source: branches/HeuristicLab.Problems.GrammaticalOptimization/DynamicDataDisplay/Common/UndoSystem/LambdaUndoAction.cs @ 14128

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace Microsoft.Research.DynamicDataDisplay.Common.UndoSystem
{
  public sealed class LambdaUndoAction : UndoAction
  {
    private readonly Action doAction;
    private readonly Action undoAction;

    public LambdaUndoAction(Action doAction, Action undoAction)
    {
      if (doAction == null)
        throw new ArgumentNullException("doHander");
      if (undoAction == null)
        throw new ArgumentNullException("undoAction");

      this.doAction = doAction;
      this.undoAction = undoAction;
    }

    public override void Do()
    {
      doAction();
    }

    public override void Undo()
    {
      undoAction();
    }
  }
}