/// <summary> /// Builds the the iBATIS core model (statement, alias, resultMap, parameterMap, dataSource) /// from an <see cref="IConfigurationStore"/> and store all the refrences in an <see cref="IModelStore"/> . /// </summary> /// <param name="configurationSetting">The configuration setting.</param> /// <param name="store">The configuration store.</param> /// <returns>The model store</returns> public virtual void BuildModel(ConfigurationSetting configurationSetting, IConfigurationStore store) { IObjectFactory objectFactory = null; IGetAccessorFactory getAccessorFactory = null; ISetAccessorFactory setAccessorFactory = null; ISessionFactory sessionFactory = null; ISessionStore sessionStore = null; if (configurationSetting != null) { objectFactory = configurationSetting.ObjectFactory; setAccessorFactory = configurationSetting.SetAccessorFactory; getAccessorFactory = configurationSetting.GetAccessorFactory; dataSource = configurationSetting.DataSource; sessionFactory = configurationSetting.SessionFactory; sessionStore = configurationSetting.SessionStore; dynamicSqlEngine = configurationSetting.DynamicSqlEngine; isCacheModelsEnabled = configurationSetting.IsCacheModelsEnabled; useStatementNamespaces = configurationSetting.UseStatementNamespaces; useReflectionOptimizer = configurationSetting.UseReflectionOptimizer; preserveWhitespace = configurationSetting.PreserveWhitespace; } // Xml setting override code setting LoadSetting(store); if (objectFactory == null) { objectFactory = new ObjectFactory(useReflectionOptimizer); } if (setAccessorFactory == null) { setAccessorFactory = new SetAccessorFactory(useReflectionOptimizer); } if (getAccessorFactory == null) { getAccessorFactory = new GetAccessorFactory(useReflectionOptimizer); } AccessorFactory accessorFactory = new AccessorFactory(setAccessorFactory, getAccessorFactory); TypeHandlerFactory typeHandlerFactory = new TypeHandlerFactory(); TypeAlias alias = new TypeAlias("MEMORY", typeof(PerpetualCache)); typeHandlerFactory.AddTypeAlias(alias.Id, alias); alias = new TypeAlias("Perpetual", typeof(PerpetualCache)); typeHandlerFactory.AddTypeAlias(alias.Id, alias); alias = new TypeAlias("LRU", typeof(LruCache)); typeHandlerFactory.AddTypeAlias(alias.Id, alias); alias = new TypeAlias("Lru", typeof(LruCache)); typeHandlerFactory.AddTypeAlias(alias.Id, alias); alias = new TypeAlias("FIFO", typeof(FifoCache)); typeHandlerFactory.AddTypeAlias(alias.Id, alias); alias = new TypeAlias("Fifo", typeof(FifoCache)); typeHandlerFactory.AddTypeAlias(alias.Id, alias); alias = new TypeAlias("Weak", typeof(WeakCache)); typeHandlerFactory.AddTypeAlias(alias.Id, alias); alias = new TypeAlias("WEAK", typeof(WeakCache)); typeHandlerFactory.AddTypeAlias(alias.Id, alias); alias = new TypeAlias("AnsiStringTypeHandler", typeof(AnsiStringTypeHandler)); typeHandlerFactory.AddTypeAlias(alias.Id, alias); modelStore.DataExchangeFactory = new DataExchangeFactory(typeHandlerFactory, objectFactory, accessorFactory); if (sessionStore == null) { sessionStore = SessionStoreFactory.GetSessionStore(modelStore.Id); } modelStore.SessionStore = sessionStore; deSerializerFactory = new DeSerializerFactory(modelStore); ParameterMap emptyParameterMap = new ParameterMap( ConfigConstants.EMPTY_PARAMETER_MAP, string.Empty, string.Empty, typeof(string), modelStore.DataExchangeFactory.GetDataExchangeForClass(null), false); modelStore.AddParameterMap(emptyParameterMap); BuildProviders(store); BuildDataSource(store); if (sessionFactory == null) { sessionFactory = new