From b6dcf911b72a3f0e1b5c0c5e724f8eba23fda3c4 Mon Sep 17 00:00:00 2001
From: cahon <cahon>
Date: Fri, 29 Mar 2002 14:38:36 +0000
Subject: [PATCH] A tool to apply a process to any incoming EO ...

---
 eo/src/paradisEO/eoSolAgent.h | 91 +++++++++++++++++++++++++++++++++++
 1 file changed, 91 insertions(+)
 create mode 100644 eo/src/paradisEO/eoSolAgent.h

diff --git a/eo/src/paradisEO/eoSolAgent.h b/eo/src/paradisEO/eoSolAgent.h
new file mode 100644
index 00000000..722e8bef
--- /dev/null
+++ b/eo/src/paradisEO/eoSolAgent.h
@@ -0,0 +1,91 @@
+// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+// "eoSolAgent.h"
+
+// (c) OPAC Team, LIFL, 2002
+
+/* This library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2 of the License, or (at your option) any later version.
+   
+   This library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+   
+   You should have received a copy of the GNU Lesser General Public
+   License along with this library; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
+   
+   Contact: cahon@lifl.fr
+*/
+
+#ifndef eoSolAgent_h
+#define eoSolAgent_h
+
+#include <eoSolAlgo.h>
+#include <paradisEO/comm/eoListener.h>
+#include <paradisEO/comm/messages/to/eoEOSendMessTo.h>
+
+#include <string>
+
+/**
+   A solAgent is waiting for any solutions that are queued.
+   For each one, a processing is performed. 
+*/
+
+template <class EOT> class eoSolAgent {
+
+public :
+
+  /**
+     Constructor
+   */ 
+
+  eoSolAgent (string _label,
+	      eoListener <EOT> & _listen,
+	      eoSolAlgo <EOT> & _algo
+	      ) :
+    label (_label),
+    listen (_listen),
+    algo (_algo) {
+    
+  }
+  
+  // Waiting for eoPop reception and then ...
+
+  void operator () () {
+    
+    listen.publish (label) ; // To be known by everyone ...
+
+    while (true) {
+     
+      listen.wait () ; // While no neighbour sends any eoPop ...
+      
+      for (int i = 0 ; i < listen.size () ; i ++) {
+	
+	while (! listen [i].empty ()) {
+	  
+	  EOT & sol = listen [i].front () ;
+	  cout << "Agent [" << label << "] on " << listen.here ().host_name << " : Receiving one individual ..." << endl ;
+	  algo (sol) ;
+	  eoPop <EOT> pop ;
+	  pop.push_back (sol) ;
+	  eoEOSendMessTo <EOT> mess (pop) ;
+	  mess (listen [i]) ; // Coming back ...
+	  listen [i].pop () ;
+	}
+      }
+    }
+  }
+  
+private :
+  
+  string label ; // string identifier
+  eoListener <EOT> & listen ; // EO's listener
+  eoSolAlgo <EOT> & algo ; // Local supplied algo
+	   
+} ;
+
+#endif