--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Source/Aspects/CacheAttribute.cs	Thu Mar 27 21:46:09 2014 +0400
@@ -0,0 +1,131 @@
+using System;
+using BLToolkit.Properties;
+using BLToolkit.Reflection;
+using BLToolkit.TypeBuilder.Builders;
+
+namespace BLToolkit.Aspects
+{
+	/// <summary>
+	/// http://www.bltoolkit.net/Doc/Aspects/index.htm
+	/// </summary>
+	[AttributeUsage(
+		AttributeTargets.Class |
+		AttributeTargets.Interface |
+		AttributeTargets.Property |
+		AttributeTargets.Method,
+		AllowMultiple=true)]
+	public class CacheAttribute : InterceptorAttribute
+	{
+		#region Constructors
+
+		public CacheAttribute()
+			: this(typeof(CacheAspect), null)
+		{
+		}
+
+		public CacheAttribute(Type cacheAspectType, string configString)
+			: base(
+				cacheAspectType,
+				InterceptType.BeforeCall | InterceptType.AfterCall,
+				configString,
+				TypeBuilderConsts.Priority.CacheAspect)
+		{
+			if (!TypeHelper.IsSameOrParent(typeof(CacheAspect), cacheAspectType))
+				throw new ArgumentException(Resources.CacheAttribute_ParentTypeConstraintViolated);
+		}
+
+		public CacheAttribute(Type interceptorType)
+			: this(interceptorType, null)
+		{
+		}
+
+		public CacheAttribute(Type interceptorType, int maxCacheTime)
+			: this(interceptorType, null)
+		{
+			MaxCacheTime = maxCacheTime;
+		}
+
+		public CacheAttribute(Type interceptorType, bool isWeak)
+			: this(interceptorType, null)
+		{
+			IsWeak = isWeak;
+		}
+
+		public CacheAttribute(Type interceptorType, int maxCacheTime, bool isWeak)
+			: this(interceptorType, null)
+		{
+			MaxCacheTime = maxCacheTime;
+			IsWeak       = isWeak;
+		}
+
+		public CacheAttribute(string configString)
+			: this(typeof(CacheAspect), configString)
+		{
+		}
+
+		public CacheAttribute(int maxCacheTime)
+			: this(typeof(CacheAspect), maxCacheTime)
+		{
+		}
+
+		public CacheAttribute(bool isWeak)
+			: this(typeof(CacheAspect), isWeak)
+		{
+		}
+
+		public CacheAttribute(int maxCacheTime, bool isWeak)
+			: this(typeof(CacheAspect), maxCacheTime, isWeak)
+		{
+		}
+
+		#endregion
+
+		#region Properties
+
+		private bool _hasMaxCacheTime;
+		private int  _maxCacheTime;
+		public  int   MaxCacheTime
+		{
+			get { return _maxCacheTime; }
+			set { _maxCacheTime = value; _hasMaxCacheTime = true; }
+		}
+
+		public  int   MaxSeconds
+		{
+			get { return MaxCacheTime / 1000;  }
+			set { MaxCacheTime = value * 1000; }
+		}
+
+		public  int   MaxMinutes
+		{
+			get { return MaxCacheTime / 60 / 1000;  }
+			set { MaxCacheTime = value * 60 * 1000; }
+		}
+
+		private bool _hasIsWeak;
+		private bool _isWeak;
+		public  bool  IsWeak
+		{
+			get { return _isWeak; }
+			set { _isWeak = value; _hasIsWeak = true; }
+		}
+
+		public override string ConfigString
+		{
+			get
+			{
+				string s = base.ConfigString;
+
+				if (_hasMaxCacheTime) s += ";MaxCacheTime=" + MaxCacheTime;
+				if (_hasIsWeak)       s += ";IsWeak="       + IsWeak;
+
+				if (!string.IsNullOrEmpty(s) && s[0] == ';')
+					s = s.Substring(1);
+
+				return s;
+			}
+		}
+
+		#endregion
+	}
+}