From 1bf3aeeefa7f97bee52e72b219f794c99006598a Mon Sep 17 00:00:00 2001
From: verel <verel@331e1502-861f-0410-8da2-ba01fb791d7f>
Date: Mon, 22 Feb 2010 10:55:27 +0000
Subject: [PATCH] Ajout du state saver dans testRndWalk

git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@1687 331e1502-861f-0410-8da2-ba01fb791d7f
---
 .../oneMax/application/testRandomWalk.cpp     | 35 +++++++++++++++----
 1 file changed, 29 insertions(+), 6 deletions(-)

diff --git a/branches/newMo/tutorial/oneMax/application/testRandomWalk.cpp b/branches/newMo/tutorial/oneMax/application/testRandomWalk.cpp
index a94698d14..4d81da319 100644
--- a/branches/newMo/tutorial/oneMax/application/testRandomWalk.cpp
+++ b/branches/newMo/tutorial/oneMax/application/testRandomWalk.cpp
@@ -155,7 +155,7 @@ void main_function(int argc, char **argv)
 
 	/* =========================================================
 	 *
-	 * the local search algorithm
+	 * the continuator and the checkpoint
 	 *
 	 * ========================================================= */
 
@@ -167,20 +167,45 @@ void main_function(int argc, char **argv)
 	moDistanceStat<Indi, unsigned> distStat(distance, bestSolution);
 	//	moSolutionStat<Indi> solStat;
 
-	moCheckpoint<Neighborhood> checkpoint(continuator);
-	eoFileMonitor outputfile("out.dat", " ");
-	checkpoint.add(outputfile);
 	checkpoint.add(fStat);
 	checkpoint.add(distStat);
 	//	checkpoint.add(solStat);
+
 	eoValueParam<unsigned int> genCounter(-1,"Gen");
 	eoIncrementor<unsigned int> increm(genCounter.value());
 	checkpoint.add(increm);
+
+	moCheckpoint<Neighborhood> checkpoint(continuator);
+	eoFileMonitor outputfile("out.dat", " ");
+	checkpoint.add(outputfile);
+
 	outputfile.add(genCounter);
 	outputfile.add(fStat);
 	outputfile.add(distStat);
 	//	outputfile.add(solStat);
 
+	// to save the solution at each iteration
+	eoState outState;
+
+	// Register the algorithm into the state (so it has something to save!!
+
+	Indi solution; // current solution of the search process
+
+	outState.registerObject(solution);
+
+	// and feed the state to state savers
+	// save state every 10th iteration
+	eoCountedStateSaver stateSaver(10, outState, "iteration"); 
+	
+	  // Don't forget to add the two savers to the checkpoint
+	checkpoint.add(stateSaver);
+
+	/* =========================================================
+	 *
+	 * the local search algorithm
+	 *
+	 * ========================================================= */
+
 	moLocalSearch< moRandomWalkExplorer<Neighborhood> > localSearch(explorer, checkpoint, eval);
 
 	/* =========================================================
@@ -189,8 +214,6 @@ void main_function(int argc, char **argv)
 	 *
 	 * ========================================================= */
 
-	Indi solution;
-
 	random(solution);
 
 	//Can be eval here, else it will be done at the beginning of the localSearch