/*

  This Source Code Form is subject to the terms of the Mozilla Public

  License, v. 2.0. If a copy of the MPL was not distributed with this

  file, You can obtain one at http://mozilla.org/MPL/2.0/.

  Copyright (C) 2009-2010 Michael Möller <mmoeller@openhardwaremonitor.org>

*/

using System;

using System.Collections.Generic;

namespace OpenHardwareMonitor.Hardware {

  public class SensorVisitor : IVisitor {

    private readonly SensorEventHandler handler;

    public SensorVisitor(SensorEventHandler handler) {

      if (handler == null)

        throw new ArgumentNullException("handler");

      this.handler = handler;

    }

    public void VisitComputer(IComputer computer) {

      if (computer == null)

        throw new ArgumentNullException("computer");

      computer.Traverse(this);

    }

    public void VisitHardware(IHardware hardware) {

      if (hardware == null)

        throw new ArgumentNullException("hardware");

      hardware.Traverse(this);

    }

    public void VisitSensor(ISensor sensor) {

      handler(sensor);

    }

    public void VisitParameter(IParameter parameter) { }

  }

}