public static Output OptionStep <Input, Output>(this Input input, IPipeLineStep <Input, Output> step, Func <Input, bool> choice)
where Input : Output
{
System.Diagnostics.Trace.WriteLine("{0} Processing.", step.GetType().Name);
return(choice(input) ? step.Process(input) : input);
}
public OptionStep(IPipeLineStep <Input, Output> step, Func <Input, bool> choice)
{
Step = step;
Choice = choice;
}
/// <summary>
/// 定义泛型扩展方法
/// </summary>
/// <typeparam name="Input"></typeparam>
/// <typeparam name="Output"></typeparam>
/// <param name="input"></param>
/// <param name="step"></param>
/// <returns></returns>
public static Output Step <Input, Output>(this Input input, IPipeLineStep <Input, Output> step)
{
System.Diagnostics.Trace.WriteLine("{0} Processing.", step.GetType().Name);
return(step.Process(input));
}
public OptionalStep(IPipeLineStep <Input, Output> step, Func <Input, bool> iChoice)
{
Step = step;
IChoice = iChoice;
}
