#region CPL License
/*
Nuclex Framework
Copyright (C) 2002-2009 Nuclex Development Labs

This library is free software; you can redistribute it and/or
modify it under the terms of the IBM Common Public License as
published by the IBM Corporation; either version 1.0 of the
License, or (at your option) any later version.

This library 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
IBM Common Public License for more details.

You should have received a copy of the IBM Common Public
License along with this library
*/
#endregion

using System;
using System.Collections.Generic;
using System.Threading;

namespace Nuclex.Support.Scheduling {

  /// <summary>Operation that executes a method in a background thread</summary>
  public class ThreadCallbackOperation : ThreadOperation {

    /// <summary>
    ///   Initializes a new threaded method operation that will call back a
    ///   parameterless method from the background thread.
    /// </summary>
    /// <param name="method">Method to be invoked in a background thread</param>
    /// <remarks>
    ///   Uses a ThreadPool thread to execute the method in
    /// </remarks>
    public ThreadCallbackOperation(ThreadStart method)
      : this(method, true) { }

    /// <summary>
    ///   Initializes a new threaded method operation that will call back a
    ///   parameterless method from the background thread and use the
    ///   thread pool optionally.
    /// </summary>
    /// <param name="method">Method to be invoked in a background thread</param>
    /// <param name="useThreadPool">Whether to use a ThreadPool thread</param>
    /// <remarks>
    ///   If useThreadPool is false, a new thread will be created. This guarantees
    ///   that the method will be executed immediately but has an impact on
    ///   performance since the creation of new threads is not a cheap operation.
    /// </remarks>
    public ThreadCallbackOperation(ThreadStart method, bool useThreadPool)
      : base(useThreadPool) {

      this.method = method;
    }

    /// <summary>Executes the thread callback in the background thread</summary>
    protected override void Execute() {
      this.method();
    }

    /// <summary>Method to be invoked in a background thread</summary>
    private ThreadStart method;

  }

} // namespace Nuclex.Support.Scheduling