/// <summary> /// Implements persistent message delivery handler /// </summary> /// <param name="builder">Horse MQ Builder</param> /// <param name="deleteWhen">Decision when messages are deleted from disk</param> /// <param name="producerAckDecision">Decision when producer receives acknowledge</param> /// <param name="useRedelivery">True if want to keep redelivery data and send to consumers with message headers</param> /// <param name="ackTimeoutPutback">Putback decision when ack message isn't received</param> /// <param name="nackPutback">Putback decision when negative ack is received</param> /// <returns></returns> public static HorseMqBuilder UsePersistentDeliveryHandler(this HorseMqBuilder builder, DeleteWhen deleteWhen, ProducerAckDecision producerAckDecision, bool useRedelivery = false, PutBackDecision ackTimeoutPutback = PutBackDecision.End, PutBackDecision nackPutback = PutBackDecision.End) { builder.Server.DeliveryHandlerFactory = async(dh) => { DatabaseOptions databaseOptions = ConfigurationFactory.Builder.CreateOptions(dh.Queue); PersistentDeliveryHandler handler = new PersistentDeliveryHandler(dh.Queue, databaseOptions, deleteWhen, producerAckDecision, useRedelivery, dh.DeliveryHandlerHeader); handler.AckTimeoutPutBack = ackTimeoutPutback; handler.NegativeAckPutBack = nackPutback; await handler.Initialize(); dh.OnAfterCompleted(AfterDeliveryHandlerCreated); return(handler); }; return(builder); }
/// <summary> /// Creates and returns persistent queue /// </summary> internal static async Task <HorseQueue> CreateQueue(HorseMq mq, string queueName, DeleteWhen deleteWhen, ProducerAckDecision producerAckDecision, QueueOptions options) { return(await mq.CreateQueue(queueName, options, async builder => { DatabaseOptions databaseOptions = ConfigurationFactory.Builder.CreateOptions(builder.Queue); PersistentDeliveryHandler handler = new PersistentDeliveryHandler(builder.Queue, databaseOptions, deleteWhen, producerAckDecision); await handler.Initialize(); return handler; })); }
/// <summary> /// Creates and initializes new persistent delivery handler for the queue /// </summary> /// <param name="builder">Delivery handler builder</param> /// <param name="deleteWhen">Decision when messages are deleted from disk</param> /// <param name="producerAckDecision">Decision when producer receives acknowledge</param> /// <param name="useRedelivery">True if want to keep redelivery data and send to consumers with message headers</param> /// <param name="key">Definition key for delivery handler. You can manage with that key, how the queue will be reloaded.</param> /// <param name="ackTimeoutPutback">Putback decision when ack message isn't received</param> /// <param name="nackPutback">Putback decision when negative ack is received</param> /// <returns></returns> public static async Task <IMessageDeliveryHandler> CreatePersistentDeliveryHandler(this DeliveryHandlerBuilder builder, DeleteWhen deleteWhen, ProducerAckDecision producerAckDecision, bool useRedelivery = false, PutBackDecision ackTimeoutPutback = PutBackDecision.End, PutBackDecision nackPutback = PutBackDecision.End, string key = "default") { DatabaseOptions databaseOptions = ConfigurationFactory.Builder.CreateOptions(builder.Queue); PersistentDeliveryHandler handler = new PersistentDeliveryHandler(builder.Queue, databaseOptions, deleteWhen, producerAckDecision, useRedelivery, key); handler.AckTimeoutPutBack = ackTimeoutPutback; handler.NegativeAckPutBack = nackPutback; await handler.Initialize(); builder.OnAfterCompleted(AfterDeliveryHandlerCreated); return(handler); }