DefaultSessionFactory( dataSource, modelStore.SessionStore, new DefaultTransactionManager(new AdoTransactionFactory())); } modelStore.SessionFactory = sessionFactory; BuildTypeAlias(store); BuildTypeHandlers(store); BuildCacheModels(store); BuildResultMaps(store); for (int i = 0; i < nestedProperties.Count; i++) { ResultProperty property = nestedProperties[i]; property.NestedResultMap = modelStore.GetResultMap(property.NestedResultMapName); } for (int i = 0; i < discriminators.Count; i++) { discriminators[i].Initialize(modelStore); } BuildParameterMaps(store); BuildMappedStatements(store, configurationSetting); for (int i = 0; i < store.CacheModels.Length; i++) { CacheModel cacheModel = modelStore.GetCacheModel(store.CacheModels[i].Id); for (int j = 0; j < cacheModel.StatementFlushNames.Count; j++) { string statement = cacheModel.StatementFlushNames[j]; IMappedStatement mappedStatement = modelStore.GetMappedStatement(statement); if (mappedStatement != null) { cacheModel.RegisterTriggerStatement(mappedStatement); if (logger.IsDebugEnabled) { logger.Debug("Registering trigger statement [" + statement + "] to cache model [" + cacheModel.Id + "]"); } } else { if (logger.IsWarnEnabled) { logger.Warn("Unable to register trigger statement [" + statement + "] to cache model [" + cacheModel.Id + "]. Statement does not exist."); } } } } if (logger.IsInfoEnabled) { logger.Info("Model Store"); logger.Info(modelStore.ToString()); } }
public void TestSetIntegerPerformance() { const int TEST_ITERATIONS = 1000000; Property prop = new Property(); int value = 123; Timer timer = new Timer(); #region Direct access (fastest) GC.Collect(); GC.WaitForPendingFinalizers(); timer.Start(); for (int i = 0; i < TEST_ITERATIONS; i++) { prop.Int = value; } timer.Stop(); double directAccessDuration = 1000000 * (timer.Duration / (double)TEST_ITERATIONS); #endregion #region Property accessor GC.Collect(); GC.WaitForPendingFinalizers(); ISetAccessorFactory factory = new SetAccessorFactory(true); ISetAccessor propertyAccessor = factory.CreateSetAccessor(typeof(Property), "Int"); timer.Start(); for (int i = 0; i < TEST_ITERATIONS; i++) { propertyAccessor.Set(prop, value); } timer.Stop(); double propertyAccessorDuration = 1000000 * (timer.Duration / (double)TEST_ITERATIONS); double propertyAccessorRatio = propertyAccessorDuration / directAccessDuration; #endregion #region IBatisNet.Common.Utilities.Object.ReflectionInfo GC.Collect(); GC.WaitForPendingFinalizers(); Type type = prop.GetType(); ReflectionInfo reflectionInfo = ReflectionInfo.GetInstance(type); timer.Start(); for (int i = 0; i < TEST_ITERATIONS; i++) { PropertyInfo propertyInfo = (PropertyInfo)reflectionInfo.GetSetter("Int"); propertyInfo.SetValue(prop, value, null); } timer.Stop(); double reflectionInfoDuration = 1000000 * (timer.Duration / (double)TEST_ITERATIONS); double reflectionInfoRatio = reflectionInfoDuration / directAccessDuration; #endregion #region Reflection GC.Collect(); GC.WaitForPendingFinalizers(); timer.Start(); for (int i = 0; i < TEST_ITERATIONS; i++) { PropertyInfo propertyInfo = type.GetProperty("Int", BindingFlags.Public | BindingFlags.SetProperty | BindingFlags.Instance); propertyInfo.SetValue(prop, value, null); } timer.Stop(); double reflectionDuration = 1000000 * (timer.Duration / (double)TEST_ITERATIONS); double reflectionRatio = reflectionDuration / directAccessDuration; #endregion #region ReflectionInvokeMember (slowest) GC.Collect(); GC.WaitForPendingFinalizers(); timer.Start(); for (int i = 0; i < TEST_ITERATIONS; i++) { type.InvokeMember("Int", BindingFlags.Public | BindingFlags.SetProperty | BindingFlags.Instance, null, prop, new object[] { value }); } timer.Stop(); double reflectionInvokeMemberDuration = 1000000 * (timer.Duration / (double)TEST_ITERATIONS); double reflectionInvokeMemberRatio = reflectionInvokeMemberDuration / directAccessDuration; #endregion // Print results Console.WriteLine("{0} property sets on integer...", TEST_ITERATIONS); Console.WriteLine("Direct access: \t\t{0} ", directAccessDuration.ToString("F3")); Console.WriteLine("IMemberAccessor: \t\t{0} Ratio: {1}", propertyAccessorDuration.ToString("F3"), propertyAccessorRatio.ToString("F3")); Console.WriteLine("IBatisNet ReflectionInfo: \t{0} Ratio: {1}", reflectionInfoDuration.ToString("F3"), reflectionInfoRatio.ToString("F3")); Console.WriteLine("ReflectionInvokeMember: \t{0} Ratio: {1}", reflectionInvokeMemberDuration.ToString("F3"), reflectionInvokeMemberRatio.ToString("F3")); Console.WriteLine("Reflection: \t\t\t{0} Ratio: {1}", reflectionDuration.ToString("F3"), reflectionRatio.ToString("F3")); }
/// <summary> /// Builds the the iBATIS core model (statement, alias, resultMap, parameterMap, dataSource) /// from an <see cref="IConfigurationStore"/> and store all the refrences in an <see cref="IModelStore"/> . /// </summary> /// <param name="configurationSetting">The configuration setting.</param> /// <param name="store">The configuration store.</param> /// <returns>The model store</returns> public virtual void BuildModel(ConfigurationSetting configurationSetting, IConfigurationStore store) { IObjectFactory objectFactory = null; IGetAccessorFactory getAccessorFactory = null; ISetAccessorFactory setAccessorFactory = null; ISessionFactory sessionFactory = null; ISessionStore sessionStore = null; if (configurationSetting != null) { objectFactory = configurationSetting.ObjectFactory; setAccessorFactory = configurationSetting.SetAccessorFactory; getAccessorFactory = configurationSetting.GetAccessorFactory; dataSource = configurationSetting.DataSource; sessionFactory = configurationSetting.SessionFactory; sessionStore = configurationSetting.SessionStore; dynamicSqlEngine = configurationSetting.DynamicSqlEngine; isCacheModelsEnabled = configurationSetting.IsCacheModelsEnabled; useStatementNamespaces = configurationSetting.UseStatementNamespaces; useReflectionOptimizer = configurationSetting.UseReflectionOptimizer; preserveWhitespace = configurationSetting.PreserveWhitespace; } // Xml setting override code setting //取store中的数据初始化类成员 为下面做准备 LoadSetting(store); if (objectFactory == null) { objectFactory = new ObjectFactory(useReflectionOptimizer); } if (setAccessorFactory == null) { setAccessorFactory = new SetAccessorFactory(useReflectionOptimizer); } if (getAccessorFactory == null) { getAccessorFactory = new GetAccessorFactory(useReflectionOptimizer); } AccessorFactory accessorFactory = new AccessorFactory(setAccessorFactory, getAccessorFactory); TypeHandlerFactory typeHandlerFactory = new TypeHandlerFactory(); TypeAlias alias = new TypeAlias("MEMORY", typeof(PerpetualCache)); typeHandlerFactory.AddTypeAlias(alias.Id, alias); alias = new TypeAlias("Perpetual", typeof(PerpetualCache)); typeHandlerFactory.AddTypeAlias(alias.Id, alias); alias = new TypeAlias("LRU", typeof(LruCache)); typeHandlerFactory.AddTypeAlias(alias.Id, alias); alias = new TypeAlias("Lru", typeof(LruCache)); typeHandlerFactory.AddTypeAlias(alias.Id, alias); alias = new TypeAlias("FIFO", typeof(FifoCache)); typeHandlerFactory.AddTypeAlias(alias.Id, alias); alias = new