This commit was manufactured by cvs2svn to create branch 'SAVANNAH_CVS'.RHYS_20020821

svn path=/branches/SAVANNAH_CVS/mcs/; revision=6844

1 files changed, 0 insertions, 145 deletions

diff --git a/mcs/class/System.Web/System.Web.Caching/CacheExpires.cs b/mcs/class/System.Web/System.Web.Caching/CacheExpires.cs
deleted file mode 100644
index a58eb5c1e69..00000000000
--- a/mcs/class/System.Web/System.Web.Caching/CacheExpires.cs
+++ /dev/null
@@ -1,145 +0,0 @@
-// 

-// System.Web.Caching

-//

-// Author:

-//   Patrik Torstensson (Patrik.Torstensson@labs2.com)

-//

-// (C) Copyright Patrik Torstensson, 2001

-//

-namespace System.Web.Caching

-{

-	/// <summary>

-	/// Class responsible for handling time based flushing of entries in the cache. The class creates

-	/// and manages 60 buckets each holding every item that expires that minute. The bucket calculated

-	/// for an entry is one minute more than the timeout just to make sure that the item end up in the

-	/// bucket where it should be flushed.

-	/// </summary>

-	public class CacheExpires : System.IDisposable

-	{

-		static int	_intFlush;

-		static long _ticksPerBucket = 600000000;

-		static long _ticksPerCycle = _ticksPerBucket * 60;

-

-		private ExpiresBucket[] _arrBuckets;

-		private System.Threading.Timer _objTimer;

-		private Cache _objManager;

-

-		/// <summary>

-		/// Constructor

-		/// </summary>

-		/// <param name="objManager">The cache manager, used when flushing items in a bucket.</param>

-		public CacheExpires(Cache objManager)

-		{

-			_objManager = objManager;

-			Initialize();

-		}

-

-		/// <summary>

-		/// Initializes the class.

-		/// </summary>

-		private void Initialize()

-		{

-			// Create one bucket per minute

-			_arrBuckets = new ExpiresBucket[60];

-

-			byte bytePos = 0;

-			do 

-			{

-				_arrBuckets[bytePos] = new ExpiresBucket(bytePos, _objManager);

-				bytePos++;

-			} while (bytePos < 60);

-

-			// GC Bucket controller

-			_intFlush = System.DateTime.Now.Minute - 1;

-			_objTimer = new System.Threading.Timer(new System.Threading.TimerCallback(GarbageCleanup), null, 10000, 60000);

-		}

-

-		/// <summary>

-		/// Adds a Cache entry to the correct flush bucket.

-		/// </summary>

-		/// <param name="objEntry">Cache entry to add.</param>

-		public void Add(CacheEntry objEntry)

-		{

-			long ticksNow = System.DateTime.Now.Ticks;

-

-			lock(this) 

-			{

-				// If the entry doesn't have a expires time we assume that the entry is due to expire now.

-				if (objEntry.Expires == 0) 

-				{

-					objEntry.Expires = ticksNow;

-				}

-

-                _arrBuckets[GetHashBucket(objEntry.Expires)].Add(objEntry);

-			}

-		}

-

-		public void Remove(CacheEntry objEntry)

-		{

-			long ticksNow = System.DateTime.Now.Ticks;

-

-			lock(this) 

-			{

-				// If the entry doesn't have a expires time we assume that the entry is due to expire now.

-				if (objEntry.Expires == 0) 

-				{

-					objEntry.Expires = ticksNow;

-				}

-

-				_arrBuckets[GetHashBucket(objEntry.Expires)].Remove(objEntry);

-			}

-		}

-

-		public void Update(CacheEntry objEntry, long ticksExpires)

-		{

-			long ticksNow = System.DateTime.Now.Ticks;

-

-			lock(this) 

-			{

-				// If the entry doesn't have a expires time we assume that the entry is due to expire now.

-				if (objEntry.Expires == 0) 

-				{

-					objEntry.Expires = ticksNow;

-				}

-

-				_arrBuckets[GetHashBucket(objEntry.Expires)].Update(objEntry, ticksExpires);

-			}		

-		}

-

-		public void GarbageCleanup(object State)

-		{

-			ExpiresBucket	objBucket;

-

-			lock(this)

-			{

-				// Do cleanup of the bucket 

-				objBucket = _arrBuckets[(++_intFlush) % 60];

-			}	

-

-			// Flush expired items in the current bucket (defined by _intFlush)

-			objBucket.FlushExpiredItems();

-		}

-

-		private int GetHashBucket(long ticks)

-		{

-			// Get bucket to add expire item into, add one minute to the bucket just to make sure that we get it in the bucket gc

-			return (int) (((((ticks + 60000) % _ticksPerCycle) / _ticksPerBucket) + 1) % 60);

-		}

-

-		/// <summary>

-		/// Called by the cache for cleanup.

-		/// </summary>

-		public void Dispose()

-		{

-			lock(this)

-			{

-				// Cleanup the internal timer

-				if (_objTimer != null)

-				{

-					_objTimer.Dispose();

-					_objTimer = null;

-				}

-			}

-		}

-	}

-}