moSimple(Move/Solution)TabuList are added

git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@281 331e1502-861f-0410-8da2-ba01fb791d7f

trunk/paradiseo-mo/src/moSimpleSolutionTabuList.h

@@ -0,0 +1,107 @@
+// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+// "moSimpleSolutionTabuList.h"
+
+// (c) OPAC Team, LIFL, 2003-2007
+
+/* LICENCE TEXT 
+   
+   Contact: paradiseo-help@lists.gforge.inria.fr
+*/
+
+#ifndef __moSimpleSolutionTabuList_h
+#define __moSimpleSolutionTabuList_h
+
+#include <list>
+#include <iterator>
+
+#include "moTabuList.h"
+
+//! Class describing a solution tabu list with limited length.
+template <class M>
+class moSimpleSolutionTabuList: public moTabuList < M >
+{
+  
+public:
+
+  //! Alias for the type
+  typedef typename M::EOType EOT;
+  
+  //! Constructor
+  /*!
+    \param __size The maximum size of the solution tabu list.
+   */
+  moSimpleSolutionTabuList(unsigned __size): maxSize(__size)
+  {
+    currentSize=0;
+  }
+  
+  //! Function that indicates if, in a given state, the _move is tabu or not.
+  /*!
+    \param __move A given moMove.
+    \param __sol A solution.
+    \return true or false.
+  */
+  bool operator () (const M & __move, const EOT & __sol) 
+  {
+    typename std::list<EOT>::iterator it;
+  
+    M _move=(M)__move;
+    EOT _sol=(EOT) __sol;
+
+    _move(_sol);
+  
+    it=tabuList.begin();
+    while(it!=tabuList.end()&&(!((*it)==_sol)))
+      {
+	it++;
+      }
+    
+    return it!=tabuList.end();
+  }
+  
+  void
+  add (const M & __move, const EOT & __sol)
+  {
+    M _move=(M)__move;
+    EOT _sol=(EOT) _sol;
+    
+    _move(_sol);
+    
+    tabuList.push_back(_sol);
+    
+    if(currentSize==maxSize)
+      {
+	tabuList.erase(tabuList.begin());
+      }
+    else
+      {
+	currentSize++;
+      }
+  }
+
+  void
+  update ()
+  {
+    //nothing to do
+  }
+
+  void
+  init ()
+  {
+    //nothing to do
+  }
+
+private:
+  
+  //! The maximum size of the tabu list.
+  unsigned maxSize;
+
+  //! The current size of the tabu list.
+  unsigned currentSize;
+  
+  //! The solution tabu list.
+  std::list<EOT> tabuList;
+};
+
+#endif