/// <summary>
/// Initializes a new instance of the <see cref="DataExchangeFactory"/> class.
/// </summary>
/// <param name="typeHandlerFactory">The type handler factory.</param>
/// <param name="objectFactory">The object factory.</param>
/// <param name="accessorFactory">The accessor factory.</param>
public DataExchangeFactory(TypeHandlerFactory typeHandlerFactory,
IObjectFactory objectFactory,
AccessorFactory accessorFactory)
{
_objectFactory = objectFactory;
_typeHandlerFactory = typeHandlerFactory;
_accessorFactory = accessorFactory;
_primitiveDataExchange = new PrimitiveDataExchange(this);
_complexDataExchange = new ComplexDataExchange(this);
_listDataExchange = new ListDataExchange(this);
_dictionaryDataExchange = new DictionaryDataExchange(this);
}
/// <summary>
/// Constructor to create via a factory
/// </summary>
/// <param name="factory">the factory to associate this with</param>
public UnknownTypeHandler(TypeHandlerFactory factory)
{
_factory = factory;
}
/// <summary>
/// Constructor to create via a factory
/// </summary>
/// <param name="factory">the factory to associate this with</param>
public UnknownTypeHandler(TypeHandlerFactory factory)
{
_factory = factory;
}
/// <summary>
/// Initializes a new instance of the <see cref="ResultMap"/> class.
/// </summary>
/// <param name="id">Identifier used to identify the resultMap amongst the others.</param>
/// <param name="className">The output class name of the resultMap.</param>
/// <param name="extendMap">The extend result map bame.</param>
/// <param name="groupBy">The groupBy properties</param>
/// <param name="keyColumns">The key columns.</param>
/// <param name="type">The result type.</param>
/// <param name="dataExchange">The data exchange.</param>
/// <param name="objectFactory">The object factory.</param>
/// <param name="typeHandlerFactory">The type handler factory.</param>
/// <param name="properties">The properties.</param>
/// <param name="parameters">The parameters.</param>
/// <param name="discriminator">The discriminator.</param>
public ResultMap(
string id,
string className,
string extendMap,
string groupBy,
string keyColumns,
Type type,
IDataExchange dataExchange,
IFactory objectFactory,
TypeHandlerFactory typeHandlerFactory,
ResultPropertyCollection properties,
ArgumentPropertyCollection parameters,
Discriminator discriminator)
{
Contract.Require.That(id, Is.Not.Null & Is.Not.Empty).When("retrieving argument id in ResultMap constructor");
Contract.Require.That(className, Is.Not.Null & Is.Not.Empty).When("retrieving argument className in ResultMap constructor");
Contract.Require.That(type, Is.Not.Null).When("retrieving argument type in ResultMap constructor");
Contract.Require.That(typeHandlerFactory, Is.Not.Null).When("retrieving argument typeHandlerFactory in ResultMap constructor");
nullResultMap = new NullResultMap();
this.id = id;
this.className = className;
this.extendMap = extendMap;
this.type = type;
this.dataExchange = dataExchange;
this.properties = properties;
this.parameters = parameters;
this.discriminator = discriminator;
this.objectFactory = objectFactory;
isSimpleType = typeHandlerFactory.IsSimpleType(type);
if (!string.IsNullOrEmpty(groupBy))
{
string[] props = groupBy.Split(',');
for (int i = 0; i < props.Length; i++)
{
string memberName = props[i].Trim();
groupByPropertyNames.Add(memberName);
}
InitializeGroupByProperties();
CheckGroupBy();
}
if (!string.IsNullOrEmpty(keyColumns))
{
string[] columns = keyColumns.Split(',');
for (int i = 0; i < columns.Length; i++)
{
string column = columns[i].Trim();
keyPropertyNames.Add(column);
}
InitializeKeysProperties();
CheckKeysProperties();
}
}
/// <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());
}
}
/// <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());
}
}