/// <summary>
/// Creates a <see cref="Sink{TIn,TMat}"/> that groups messages and publishes
/// them in batches to a SQS queue using a <paramref name="client"/>.
/// See also: https://getakka.net/articles/streams/builtinstages.html#groupedwithin
/// </summary>
public static Sink <SendMessageRequest, Task> GroupedMessageSink(IAmazonSQS client, string queueUrl, SqsPublishGroupedSettings settings = null) =>
SqsPublishFlow.Grouped(client, queueUrl, settings)
.ToMaterialized(Sink.Ignore <SqsPublishResultEntry>(), Keep.Right);
/// <summary>
/// Creates a <see cref="Flow{TIn,TOut,TMat}"/> to publish messages to a SQS queue using a <paramref name="client"/>.
/// See also: https://getakka.net/articles/streams/builtinstages.html#groupedwithin
/// </summary>
public static Flow <SendMessageRequest, SqsPublishResultEntry, NotUsed> Grouped(IAmazonSQS client,
string queueUrl, SqsPublishGroupedSettings settings = null)
{
settings = settings ?? SqsPublishGroupedSettings.Default;
return(Flow.Create <SendMessageRequest>()
.GroupedWithin(settings.MaxBatchSize, settings.MaxBatchWait)
.Via(Batch(client, queueUrl, SqsPublishBatchSettings.Default.WithConcurrentRequests(settings.ConcurrentRequests)))
.SelectMany(x => x));
}
/// <summary>
/// Creates a <see cref="Sink{TIn,TMat}"/> that groups strings and publishes
/// them as messages in batches to a SQS queue using a <paramref name="client"/>.
/// See also: https://getakka.net/articles/streams/builtinstages.html#groupedwithin
/// </summary>
public static Sink <string, Task> Grouped(IAmazonSQS client, string queueUrl, SqsPublishGroupedSettings settings = null) =>
Flow.FromFunction((string msg) => new SendMessageRequest(queueUrl, msg))
.ToMaterialized(GroupedMessageSink(client, queueUrl, settings), Keep.Right);