TypeAlias("Fifo", typeof(FifoCache)); typeHandlerFactory.AddTypeAlias(alias.Id, alias); alias = new TypeAlias("Weak", typeof(WeakCache)); typeHandlerFactory.AddTypeAlias(alias.Id, alias); alias = new TypeAlias("WEAK", typeof(WeakCache)); typeHandlerFactory.AddTypeAlias(alias.Id, alias); alias = new TypeAlias("MemCached", typeof(MemCached)); typeHandlerFactory.AddTypeAlias(alias.Id, alias); alias = new TypeAlias("MEMCACHED", typeof(MemCached)); typeHandlerFactory.AddTypeAlias(alias.Id, alias); alias = new TypeAlias("AnsiStringTypeHandler", typeof(AnsiStringTypeHandler)); typeHandlerFactory.AddTypeAlias(alias.Id, alias); //将以上类信息存入到modelStore中 实质性工作 modelStore.DataExchangeFactory = new DataExchangeFactory(typeHandlerFactory, objectFactory, accessorFactory); if (sessionStore == null) { sessionStore = SessionStoreFactory.GetSessionStore(modelStore.Id); } //将ISessionStore类对象存入modelStore中 准备数据库的连接 与 事物操作功能 实质性工作 modelStore.SessionStore = sessionStore; //初始化DefaultModelBuilder的成员变量 deSerializerFactory = new DeSerializerFactory(modelStore); //设置一个空类型的参数映射类 ParameterMap emptyParameterMap = new ParameterMap( ConfigConstants.EMPTY_PARAMETER_MAP, string.Empty, string.Empty, typeof(string), modelStore.DataExchangeFactory.GetDataExchangeForClass(null), //获得ComplexDataExchange对象 false); //向参数字典中添加一个空参数类 modelStore.AddParameterMap(emptyParameterMap); //完成了对DefaultModelBuilder成员变量dbProviderFactory的初始化,其中完成了对provider使用中节点的类初始化 BuildProviders(store); //完成了对DefaultModelBuilder成员变量IDataSource的初始化,包括数据库的名字 连接字符串 以及DbPrivder类 BuildDataSource(store); if (sessionFactory == null) { sessionFactory = new DefaultSessionFactory( dataSource, modelStore.SessionStore, new DefaultTransactionManager(new AdoTransactionFactory())); } //初始化modelStore中的ISessionFactory变量 modelStore.SessionFactory = sessionFactory; //将具体SQLXML配置文件中的Alias节点对应的别名信息写入到modelStore中的TypeHandlerFactory的字典中 BuildTypeAlias(store); //将TypeHanders下的子节点信息放入 modelStore.DataExchangeFactory.TypeHandlerFactory中的字典当中 BuildTypeHandlers(store); //将cacheModels下子节点cacheModel加入到modelStore的CacheModel字典中 BuildCacheModels(store); //将resultMap节点信息添加到modelStore的resultMaps中 BuildResultMaps(store); //为resultMapping属性所在的节点信息类设置对应的ResultProperty for (int i = 0; i < nestedProperties.Count; i++) { ResultProperty property = nestedProperties[i]; property.NestedResultMap = modelStore.GetResultMap(property.NestedResultMapName); } for (int i = 0; i < discriminators.Count; i++) { //完成对discriminator类中对字典的初始化 discriminators[i].Initialize(modelStore); } //将parameter节点信息添加到modelStore类中的parameterMaps字典中 BuildParameterMaps(store); //将statements下的节点添加到modelStore的statements的字典中 BuildMappedStatements(store, configurationSetting); for (int i = 0; i < store.CacheModels.Length; i++) { CacheModel cacheModel = modelStore.GetCacheModel(store.CacheModels[i].Id); for (int j = 0; j < cacheModel.StatementFlushNames.Count; j++) { string statement = cacheModel.StatementFlushNames[j]; IMappedStatement mappedStatement = modelStore.GetMappedStatement(statement); if (mappedStatement != null) { //为IMappedStatement类的Executed制定委托事件 目的是清空缓存 cacheModel.RegisterTriggerStatement(mappedStatement); if (logger.IsDebugEnabled) { logger.Debug("Registering trigger statement [" + statement + "] to cache model [" + cacheModel.Id + "]"); } } else { if (logger.IsWarnEnabled) { logger.Warn("Unable to register trigger statement [" + statement + "] to cache model [" + cacheModel.Id + "]. Statement does not exist."); } } } } if (logger.IsInfoEnabled) { logger.Info("Model Store"); logger.Info(modelStore.ToString()); } }