("object",2,"==> Connection(\""
+		     <<from->bbGetName()<<"\",\""<<output<<"\",\""
+		     <<to->bbGetName()<<"\",\""<<input<<"\")"
+		     <<std::endl);    
 
-    IOStatus s = UPTODATE;
-    s = mFrom->bbBackwardUpdate(this);
+    bbtkDebugMessage("connection",1,"==> Connection(\""
+		     <<from->bbGetName()<<"\",\""<<output<<"\",\""
+		     <<to->bbGetName()<<"\",\""<<input<<"\")"
+		     <<std::endl);    
 
-    TransferData();
+    
+
+    if (! from->bbHasOutput(output) )
+      {
+	bbtkError("The box \""<<from->bbGetTypeName()<<
+		  "\" has no output \""<<output<<"\"");
+      }
+    if (! to->bbHasInput(input) )
+      {
+	bbtkError("The box \""<<to->bbGetTypeName()<<
+		  "\" has no input \""<<input<<"\"");
+      } 
+
+    if (to->bbGetInputConnectorMap().find(input)->second->IsConnected())
+      {
+	bbtkError("The input \""<<input<<"\" of the box \""<<to->bbGetName()
+		  <<"\" is already connected");
+      }
+    
+    //  std::string t1 ( from->bbGetOutputType(output).name() );
+    //   std::string t2 ( to->bbGetInputType(input).name() );
+    // if  //( t1 != t2 ) 
+    if ( from->bbGetOutputType(output) !=
+	 to->bbGetInputType(input) )
+      {
+	if ( from->bbGetOutputType(output) == typeid(Data) )
+	  {
+	    bbtkWarning("Connection '"
+			<<GetFullName()
+			<<"' : '"<<from->bbGetName()<<"."<<output
+			<<"' is of type <"
+			<<HumanTypeName<Data>()
+			<<"> : type compatibility with '"
+			<<to->bbGetName()<<"."<<input
+			<<"' will be resolved at run time"
+			);
+	    mFromAny = true;
+	  }
+	else if (  to->bbGetInputType(input) == typeid(Data) )
+	  {   
+	    bbtkDebugMessage("kernel",8," -> '"<<input<<"' type is "
+			     <<TypeName<Data>()<<" : can receive any data"
+			     <<std::endl);
+	    mToAny = true;
+	  }
+	else 
+	  {
+	    bbtkError("Connection created between different types without Factory provided");
+	  }
+      }
 
-    if (mAdaptor && (s==MODIFIED)) mAdaptor->bbSetModifiedStatus();
 
-    bbtkDebugDecTab("Process",2);
+    mFrom = from;
+    mOriginalFrom = from;
+    mTo = to;
+    mOriginalTo = to;
+    mInput = mOriginalInput = input;
+    mOutput = mOriginalOutput = output;
 
-    return s;
+     // Lock this pointer !!!
+    //Pointer p = MakePointer(this,true);
+    from->bbConnectOutput(output,this);
+    to->bbConnectInput(input,this);
+
+    from->bbGetOutputConnector(output).AddChangeObserver(boost::bind(&bbtk::Connection::OnOutputChange,this, _1, _2, _3));
+    
+    bbtkDebugMessage("connection",1,"<== Connection(\""
+		     <<from->bbGetName()<<"\",\""<<output<<"\",\""
+		     <<to->bbGetName()<<"\",\""<<input<<"\")"
+		     <<std::endl);    
+
+    bbtkDebugMessage("object",2,"==> Connection(\""
+		     <<from->bbGetName()<<"\",\""<<output<<"\",\""
+		     <<to->bbGetName()<<"\",\""<<input<<"\")"
+		     <<std::endl);    
   }
+ //==================================================================
+ 
   //==================================================================
+  /// Dtor 
+  Connection::~Connection()
+  {
+    bbtkCDebugMessage("object",4,
+		     "==> ~Connection()"
+		     <<std::endl);
+
+    if (mAdaptor) mAdaptor.reset();
+    if (mFrom!=0) 
+      {
+	mFrom->bbDisconnectOutput(mOutput,this);
+	//				  GetThisPointer<Connection>());
+	mFrom.reset();
+      }
+    else 
+      {
+	bbtkInternalError("~Connection() : invalid initial box pointer");
+      }
+    if (mTo!=0) 
+      {
+	mTo->bbDisconnectInput(mInput,this);//   GetThisPointer<Connection>());
+	mTo.reset();
+      }
+    else 
+      {
+	bbtkInternalError("~Connection() : invalid final box pointer");
+      }
+
 
