//******************************************************************************************************//  LongSynchronizedOperation.cs - Gbtc////  Copyright © 2014, Grid Protection Alliance.  All Rights Reserved.////  Licensed to the Grid Protection Alliance (GPA) under one or more contributor license agreements. See//  the NOTICE file distributed with this work for additional information regarding copyright ownership.//  The GPA licenses this file to you under the MIT License (MIT), the "License"; you may//  not use this file except in compliance with the License. You may obtain a copy of the License at:////      http://www.opensource.org/licenses/MIT////  Unless agreed to in writing, the subject software distributed under the License is distributed on an//  "AS-IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. Refer to the//  License for the specific language governing permissions and limitations.////  Code Modification History://  ----------------------------------------------------------------------------------------------------//  03/21/2014 - Stephen C. Wills//       Generated original version of source code.////****************************************************************************************************** using System;using System.Threading; namespace GSF.Threading{    /// <summary>    /// Represents a long-running synchronized operation    /// that cannot run while it is already in progress.    /// </summary>    /// <remarks>    /// The action performed by the <see cref="LongSynchronizedOperation"/> is executed on    /// its own dedicated thread when running the operation asynchronously. When running on    /// its own thread, the action is executed in a tight loop until all pending operations    /// have been completed. This type of synchronized operation should be preferred if    /// operations may take a long time, block the thread, or put it to sleep. It is also    /// recommended to prefer this type of operation if the speed of the operation is not    /// critical or if completion of the operation is critical, such as when saving data    /// to a file.    /// </remarks>    public class LongSynchronizedOperation : SynchronizedOperationBase    {        #region [ Members ]         // Fields        private bool m_isBackground;         #endregion         #region [ Constructors ]         /// <summary>        /// Creates a new instance of the <see cref="LongSynchronizedOperation"/> class.        /// </summary>        /// <param name="action">The action to be performed during this operation.</param>        public LongSynchronizedOperation(Action action)            : base(action)        {        }         /// <summary>        /// Creates a new instance of the <see cref="LongSynchronizedOperation"/> class.        /// </summary>        /// <param name="action">The action to be performed during this operation.</param>        /// <param name="exceptionAction">The action to be performed if an exception is thrown from the action.</param>        public LongSynchronizedOperation(Action action, Action<Exception> exceptionAction)            : base(action, exceptionAction)        {        }         #endregion         #region [ Properties ]         /// <summary>        /// Gets or sets whether or not the thread        /// executing the action is a background thread.        /// </summary>        public bool IsBackground        {            get            {                return m_isBackground;            }            set            {                m_isBackground = value;            }        }         #endregion         #region [ Methods ]         /// <summary>        /// Executes the action on a separate thread.        /// </summary>        protected override void ExecuteActionAsync()        {            Thread actionThread = new Thread(() =>            {                while (ExecuteAction())                {                }            });             actionThread.IsBackground = m_isBackground;            actionThread.Start();        }         #endregion    }}