#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2017 Heuristic and Evolutionary Algorithms Laboratory (HEAL)
 *
 * This file is part of HeuristicLab.
 *
 * HeuristicLab is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * HeuristicLab 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with HeuristicLab. If not, see <http://www.gnu.org/licenses/>.
 */
#endregion

using System.Collections.Generic;
using System.Linq;
using HeuristicLab.Common;
using HeuristicLab.Core;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;

namespace HeuristicLab.Problems.GeneralizedQuadraticAssignment {
  [Item("N-Move", "An N-Move describes the relocation of n equipments to n different locations.")]
  [StorableClass]
  public class NMove : Item {
    [Storable]
    private int[] reassignments;
    /// <summary>
    /// Contains for each equipment the newly assigned location.
    /// </summary>
    /// <remarks>
    /// Locations are 1-based. A 0 indicates that this equipment is not reassigned.
    /// </remarks>
    public IReadOnlyList<int> Reassignments {
      get { return reassignments; }
    }
    [Storable]
    private List<int> indices;
    /// <summary>
    /// Which indices (=equipments) are reassigned.
    /// </summary>
    /// <remarks>
    /// Equipments are 0-based.
    /// </remarks>
    public IReadOnlyList<int> Indices {
      get { return indices; }
    }

    public int N { get { return Indices.Count; } }

    [StorableConstructor]
    protected NMove(bool deserializing) : base(deserializing) { }
    protected NMove(NMove original, Cloner cloner)
      : base(original, cloner) {
      reassignments = original.reassignments.ToArray();
      indices = original.indices.ToList();
    }
    public NMove(int[] reassignments, List<int> indices)
      : base() {
      this.reassignments = reassignments;
      this.indices = indices;
    }

    public override IDeepCloneable Clone(Cloner cloner) {
      return new NMove(this, cloner);
    }
  }
}