/// <summary>
/// Конвертирует настройки публикации сообщения в заголовки сообщения.
/// </summary>
/// <param name="options">Настройки публикации сообщения.</param>
/// <returns>Заголовки сообщения.</returns>
private IDictionary <string, object> ApplyOptions(PublishingOptions options)
{
var storage = this.Configuration.Options.GetIncomingMessageHeaderStorage().Value;
var incomingHeaders = storage.Load() ?? new Dictionary <string, object>();
var outgoingHeaders = new Dictionary <string, object>(incomingHeaders);
Headers.ApplyBreadcrumbs(outgoingHeaders, this.endpoint.Address);
Headers.ApplyOriginalMessageId(outgoingHeaders);
var defaultOptionsMap = new Dictionary <string, Func <Maybe> >
{
{ Headers.Persist, () => this.Configuration.Options.IsPersistently() },
{ Headers.Ttl, () => this.Configuration.Options.GetTtl() },
{ Headers.Delay, () => this.Configuration.Options.GetDelay() }
};
var publishingOptionsDict = options.GetAll();
var keys = defaultOptionsMap.Keys.Union(publishingOptionsDict.Keys).Distinct();
foreach (var key in keys)
{
var maybeValue = publishingOptionsDict.ContainsKey(key)
? publishingOptionsDict[key]
: defaultOptionsMap[key].Invoke();
if (maybeValue.HasValue)
{
outgoingHeaders[key] = maybeValue.Value;
}
}
return(outgoingHeaders);
}
/// <inheritdoc />
public void Handle(IConsumingContext <T> context)
{
BusProcessingContext.Current = new BusProcessingContext(((IDeliveryContext)context).Delivery, context.Bus);
this.@operator
.Apply(context.Message)
.ForEach(
m =>
{
var headers = new Dictionary <string, object>(m.Headers);
Headers.ApplyBreadcrumbs(headers, context.Bus.Endpoint.Address);
Headers.ApplyOriginalMessageId(headers);
context.Bus.Emit(m.Label, m.Payload, headers);
});
context.Accept();
}
/// <summary>
/// Конвертирует настройки публикации сообщения в заголовки сообщения.
/// </summary>
/// <param name="options">Настройки публикации сообщения.</param>
/// <returns>Заголовки сообщения.</returns>
private IDictionary <string, object> ApplyOptions(PublishingOptions options)
{
var storage = this.Configuration.Options.GetIncomingMessageHeaderStorage().Value;
var inputHeaders = storage.Load() ?? new Dictionary <string, object>();
var outputHeaders = new Dictionary <string, object>(inputHeaders);
Headers.ApplyBreadcrumbs(outputHeaders, this.endpoint.Address);
Headers.ApplyOriginalMessageId(outputHeaders);
Maybe <bool> persist = BusOptions.Pick(options.Persistently, this.Configuration.Options.IsPersistently());
Headers.ApplyPersistently(outputHeaders, persist);
Maybe <TimeSpan?> ttl = BusOptions.Pick(options.Ttl, this.Configuration.Options.GetTtl());
Headers.ApplyTtl(outputHeaders, ttl);
return(outputHeaders);
}