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Posted to commits@ibatis.apache.org by gb...@apache.org on 2005/07/04 20:35:18 UTC

svn commit: r209105 - in /ibatis/trunk/cs/mapper: IBatisNet.Common/ IBatisNet.Common/Utilities/Proxy/ IBatisNet.DataMapper.Test/NUnit/SqlMapTests/ IBatisNet.DataMapper/

Author: gbayon
Date: Mon Jul  4 11:35:17 2005
New Revision: 209105

URL: http://svn.apache.org/viewcvs?rev=209105&view=rev
Log:
- Added a cache for proxy type

Added:
    ibatis/trunk/cs/mapper/IBatisNet.Common/Utilities/Proxy/
    ibatis/trunk/cs/mapper/IBatisNet.Common/Utilities/Proxy/CachedProxyGenerator.cs
Modified:
    ibatis/trunk/cs/mapper/IBatisNet.Common/IBatisNet.Common.csproj
    ibatis/trunk/cs/mapper/IBatisNet.DataMapper.Test/NUnit/SqlMapTests/CacheTest.cs
    ibatis/trunk/cs/mapper/IBatisNet.DataMapper/LazyLoadList.cs

Modified: ibatis/trunk/cs/mapper/IBatisNet.Common/IBatisNet.Common.csproj
URL: http://svn.apache.org/viewcvs/ibatis/trunk/cs/mapper/IBatisNet.Common/IBatisNet.Common.csproj?rev=209105&r1=209104&r2=209105&view=diff
==============================================================================
--- ibatis/trunk/cs/mapper/IBatisNet.Common/IBatisNet.Common.csproj (original)
+++ ibatis/trunk/cs/mapper/IBatisNet.Common/IBatisNet.Common.csproj Mon Jul  4 11:35:17 2005
@@ -304,6 +304,11 @@
                     BuildAction = "Compile"
                 />
                 <File
+                    RelPath = "Utilities\Proxy\CachedProxyGenerator.cs"
+                    SubType = "Code"
+                    BuildAction = "Compile"
+                />
+                <File
                     RelPath = "Utilities\TypesResolver\CachedTypeResolver.cs"
                     SubType = "Code"
                     BuildAction = "Compile"

Added: ibatis/trunk/cs/mapper/IBatisNet.Common/Utilities/Proxy/CachedProxyGenerator.cs
URL: http://svn.apache.org/viewcvs/ibatis/trunk/cs/mapper/IBatisNet.Common/Utilities/Proxy/CachedProxyGenerator.cs?rev=209105&view=auto
==============================================================================
--- ibatis/trunk/cs/mapper/IBatisNet.Common/Utilities/Proxy/CachedProxyGenerator.cs (added)
+++ ibatis/trunk/cs/mapper/IBatisNet.Common/Utilities/Proxy/CachedProxyGenerator.cs Mon Jul  4 11:35:17 2005
@@ -0,0 +1,110 @@
+
+#region Apache Notice
+/*****************************************************************************
+ * $Header: $
+ * $Revision: $
+ * $Date: $
+ * 
+ * iBATIS.NET Data Mapper
+ * Copyright (C) 2004 - Gilles Bayon
+ *  
+ * 
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * 
+ ********************************************************************************/
+#endregion
+
+#region Using
+
+using System;
+using System.Collections;
+using System.Collections.Specialized;
+using Castle.DynamicProxy;
+using IBatisNet.Common.Exceptions;
+using IBatisNet.Common.Logging;
+
+#endregion
+
+namespace IBatisNet.Common.Utilities.Proxy
+{
+	/// <summary>
+	/// An ProxyGenerator with cache that uses the Castle.DynamicProxy library.
+	/// </summary>
+	public class CachedProxyGenerator : ProxyGenerator
+	{
+		private static readonly ILog _log = LogManager.GetLogger( System.Reflection.MethodBase.GetCurrentMethod().DeclaringType );
+
+		// key = mapped type
+		// value = proxy type
+		private IDictionary _cachedProxyTypes =null;
+
+		/// <summary>
+		/// Cosntructor
+		/// </summary>
+		public CachedProxyGenerator()
+		{
+			_cachedProxyTypes = new HybridDictionary();
+		}
+
+		/// <summary>
+		/// Generates a proxy implementing all the specified interfaces and
+		/// redirecting method invocations to the specifed interceptor.
+		/// </summary>
+		/// <param name="theInterface">Interface to be implemented</param>
+		/// <param name="interceptor">instance of <see cref="IInterceptor"/></param>
+		/// <param name="target"></param>
+		/// <returns>Proxy instance</returns>
+		public override object CreateProxy(Type theInterface, IInterceptor interceptor, object target)
+		{
+			return CreateProxy(new Type[] {theInterface}, interceptor, target);
+		}
+
+		/// <summary>
+		/// Generates a proxy implementing all the specified interfaces and
+		/// redirecting method invocations to the specifed interceptor.
+		/// </summary>
+		/// <param name="interfaces">Array of interfaces to be implemented</param>
+		/// <param name="interceptor">instance of <see cref="IInterceptor"/></param>
+		/// <param name="target"></param>
+		/// <returns>Proxy instance</returns>
+		public override object CreateProxy(Type[] interfaces, IInterceptor interceptor, object target)
+		{
+			try
+			{
+				System.Type proxyType = null;
+				System.Type targetType = target.GetType();
+
+				lock( _cachedProxyTypes.SyncRoot )
+				{
+					proxyType = _cachedProxyTypes[ targetType ] as System.Type;
+
+					if( proxyType == null )
+					{
+						proxyType = ProxyBuilder.CreateInterfaceProxy(interfaces, targetType );
+						_cachedProxyTypes[ targetType ] = proxyType;
+					}
+				}
+				return base.CreateProxyInstance( proxyType, interceptor, target );
+			}
+			catch( Exception e )
+			{
+				_log.Error( "Castle Dynamic Proxy Generator failed", e );
+				throw new IBatisNetException( "Castle Proxy Generator failed", e );
+			}
+
+
+		}
+
+
+	}
+}

