threadstatus.cs

用C#编写的一个款搜索engine的源代码！摘自<Visual c#2005 程序设计>

using System;
using System.Threading;

namespace SECompare.Structure
{
	/// <summary>
	/// This class is the base class of all the thread-based classes which need to report thread status.
	/// </summary>
	public class ThreadStatus
	{
		/// <summary>
		/// The thread to run.
		/// </summary>
		private Thread thread;

		/// <summary>
		/// Thread target.
		/// </summary>
		protected ThreadStart threadStart;

		/// <summary>
		/// Set Setting of supported engines.
		/// </summary>
		public EngineSetting EngineSetting
		{
			set
			{
				this.mEngineSetting = value; 
			}
		}

		protected EngineSetting mEngineSetting;

		/// <summary>
		/// Now processing file name.
		/// </summary>
		protected String mProcessingFile  = "";

		public String ProcessingFile
		{
			get
			{
				return this.mProcessingFile;
			}
		}

		/// <summary>
		/// Percentage of file processing, between 0 and 1.
		/// </summary>
		protected float  mFilePercentage  = 0;

		public float FilePercentage
		{
			get
			{
				return this.mFilePercentage;
			}
		}

		/// <summary>
		/// Now processing entry in the processing file.
		/// </summary>
		protected String mProcessingEntry = "";

		public String ProcessingEntry
		{
			get
			{
				return this.mProcessingEntry;
			}
		}

		/// <summary>
		/// Percentage of entry processing in the processing file, between 0 and 1.
		/// </summary>
		protected float  mEntryPercentage = 0;

		public float EntryPercentage
		{
			get
			{
				return this.mEntryPercentage;
			}
		}

		/// <summary>
		/// If the thread has been finished.
		/// </summary>
		protected bool mIsFinished = false;

		public bool IsFinished
		{
			get
			{
				return this.mIsFinished;
			}
		}

		/// <summary>
		/// String which represents the thread status.
		/// </summary>
		public String Status
		{
			get
			{
				return 
					  "[" + (this.mFilePercentage*100)  + "%]"
					+ this.mProcessingFile 
					+ "[" + (this.mEntryPercentage*100) + "%]"
					+ this.mProcessingEntry;
			}
		}

		public void Start()
		{
			this.thread = new Thread(this.threadStart);
			this.thread.Start();	
		}

		public void Suspend()
		{
			this.thread.Suspend();
		}

		public void Resume()
		{
			this.thread.Resume();
		}

		public void Interrupt()
		{
			this.thread.Interrupt();
		}

	}
}