source: trunk/sources/HeuristicLab.Problems.ExternalEvaluation/3.3/Drivers/ExternalEvaluationDriver.cs @ 3859

#region License Information
/* HeuristicLab
 * Copyright (C) 2002-2010 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;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Google.ProtocolBuffers;
using HeuristicLab.Core;
using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;

namespace HeuristicLab.Problems.ExternalEvaluation {
  [Item("ExternalEvaluationDriver", "Abstract base class for drivers to be used in an external evaluation problem.")]
  [StorableClass]
  public abstract class ExternalEvaluationDriver : Item, IExternalEvaluationDriver {
    // will not be serialized, since it will always be false after deserialization
    public bool IsInitialized { get; protected set; }

    #region IExternalEvaluationDriver Members

    public virtual void Start() {
      IsInitialized = true;
    }

    public abstract QualityMessage Evaluate(SolutionMessage solution);

    public abstract void EvaluateAsync(SolutionMessage solution, Action<QualityMessage> callback);

    public virtual void Stop() {
      IsInitialized = false;
    }

    #endregion
  }
}