public static FlowElementResult Error <TResult, TError>(this IFlowElementExecute elementExecute, [NotNull] TError error,
[NotNull] TResult result)
{
return(new FlowErrorResult {
ErrorObject = error, Result = result
});
}
private static async Task <CanExecuteResult> CheckCanExecuteAsync(IFlowElementExecute elementExecute, object currentInput, FlowState state)
{
try
{
if (elementExecute is IFlowElementCanExecute canExecute)
{
return(await canExecute.CanExecuteAsync(currentInput, state));
}
return(CanExecuteResult.Continue);
}
catch (TargetInvocationException ex)
{
if (ex.InnerException != null)
{
throw ex.InnerException;
}
throw;
}
}
public static FlowElementResult Success <TResult>(this IFlowElementExecute elementExecute, [NotNull] TResult result)
{
return(new FlowSuccessResult {
Result = result
});
}
public static FlowElementResult Restart <TResult>(this IFlowElementExecute elementExecute, [NotNull] TResult result)
{
return(new FlowRestartResult {
Result = result
});
}
public static FlowElementResult GoToEnd <TResult>(this IFlowElementExecute elementExecute, [NotNull] TResult result)
{
return(new FlowGoToEndResult {
Result = result
});
}
public static FlowElementResult Error <TResult>(this IFlowElementExecute elementExecute, [NotNull] TResult error)
{
return(new FlowErrorResult {
ErrorObject = error
});
}
public static IFlowElementExecute MapOnError(this IFlowElementExecute from, Func <FlowElementResult, object, FlowState, Task <object> > map)
{
return(new MapFlowElement(map, from, typeof(FlowErrorResult)));
}
/// <summary>
/// Execute the step you are mapping and do something on its result
/// </summary>
/// <param name="from">The step for which the value is being mapped</param>
/// <param name="map">Map Action parameters are The FlowElementResult, the argument object, and flow state</param>
/// <returns></returns>
public static IFlowElementExecute Map(this IFlowElementExecute from, Func <FlowElementResult, object, FlowState, Task <object> > map)
{
return(new MapFlowElement(map, from, null));
}
public MapFlowElement(Func <FlowElementResult, object, FlowState, Task <object> > map, IFlowElementExecute decorated, Type mapOn)
{
_map = map;
_decorated = decorated;
_mapOn = mapOn;
}
public LoggingExecuteDecorator(IFlowElementExecute element)
{
_logger = LogManager.GetLogger(element.GetType());
_element = element;
}
