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/*
 *  Main authors:
 *     Guido Tack <tack@gecode.org>
 *     Christian Schulte <schulte@gecode.org>
 *
 *  Contributing authors:
 *     Gabor Szokoli <szokoli@gecode.org>
 *
 *  Copyright:
 *     Guido Tack, 2004
 *     Christian Schulte, 2004
 *     Gabor Szokoli, 2004
 *
 *  Last modified:
 *     $Date: 2006-07-18 15:39:20 +0200 (Tue, 18 Jul 2006) $ by $Author: schulte $
 *     $Revision: 3390 $
 *
 *  This file is part of Gecode, the generic constraint
 *  development environment:
 *     http://www.gecode.org
 *
 *  See the file "LICENSE" for information on usage and
 *  redistribution of this file, and for a
 *     DISCLAIMER OF ALL WARRANTIES.
 *
 */

#ifndef __GECODE_SET_BRANCH_HH__
#define __GECODE_SET_BRANCH_HH__

#include "gecode/set.hh"
#include "gecode/iter.hh"

namespace Gecode { namespace Set { namespace Branch {

  /*
   * Value selection classes
   *
   */


  class ValMin {
  public:
    int val(const Space* home, SetView x) const;
    ModEvent tell(Space* home, unsigned int a, SetView x, int v);
  };

  class ValMax {
  public:
    int val(const Space* home, SetView x) const;
    ModEvent tell(Space* home, unsigned int a, SetView x, int v);
  };

  template <class SelView>
  static void
  create(Space* home, ViewArray<SetView>&, SetBvalSel);

  /*
   * View selection classes
   *
   */

  class ByNone {
  public:
    ViewSelStatus init(const Space* home, SetView x);
    ViewSelStatus select(const Space* home, SetView x);
  };

  class ByMinCard {
  private:
    unsigned int minCard;
  public:
    ViewSelStatus init(const Space* home, SetView x);
    ViewSelStatus select(const Space* home, SetView x);
  };

  class ByMaxCard {
  private:
    unsigned int maxCard;
  public:
    ViewSelStatus init(const Space* home, SetView x);
    ViewSelStatus select(const Space* home, SetView x);
  };

  class ByMinUnknown {
  private:
    int minUnknown;
  public:
    ViewSelStatus init(const Space* home, SetView x);
    ViewSelStatus select(const Space* home, SetView x);
  };

  class ByMaxUnknown {
  private:
    int maxUnknown;
  public:
    ViewSelStatus init(const Space* home, SetView x);
    ViewSelStatus select(const Space* home, SetView x);
  };

}}}

#include "gecode/set/branch/select-val.icc"
#include "gecode/set/branch/select-view.icc"

#endif
// STATISTICS: set-branch