/// <summary>
/// 提供数据源连接字符串和数据源查询与交互的注入器，初始化一个 <see cref="Aoite.Data.DbEngine"/> 类的新实例。
/// </summary>
/// <param name="connectionString">数据源连接字符串。</param>
/// <param name="injector">数据源查询与交互的注入器。</param>
public DbEngine(string connectionString, IDbInjector injector)
{
if (injector == null)
{
throw new ArgumentNullException("injector");
}
this._Injector = injector;
this._ConnectionString = connectionString;
}
/// <summary>
/// 初始化一个 <see cref="Aoite.Data.DefaultDbExecutor"/> 类的新实例。
/// </summary>
/// <param name="engine">数据源查询与交互引擎的实例。</param>
/// <param name="command">执行的命令。</param>
public DefaultDbExecutor(IDbEngine engine, ExecuteCommand command)
{
if (engine == null)
{
throw new ArgumentNullException("engine");
}
this._Engine = engine;
this._Command = command;
this._owner = engine.Owner;
this._connection = engine.CreateConnection();
this._transaction = engine.CreateTransaction();
this._engineInjector = this._owner.Injector;
}
