/// <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());
}
}