/// <summary>
/// 创建查询链
/// </summary>
private QueryMiddleware <TArgs, TResult> BuildUp()
{
List <Tuple <Type, object[]> > reversedParams;
lock (_middlewareParams)
reversedParams = Enumerable.Reverse(_middlewareParams).ToList();
QueryMiddleware <TArgs, TResult> lastMiddleware = null;
foreach (var param in reversedParams)
{
lastMiddleware = (QueryMiddleware <TArgs, TResult>)ActivatorUtilities.CreateInstance(_serviceProvider, param.Item1, lastMiddleware, param.Item2);
}
return(lastMiddleware);
}
public QueryMiddleware(QueryMiddleware <TArgs, TResult> next)
{
Next = next;
}