-  /*
+    bbtkCDebugMessage("object",4,
+		      "<== ~Connection()"
+		      <<std::endl);
+  }
+  //==================================================================
+  
   //==================================================================
-  /// Forward Update
-  void Connection::ForwardUpdate()
+  /// Recursive execution
+  void Connection::RecursiveExecute()
   {
-    bbtkDebugMessageInc("Process",2,
-			"Connection::ForwardUpdate() ["
-			<<GetFullName()<<"]"<<std::endl);
+    bbtkCDebugMessage("process",4,
+		      "===> Connection::RecursiveExecute()"
+		      <<std::endl);
+
+    /*
+    // If box from already executing : nothing to do
+    if (mFrom->bbGetExecuting()) 
+      {
+	bbtkDebugMessage("process",3,
+			 " -> "<<mFrom->bbGetName()
+			 <<" already executing : abort"<<std::endl);
+	return; 
+
+      }
+    */
+
+    mFrom->bbRecursiveExecute(GetThisPointer<Connection>());
 
-  
     TransferData();
 
-    mTo->bbForwardUpdate(this);
+    // Transfer status
+    IOStatus s = MODIFIED;
+    if ( mFrom->bbGetOutputConnector(mOutput).GetStatus() == OUTOFDATE) 
+      {
+	s = OUTOFDATE;
+      }
+    mTo->bbGetInputConnector(mInput).SetStatus(s);
+    
+    bbtkCDebugMessage("process",4,
+		     " --> '"<<mTo->bbGetName()<<"."<<mInput
+		     <<" ["<<&mTo->bbGetInputConnector(mInput)<<"] "
+		     <<"' new status '"
+		     <<GetIOStatusString(s)
+		     <<"'"
+		     << std::endl);
 
-    bbtkDebugDecTab("Process",2);
+    bbtkCDebugMessage("process",4,
+		     "<=== Connection::RecursiveExecute()"
+		      <<std::endl);
+    return; 
   }
   //==================================================================
-  */
+
+
 
   //==================================================================
   /// Transfers the data from the source output to the target input
   /// doing necessary conversions (adaptation or pointer cast)
   void Connection::TransferData()
   {
-    bbtkDebugMessageInc("Process",3,
-			"Connection::TransferData() ["
-			<<GetFullName()<<"]"<<std::endl);
+    bbtkCDebugMessage("data",3,
+		      "Connection::TransferData()"
+		      <<std::endl);
     
     
     // If an adaptor was created we need to adapt the data
@@ -201,25 +418,28 @@ namespace bbtk
     // If no adaptor but source type is an any and target is not an any
     else if ( mFromAny && (! mToAny) )
       {
-	bbtkDebugMessage("Data",3,
-			 "Connection::TransferData() ["
-			 <<GetFullName()<<"]"<<std::endl);
-	bbtkDebugMessage("Data",3,
+	bbtkCDebugMessage("data",3,
 			 " * Source type is an "
 			 <<HumanTypeName<Data>()
 			 <<" which contains a <"
 			 <<HumanTypeName(mFrom->bbGetOutput(mOutput).type())
 			 <<">"<<std::endl);
-	bbtkDebugMessage("Data",3,
+	bbtkCDebugMessage("data",3,
 			 " * Target type is <"
 			 <<HumanTypeName(mTo->bbGetInputType(mInput))
 			 <<">"<<std::endl);
 	
+	// 0) If from any contents void : nothing to do 
+	if (mFrom->bbGetOutput(mOutput).type() == typeid(void)) 
+	  {
+	    bbtkCDebugMessage("data",3,
+			     " -> Source is void : nothing to transfer!"<<std::endl);
+	  }
 	// 1) Test strict type matching between any content and target
-	if (mFrom->bbGetOutput(mOutput)
+	else if (mFrom->bbGetOutput(mOutput)
 	    .contains( mTo->bbGetInputType(mInput) ) )
 	  {
-	    bbtkDebugMessage("Data",3,
+	    bbtkCDebugMessage("data",3,
 			     " -> Equal types : transfer ok"<<std::endl);
 	    mTo->bbSetInput( mInput, 
 			     mFrom->bbGetOutput(mOutput),
@@ -228,25 +448,26 @@ namespace bbtk
 	else 
 	  {
 	    // 2) Look for an adaptor
-	    bbtk::BlackBox* adaptor = 0;
+	    bbtk::BlackBox::Pointer adaptor;
 	    try 
 	      {
-		adaptor = mFactory->NewAdaptor(mFrom->bbGetOutput(mOutput).type(),
-				     mTo->bbGetInputType(mInput),
-				     "");
+		adaptor = mFactory.lock()
+		  ->NewAdaptor(mFrom->bbGetOutput(mOutput).type(),
+			       mTo->bbGetInputType(mInput),
+			       "");
 	      }
 	    catch (...)
 	      {
 	      }
 	    if (adaptor)  
 	      {
-		bbtkDebugMessage("Data",3," -> Adaptor found : using it"
+		bbtkCDebugMessage("data",3," -> Adaptor found : using it"
 				 <<std::endl);
 		  adaptor->bbSetInput("In",mFrom->bbGetOutput(mOutput),false);
 		adaptor->bbExecute();
 		// LG : Connection Update does not set mTo as modified
 		mTo->bbSetInput(mInput, adaptor->bbGetOutput("Out"),false);
-		adaptor->bbDelete();
+		//	adaptor->bbDelete();
 	      }
 	    // 3) If no adaptor found but the any content is a pointer
 	    //    and target type is also a pointer : we try run-time cast
@@ -254,7 +475,7 @@ namespace bbtk
 		      (mTo->bbGetDescriptor()->GetInputDescriptor(mInput)
 		       ->IsPointerType()) )
 	      {
-		bbtkDebugMessage("Data",3,
+		bbtkCDebugMessage("data",3,
 				 " -> No adaptor found but source and target types are both pointers : trying up or down cast"<<std::endl);
 		
