2004-03-19 Gonzalo Paniagua Javier <[email protected]>

	* Watcher.cs: Removed file. Jackson made it obsolete and already
	removed it from the .sources file.

svn path=/trunk/mcs/; revision=24359

mcs/class/System.Web/System.Web.Caching/ChangeLog

@@ -1,3 +1,8 @@
+2004-03-19  Gonzalo Paniagua Javier <[email protected]>
+
+	* Watcher.cs: Removed file. Jackson made it obsolete and already
+	removed it from the .sources file.
+
 2004-02-09  Jackson Harper <[email protected]>
 
 	* ExpiresBucket.cs: Remove duplicate code. Fixes bug #54031.

mcs/class/System.Web/System.Web.Caching/Watcher.cs

@@ -1,153 +0,0 @@
-// 
-// System.Web.Caching.Watcher
-//
-// Authors:
-//	Gonzalo Paniagua Javier ([email protected])
-//
-// (c) 2003 Ximian, Inc. (http://www.ximian.com)
-// 
-// Use this until we have a FileSystemWatcher...
-
-using System;
-using System.Collections;
-using System.IO;
-using System.Threading;
-
-namespace System.Web.Caching
-{
-	class Watcher
-	{
-		static Hashtable watches;
-		static Watcher worker;
-
-		bool running;
-		Thread t;
-
-		private Watcher ()
-		{
-			watches = new Hashtable ();
-			t = new Thread (new ThreadStart (Run));
-			t.IsBackground = true;
-			t.Start ();
-		}
-
-		static int CalculateSleep ()
-		{
-			if (watches == null || watches.Count == 0)
-				return 5000;
-
-			int result = (int) Math.Pow (10, Math.Log (watches.Count, 10) + 1.75);
-			return (result < 500) ? 500 : result;
-		}
-		
-		void Run ()
-		{
-			ArrayList notified = new ArrayList ();
-			while (true) {
-				lock (watches) {
-					foreach (string key in watches.Keys) {
-						Watch w = (Watch) watches [key];
-						if (!w.CheckIfChanged ())
-							continue;
-
-						w.ChangedEvent (this, EventArgs.Empty);
-						notified.Add (key);
-					}
-
-					foreach (string s in notified)
-						watches.Remove (s);
-
-					notified.Clear ();
-				}
-				Thread.Sleep (CalculateSleep ());
-			}
-		}
-
-		static void EnsureWorker ()
-		{
-			if (worker == null)
-				worker = new Watcher ();
-		}
-
-		static public void AddWatch (string filename, EventHandler eh)
-		{
-			EnsureWorker ();
-			lock (watches) {
-				if (!watches.Contains (filename)) {
-					watches.Add (filename, new Watch (filename, eh));
-				} else {
-					((Watch) watches [filename]).AddEvent (eh);
-				}
-			}
-		}
-
-		class Watch
-		{
-			string filename;
-			DateTime begin;
-			EventHandler eh;
-			bool is_dir;
-			bool changed;
-			IsThere exists;
-			GetTime getTime;
-
-			static IsThere fileExists;
-			static GetTime fileGetTime;
-			static IsThere dirExists;
-			static GetTime dirGetTime;
-
-			delegate bool IsThere (string filename);
-			delegate DateTime GetTime (string filename);
-
-			static Watch ()
-			{
-				fileExists = new IsThere (File.Exists);
-				fileGetTime = new GetTime (File.GetLastWriteTime);
-				dirExists = new IsThere (Directory.Exists);
-				dirGetTime = new GetTime (Directory.GetLastWriteTime);
-			}
-
-			public Watch (string filename, EventHandler eh)
-			{
-				this.eh = eh;
-				this.filename = filename;
-				is_dir = Directory.Exists (filename);
-				changed = !(is_dir || File.Exists (filename));
-				if (is_dir) {
-					exists = dirExists;
-					getTime = dirGetTime;
-				} else {
-					exists = fileExists;
-					getTime = fileGetTime;
-				}
-				if (!changed)
-					begin = getTime (filename);
-			}
-
-			public void AddEvent (EventHandler eh)
-			{
-				this.eh += eh;
-			}
-			
-			public bool CheckIfChanged ()
-			{
-				if (changed)
-					return true;
-				
-				if (!exists (filename)) {
-					changed = true;
-					return true;
-				}
-					
-				DateTime current = getTime (filename);
-				changed = current > begin;
-				return changed;
-			}
-
-			public EventHandler ChangedEvent {
-				get { return eh; }
-			}
-		}
-	}
-}
-