/// <summary>
/// 获取绑定到当前线程的<see cref="ThreadLocalTransactionKeeper"/>实例。
/// </summary>
/// <param name="dbProviderFactory"><see cref="DbProviderFactory"/>实例。</param>
/// <param name="connectionString">初始化数据库连接的连接字符串。</param>
/// <returns><see cref="ThreadLocalTransactionKeeper"/>实例。</returns>
public static ThreadLocalTransactionKeeper OpenTransaction(
DbProviderFactory dbProviderFactory, string connectionString)
{
var theadId = Thread.CurrentThread.ManagedThreadId;
ThreadLocalTransactionKeeper keeper;
lock (Keepers)
{
if (Keepers.TryGetValue(theadId, out keeper))
{
keeper._embeddedLevel++;
}
else
{
keeper = new ThreadLocalTransactionKeeper(dbProviderFactory, connectionString);
Keepers.Add(theadId, keeper);
}
}
return(keeper);
}
/// <summary>
/// 创建事务容器。
/// </summary>
/// <returns><see cref="ITransactionKeeper"/>。</returns>
public virtual ITransactionKeeper CreateTransaction()
{
return(ThreadLocalTransactionKeeper.OpenTransaction(Factory, ConnectionString));
}