 		void* nptr = 
@@ -291,37 +512,198 @@ namespace bbtk
 	mTo->bbSetInput(mInput, mFrom->bbGetOutput(mOutput),false);
       }
 
-    bbtkDebugDecTab("Process",3);
   }
   //==================================================================
-  
+
   //==================================================================
-  /// Modified
-  void Connection::SetModifiedStatus()
+  /// From.Output change propagation
+  void Connection::OnOutputChange(bbtk::BlackBox::Pointer, const std::string&, 
+				  IOStatus status)
   {
-    bbtkDebugMessageInc("Process",5,
-			"Connection::SetModifiedStatus() ["
-			<<GetFullName()<<"]"<<std::endl);
-    
-    if (mAdaptor) mAdaptor->bbSetModifiedStatus();
+    bbtkCDebugMessage("change",2,
+		     "==> Connection::OnOutputChange("
+		     <<GetIOStatusString(status)<<")"
+		     <<std::endl);
+    if (mAdaptor) 
+      {
+	    BlackBoxInputConnector* ac = mAdaptor->bbGetInputConnectorMap().find("In")->second;
+	    mAdaptor->bbSetStatusAndPropagate(ac,status);
+      }
     
-    mTo->bbSetModifiedStatus(  mTo->bbGetInputConnectorMap().find(mInput)->second );
+    mTo->bbSetStatusAndPropagate( mTo->bbGetInputConnectorMap().find(mInput)->second, status);
     
-    bbtkDebugDecTab("Process",5);
+ 
   }
   //==================================================================
 
   
   //==================================================================
   std::string Connection::GetFullName() const {
-    if (mFrom && mTo)
-      return  mFrom->bbGetName()+"."+mOutput+"--"
-	+mTo->bbGetName()+"."+mInput;
+    if (mFrom && mTo) 
+      {
+	std::string res = mFrom->bbGetName()+"."+mOutput+"--"
+	  +mTo->bbGetName()+"."+mInput;
+	if ((!mOriginalFrom.expired()) && (!mOriginalTo.expired()) &&
+	    ((mFrom!=mOriginalFrom.lock())||(mTo!=mOriginalTo.lock())))
+	  {
+	    res += "("+mOriginalFrom.lock()->bbGetName()
+	      +"."+mOriginalOutput+"--"
+	      + mOriginalTo.lock()->bbGetName()+"."+mOriginalInput+")";
+	  }
+	return res;
+      }
     return "***Invalid Connection***";
   }
   //==================================================================
 
