/// <summary>
/// Sets the method called when a message handler fails (throws an exception)
/// </summary>
/// <typeparam name="TMessageType">The message type</typeparam>
/// <param name="builder">The retry builder</param>
/// <param name="handlerFailedFunc">The method to call when the message handler fails. Return false to cancel further retry attempts.</param>
/// <returns>A retry builder</returns>
public static IRetryDecoratorBuilder <TMessageType> OnFail <TMessageType>(this IRetryDecoratorBuilder <TMessageType> builder, Func <bool> handlerFailedFunc)
{
if (handlerFailedFunc == null)
{
throw new ArgumentNullException(nameof(handlerFailedFunc));
}
return(builder.OnFail(attempt => TaskHelper.FromResult(handlerFailedFunc())));
}
/// <summary>
/// Sets the method called when a message handler fails (throws an exception)
/// </summary>
/// <typeparam name="TMessageType">The message type</typeparam>
/// <param name="builder">The retry builder</param>
/// <param name="handlerFailedFunc">The method to call when the message handler fails</param>
/// <returns>A retry builder</returns>
public static IRetryDecoratorBuilder <TMessageType> OnFail <TMessageType>(this IRetryDecoratorBuilder <TMessageType> builder, Action handlerFailedFunc)
{
if (handlerFailedFunc == null)
{
throw new ArgumentNullException(nameof(handlerFailedFunc));
}
return(builder.OnFail(
attempt =>
{
handlerFailedFunc();
return TaskHelper.TrueTask;
}));
}
/// <summary>
/// Configures a retry handler
/// </summary>
/// <typeparam name="TMessageType">The message type</typeparam>
/// <param name="builder">The retry builder</param>
/// <param name="retryHandler">The retry handler</param>
/// <returns>A retry builder</returns>
public static IRetryDecoratorBuilder <TMessageType> RetryHandler <TMessageType>(
this IRetryDecoratorBuilder <TMessageType> builder,
IMessageHandlerRetry <TMessageType> retryHandler)
{
return(builder.OnFail(retryHandler.HandleRetryAsync).OnSuccess(retryHandler.MessageHandledSuccessfullyAsync));
}