Modified: ibatis/trunk/cs/mapper/IBatisNet.DataMapper.Test/NUnit/SqlMapTests/CacheTest.cs
URL: http://svn.apache.org/viewcvs/ibatis/trunk/cs/mapper/IBatisNet.DataMapper.Test/NUnit/SqlMapTests/CacheTest.cs?rev=209105&r1=209104&r2=209105&view=diff
==============================================================================
--- ibatis/trunk/cs/mapper/IBatisNet.DataMapper.Test/NUnit/SqlMapTests/CacheTest.cs (original)
+++ ibatis/trunk/cs/mapper/IBatisNet.DataMapper.Test/NUnit/SqlMapTests/CacheTest.cs Mon Jul  4 11:35:17 2005
@@ -22,7 +22,7 @@
 	[TestFixture] 
 	public class CacheTest : BaseTest
 	{
-			#region SetUp & TearDown
+		#region SetUp & TearDown
 
 		/// <summary>
 		/// SetUp

Modified: ibatis/trunk/cs/mapper/IBatisNet.DataMapper/LazyLoadList.cs
URL: http://svn.apache.org/viewcvs/ibatis/trunk/cs/mapper/IBatisNet.DataMapper/LazyLoadList.cs?rev=209105&r1=209104&r2=209105&view=diff
==============================================================================
--- ibatis/trunk/cs/mapper/IBatisNet.DataMapper/LazyLoadList.cs (original)
+++ ibatis/trunk/cs/mapper/IBatisNet.DataMapper/LazyLoadList.cs Mon Jul  4 11:35:17 2005
@@ -33,6 +33,7 @@
 using IBatisNet.Common;
 using IBatisNet.Common.Logging;
 using IBatisNet.Common.Utilities.Objects;
+using IBatisNet.Common.Utilities.Proxy;
 using IBatisNet.DataMapper.MappedStatements;
 
 #endregion
@@ -56,6 +57,7 @@
 		private object _loadLock = new object();
 		private static ArrayList _passthroughMethods = new ArrayList();
 
+		private static CachedProxyGenerator _proxyGenerator = new CachedProxyGenerator();
 		private static readonly ILog _logger = LogManager.GetLogger( MethodBase.GetCurrentMethod().DeclaringType );
 		#endregion
 
@@ -103,15 +105,13 @@
 			object proxList = null;
 			IInterceptor handler = new LazyLoadList(dataSource, mappedSatement, param, target, propertyName);
 
-			ProxyGenerator proxyGenerator = new ProxyGenerator();
-
 			if (mappedSatement.Statement.ListClass != null)
 			{
-				proxList = proxyGenerator.CreateProxy(typeof(IList), handler, mappedSatement.Statement.CreateInstanceOfListClass());
+				proxList = _proxyGenerator.CreateProxy(typeof(IList), handler, mappedSatement.Statement.CreateInstanceOfListClass());
 			}
 			else
 			{
-				proxList = proxyGenerator.CreateProxy(typeof(IList), handler, new ArrayList());
+				proxList = _proxyGenerator.CreateProxy(typeof(IList), handler, new ArrayList());
 			}
 
 			return (IList) proxList;