+  //==================================================================
+  void Connection::Check() const
+  {
+    bbtkMessage("debug",1,"** Checking Connection "<<(void*)this<<" ["
+		<<GetFullName()<<"]"
+		<<std::endl);
+    if (mFrom==0) 
+      {
+	bbtkMessage("debug",2," - From = 0"<<std::endl);
+      }
+    else
+      {
+	bbtkMessage("debug",2," - From : "<<mFrom->bbGetName()<<std::endl);
+	if (!mFrom->bbHasOutput(mOutput))
+	  {
+	    bbtkError("** Checking Connection "<<(void*)this
+		       <<" ["<<GetFullName()<<"] : "
+		      << mFrom->bbGetName()<<" does not have output '"
+		      <<mOutput<<"'");
+	  }	
+	bbtkMessage("debug",2," - From : Output '"<<mOutput<<"' exists"<<std::endl);
+	BlackBox::OutputConnectorMapType::const_iterator i 
+	  = mFrom->bbGetOutputConnectorMap().find(mOutput);
+	if (i== mFrom->bbGetOutputConnectorMap().end())
+	  {
+	     bbtkError("** Checking Connection "<<(void*)this
+		       <<" ["<<GetFullName()<<"] : "
+		       <<mFrom->bbGetName()<<" output '"
+		       <<mOutput<<"' is not in OutputConnectorMap");
+	  }
+	bbtkMessage("debug",2," - From : Output '"<<mOutput
+		    <<"' is in OutputConnectorMap"<<std::endl);
+
+        std::vector< Connection* >::const_iterator j;
+	/*
+	for (j  = i->second->GetConnectionVector().begin();
+	     j != i->second->GetConnectionVector().end();
+	     ++j)
+	  {
+	    if ((*j)==this) break;
+	  }
+	*/
+	j = find(i->second->GetConnectionVector().begin(),
+		 i->second->GetConnectionVector().end(),
+		 this);
+       
+	if (j==i->second->GetConnectionVector().end())
+	  {
+	    bbtkError("** Checking Connection "<<(void*)this
+		      <<" ["<<GetFullName()<<"] : "
+		      <<" OutputConnector '"
+		      <<mOutput<<"' of "<<mFrom->bbGetName()
+		      <<" does not point to this connection");
+	    
+	  }
+	bbtkMessage("debug",2," - From : This connection is in OutputConnector connection vector"<<std::endl);
+	bbtkMessage("debug",2," * Box from : Check successfull"<<std::endl);
+
+      }
+
+    if (mTo==0) 
+      {
+	bbtkMessage("debug",2," - To   = 0"<<std::endl);
+      }
+    else
+      {
+	bbtkMessage("debug",2," - To   : "<<mTo->bbGetName()<<std::endl);
+	//	std::cout << mTo << std::endl;
+	//	std::cout << mTo->bbGetDescriptor() << std::endl;
+	//	std::cout << mTo->bbGetDescriptor()->GetTypeName() << std::endl;
+	//	mTo->bbGetName();
+	bbtkMessage("debug",2," - To   : "<<mTo->bbGetName()<<std::endl);
+	if (!mTo->bbHasInput(mInput))
+	  {
+	    bbtkError("** Checking Connection "<<(void*)this
+		      <<" ["<<GetFullName()<<"] : "
+		      <<mTo->bbGetName()<<" does not have input '"
+		      <<mInput<<"'");
+	  }	
+	bbtkMessage("debug",2," - To   : Input '"<<mInput<<"' exists"<<std::endl);
+	BlackBox::InputConnectorMapType::const_iterator i 
+	  = mTo->bbGetInputConnectorMap().find(mInput);
+	if (i== mTo->bbGetInputConnectorMap().end())
+	  {
+	     bbtkError("** Checking Connection "<<(void*)this
+		       <<" ["<<GetFullName()<<"] : "
+		       <<mTo->bbGetName()<<" input '"
+		       <<mInput<<"' is not in InputConnectorMap");
+	  }
+	bbtkMessage("debug",2," - To   : Input '"<<mInput
+		    <<"' is in InputConnectorMap"<<std::endl);
+
+	if (i->second->GetConnection()==0)
+	  {
+	    bbtkError("** Checking Connection "<<(void*)this
+		      <<" ["<<GetFullName()<<"] : "
+		      <<" InputConnector '"
+		      <<mInput<<"' of "<<mTo->bbGetName()
+		      <<" does not point to this connection");
+    
+	  }
+	bbtkMessage("debug",2," - To   : This connection is in InputConnector connection vector"<<std::endl);
+	bbtkMessage("debug",2," * Box to   : Check successfull"<<std::endl);
+
+      }
+  }
+  //==================================================================
+ //==========================================================================
+  std::string Connection::GetObjectName() const
+  {
+    std::string s("Connection '");
+    s += GetFullName();
+    s += "'";
+    return s;
+  }
+  //==========================================================================
+  
+  //==========================================================================
+  std::string  Connection::GetObjectInfo() const 
+  {
+    std::stringstream i;
+    return i.str();
+  }
+  //==========================================================================
 
+ //==========================================================================
+size_t  Connection::GetObjectSize() const 
+{
+  size_t s = Superclass::GetObjectSize();
+  s += Connection::GetObjectInternalSize();
+  return s;
+  }
+  //==========================================================================
+  //==========================================================================
+size_t  Connection::GetObjectInternalSize() const 
+{
+  size_t s = sizeof(Connection);
+  return s;
+  }
+  //==========================================================================
+  //==========================================================================
+  size_t  Connection::GetObjectRecursiveSize() const 
+  {
+    size_t s = Superclass::GetObjectRecursiveSize();
+    s += Connection::GetObjectInternalSize();
+    return s;
+  }
+  //==========================================================================
 
 }// namespace bbtk