git-svn-id: svn://scm.gforge.inria.fr/svnroot/paradiseo@36 331e1502-861f-0410-8da2-ba01fb791d7f

trunk/paradiseo-moeo/src/moeoCombinedMOLS.h

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+// -*- mode: c++; c-indent-level: 4; c++-member-init-indent: 8; comment-column: 35; -*-
+
+//-----------------------------------------------------------------------------
+// moeoCombinedMOLS.h
+// (c) OPAC Team (LIFL), Dolphin Project (INRIA), 2006
+/*
+    This library...
+
+    Contact: paradiseo-help@lists.gforge.inria.fr, http://paradiseo.gforge.inria.fr
+ */
+//-----------------------------------------------------------------------------
+
+#ifndef MOEOCOMBINEDMOLS_H_
+#define MOEOCOMBINEDMOLS_H_
+
+#include <eoEvalFunc.h>
+#include <moeoArchive.h>
+#include <moeoMOLS.h>
+
+/**
+ * This class allows to embed a set of local searches that are sequentially applied, 
+ * and so working and updating the same archive of non-dominated solutions
+ */
+template < class EOT > class moeoCombinedMOLS:public moeoMOLS < EOT >
+{
+public:
+
+	/**
+	 * Ctor
+	 * @param _eval the full evaluator of a solution
+	 * @param _first_ls the first multi-objective local search to add
+	 */
+moeoCombinedMOLS (eoEvalFunc < EOT > &_eval, moeoMOLS < EOT > &_first_ls):eval
+    (_eval)
+  {
+    combinedMOLS.push_back (&_first_ls);
+  }
+
+	/**
+	 * Adds a new local search to combine
+	 * @param _ls the multi-objective local search to add
+	 */
+  void add (moeoMOLS < EOT > &_ls)
+  {
+    combinedMOLS.push_back (&_ls);
+  }
+
+	/**
+	 * Gives a new solution in order to explore the neigborhood. 
+	 * The new non-dominated solutions are added to the archive
+	 * @param _eo the solution
+	 * @param _arch the archive of non-dominated solutions 
+	 */
+  void operator  () (const EOT & _eo, moeoArchive < EOT > &_arch)
+  {
+    eval (const_cast < EOT & >(_eo));
+    for (unsigned i = 0; i < combinedMOLS.size (); i++)
+      combinedMOLS[i]->operator ()(_eo, _arch);
+  }
+
+
+private:
+
+	/** the full evaluator of a solution */
+  eoEvalFunc < EOT > &eval;
+	/** the vector that contains the combined MOLS */
+  std::vector < moeoMOLS < EOT > *>combinedMOLS;
+
+};
+
+#endif /*MOEOCOMBINEDMOLS_H_ */