/// <summary>
/// 构造Hadnler
/// </summary>
/// <param name="Entity"></param>
/// <param name="handler"></param>
public EntityHandler(T Entity, IDataBaseHandler handler)
{
IORMAdapter Adapter = ORMAdapterCreator.GetORMAdapter(handler.DbContext.ConnectionInfo.DataServerType);
m_SQLBuilder = Adapter.CreateSQLBuilder(Entity, Adapter);
m_Handle = handler;
m_Entity = Entity;
}
/// <summary>
/// 获取ORM适配器
/// </summary>
/// <param name="dataServerType"></param>
/// <returns></returns>
public static IORMAdapter GetORMAdapter(string dataServerType)
{
IORMAdapter factory = m_FactoryPool[dataServerType] as IORMAdapter;
if (factory == null)
{
dataServerType = ParseAdapterString(dataServerType);
factory = ObjectFactory.CreateObject(dataServerType) as IORMAdapter;
if (factory == null)
{
throw new Exception("不被支持的数据库链接类型!");
}
m_FactoryPool[dataServerType] = factory;
}
return(factory);
}
/// <summary>
/// 创建SQLBuilder对象
/// </summary>
/// <param name="Entity"></param>
/// <param name="Adapter"></param>
/// <returns></returns>
public SQLBuilder CreateSQLBuilder(AbstractEntity Entity, IORMAdapter Adapter)
{
return(new SQLBuilderSQLServer(Entity, Adapter));
}
/// <summary>
/// 构造方法
/// </summary>
/// <param name="entity"></param>
/// <param name="Adapter"></param>
public SQLBuilderSQLServer(AbstractEntity entity, IORMAdapter Adapter)
: base(entity, Adapter)
{
}
/// <summary>
/// 构造
/// </summary>
/// <param name="entity">实体对象</param>
/// <param name="DbAdapter">数据库类型</param>
public SQLBuilder(AbstractEntity entity, IORMAdapter DbAdapter)
: base(entity, DbAdapter)
{
m_Entity = entity;
}
/// <summary>
/// 构造
/// </summary>
/// <param name="entity"></param>
/// <param name="DbAdapter"></param>
public ExpSQLBuilder(AbstractEntity entity, IORMAdapter DbAdapter)
{
m_DBAdapter = DbAdapter;
m_Mapping = ORMAdapterCreator.MappingManager.GetMapping(entity.GetType());
}
/// <summary>
/// 创建IDataParameters
/// </summary>
/// <param name="ad"></param>
/// <returns></returns>
protected IDataParameters CreateDataParameters(IORMAdapter ad)
{
return(new DataParameters(ad));
}
/// <summary>
/// 构造方法
/// </summary>
/// <param name="entity"></param>
/// <param name="Adapter"></param>
public SQLBuilderSQLite(AbstractEntity entity, IORMAdapter Adapter)
: base(entity, Adapter)
{
this._Adapter = Adapter;
}
/// <summary>
/// 构造方法
/// </summary>
/// <param name="entity"></param>
/// <param name="Adapter"></param>
public SQLBuilderSqlCe(AbstractEntity entity, IORMAdapter Adapter)
: base(entity, Adapter)
{
}
