adapdev-commits

[Sean M. <int...@us...>]

Update of /cvsroot/adapdev/Adapdev/src/Adapdev.Cache/Scavengers
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv19977/src/Adapdev.Cache/Scavengers

Added Files:
	AbsoluteExpirationScavenger.cs GreaterThanOrdinalScavenger.cs 
	IScavenger.cs LIFONumberScavenger.cs 
	SlidingExpirationScavenger.cs 
Log Message:
Reposting to the repository after it got hosed

--- NEW FILE: IScavenger.cs ---
using System;

namespace Adapdev.Cache.Scavengers
{
	/// <summary>
	/// Summary description for IScavenger.
	/// </summary>
	public interface IScavenger
	{
		void Scavenge(ICache cache);
	}
}

--- NEW FILE: LIFONumberScavenger.cs ---
using System;

namespace Adapdev.Cache.Scavengers
{
	/// <summary>
	/// Summary description for LIFOScavenger.
	/// </summary>
	public class LIFONumberScavenger : IScavenger
	{
		private int _num = 0;

		private LIFONumberScavenger(){}

		public LIFONumberScavenger(int numberOfItems)
		{
			this._num = numberOfItems;
		}
		#region IScavenger Members

		public void Scavenge(ICache cache)
		{
			CacheItem[] entries = cache.Entries;

			for(int i = entries.Length; i>= _num; i--)
			{
				CacheItem c = entries[i] as CacheItem;
				cache.Remove(c.ObjectType, c.Key);
			}
		}

		#endregion
	}
}

--- NEW FILE: SlidingExpirationScavenger.cs ---
using System;

namespace Adapdev.Cache.Scavengers
{
	/// <summary>
	/// Summary description for DateScavenger.
	/// </summary>
	public class SlidingExpirationScavenger : IScavenger
	{
		private TimeSpan _timespan;

		private SlidingExpirationScavenger(){}

		public SlidingExpirationScavenger(TimeSpan timespan)
		{
			this._timespan = timespan;
		}
		#region IScavenger Members

		public void Scavenge(ICache cache)
		{
			DateTime span = DateTime.Now.Subtract(this._timespan);

			foreach(CacheItem item in cache.Entries)
			{
				if(item.Created < span) cache.Remove(item.ObjectType, item.Key);
			}
		}

		#endregion
	}
}

--- NEW FILE: AbsoluteExpirationScavenger.cs ---
using System;

namespace Adapdev.Cache.Scavengers
{
	/// <summary>
	/// Summary description for DateScavenger.
	/// </summary>
	public class AbsoluteExpirationScavenger : IScavenger
	{
		private DateTime _date;

		private AbsoluteExpirationScavenger(){}

		public AbsoluteExpirationScavenger(DateTime dateTime)
		{
			this._date = dateTime;
		}
		#region IScavenger Members

		public void Scavenge(ICache cache)
		{
			foreach(CacheItem item in cache.Entries)
			{
				if(item.Created < this._date) cache.Remove(item.ObjectType, item.Key);
			}
		}

		#endregion
	}
}

--- NEW FILE: GreaterThanOrdinalScavenger.cs ---
using System;

namespace Adapdev.Cache.Scavengers
{
	/// <summary>
	/// Summary description for GreaterThanOrdinalScavenger.
	/// </summary>
	public class GreaterThanOrdinalScavenger : IScavenger
	{
		private int _greaterThan = 0;

		private GreaterThanOrdinalScavenger(){}

		public GreaterThanOrdinalScavenger(int greaterThan)
		{
			_greaterThan = greaterThan;
		}
		#region IScavenger Members

		public void Scavenge(ICache cache)
		{
			foreach(CacheItem c in cache.Entries)
			{
				if(c.Ordinal > this._greaterThan)
				{
					cache.Remove(c.ObjectType, c.Key);
				}
			}
		}

		#endregion
	}
}