/// <summary>
/// Adds a fallback bot to a <see cref="IBotPolicy"/> with the given configuration.
/// </summary>
/// <param name="builder">The policy builder.</param>
/// <param name="configuration">The configuraton.</param>
/// <returns>The policy builder.</returns>
/// <example>
/// <code>
/// builder.Fallback(new FallbackConfiguration()
/// .WhenExceptionOccurs(exception => exception is HttpRequestException)
/// .WhenResultIs(result => result != OperationResult.Ok)
/// .OnFallback((exception, context) => onFallbackAction()))
/// </code>
/// </example>
public static IBotPolicyBuilder <TResult> Fallback <TResult>(this IBotPolicyBuilder <TResult> builder, FallbackConfiguration <TResult> configuration)
{
Shield.EnsureNotNull(configuration, nameof(configuration));
return(builder.AddBot((innerBot, config) => new FallbackBot <TResult>(innerBot, config), configuration));
}
private IBotPolicy CreatePolicy(FallbackConfiguration conf) =>
new BotPolicy(config => config
.Configure(botconfig => botconfig
.Fallback(conf)));
/// <summary>
/// Adds a fallback bot to a <see cref="IBotPolicy"/> with the given configuration.
/// </summary>
/// <param name="builder">The policy builder.</param>
/// <param name="configuration">The configuraton.</param>
/// <returns>The policy builder.</returns>
/// <example>
/// <code>
/// builder.Fallback(new FallbackConfiguration()
/// .WhenExceptionOccurs(exception => exception is HttpRequestException)
/// .OnFallback((exception, context) => onFallbackAction()))
/// </code>
/// </example>
public static IBotPolicyBuilder Fallback(this IBotPolicyBuilder builder, FallbackConfiguration configuration)
{
Shield.EnsureNotNull(configuration, nameof(configuration));
return(builder.AddBot((innerBot, config) => new FallbackBot(innerBot, config), configuration));
}