using System;
using HeuristicLab.Core;
using HeuristicLab.Common;
using HEAL.Attic;

namespace HeuristicLab.Problems.MetaOptimization {
  [StorableType("D5AB5F97-8D08-4BE4-AB71-BA670EA26B6D")]
  public class ConstrainedItemList<T> : ItemList<T> where T : class, IItem {
    [Storable]
    private Type type;
    public Type Type {
      get { return type; }
      set {
        if (type != value) {
          type = value;
          this.RemoveAll(x => x.GetType() != type);
        }
      }
    }

    public ConstrainedItemList() {
      Type = typeof(T);
    }
    [StorableConstructor]
    protected ConstrainedItemList(StorableConstructorFlag _) : base(_) { }
    protected ConstrainedItemList(ConstrainedItemList<T> original, Cloner cloner)
      : base(original, cloner) {
      this.Type = original.Type;
    }
    public override IDeepCloneable Clone(Cloner cloner) {
      return new ConstrainedItemList<T>(this, cloner);
    }
  }
}