Habari STOMP Client for RabbitMQ is a high-level, object-oriented Stomp client library for Delphi and Free Pascal which provides access to the RabbitMQ free open source message broker.
language
With this library, developers can build integrated solutions, connecting cross language clients and protocols, using the peer-to-peer or the publish-and-subscribe communication model.favorite_border
It is easy to configure and provides a high-level API and programming model, based on connections, sessions, destinations, message producers, and message consumers.filter_list
The library uses the Stomp protocol for its communication with the message broker. Supported Stomp protocol version levels are 1.0, 1.1 and 1.2.Habari STOMP Client libraries support broker-specific extensions of the Stomp specification. Most of them can be accessed with the same client side code across all broker versions.
timer
By default, a message never expires. If a message will become obsolete after a certain period, however, you may want to set an expiration time for the message.
traffic
A client can specify a priority for each message it sends. Message priorities affect the order in which the messages are delivered to the consumers.
storage
Brokers support reliable messaging by allowing messages to be persisted so that they can be recovered if there is failure which kills the broker.
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Even if the client which created the durable subscription is not online, he can still get a copy of all the messages sent to the topic when he comes back online.
import_export
Binary and text messages can be exchanged between STOMP and non-STOMP clients. (Object and map messages are exchanged as text messages)
sync
Temporary destinations are typically used to receive response messages in a request/response messaging exchange.
Not available for Artemis
Released 26 August 2023
Read the "Getting Started" user guide for Habari STOMP Client for RabbitMQ
Browse the online API documentation for Habari STOMP Client for RabbitMQ
Browse release notes (new features, enhancements, and bug fixes)
Frequently asked questions: use cases, licensing, and technical
Contact Habarisoft for support and sales inqueries
View the Habari STOMP Client feature matrix
Code for sending (producing) messages:
// Getting connection from the server and starting it ConnectionFactory := TBTConnectionFactory.Create; try Connection := ConnectionFactory.CreateConnection; Connection.Start; // Messages are sent and received using a Session. We will // create here a non-transactional session object. If you want // to use transactions you should set the first parameter to 'true' Session := Connection.CreateSession(False, amAutoAcknowledge); // Destination represents here our queue 'ExampleQueue' on the // server. You don't have to do anything special on the // server to create it, it will be created automatically. Destination := Session.CreateQueue('ExampleQueue'); // MessageProducer is used for sending messages (as opposed // to MessageConsumer which is used for receiving them) Producer := Session.CreateProducer(Destination); // We will send a small TextMessage saying 'My hovercraft is full of eels' in Mandarin: TextMessage := Session.CreateTextMessage("我的氣墊船裝滿了鱔魚"); // Here we are sending the message Producer.Send(Message); finally Connection.Close; end;
Code for receiving (consuming) messages:
// Getting connection from the server and starting it
ConnectionFactory := TBTConnectionFactory.Create;
try
Connection := ConnectionFactory.CreateConnection;
Connection.Start;
// Messages are sent and received using a Session. We will
// create here a non-transactional session object. If you want
// to use transactions you should set the first parameter to 'true'
Session := Connection.CreateSession(False, amAutoAcknowledge);
// Destination represents here our queue 'ExampleQueue' on the
// server. You don't have to do anything special on the
// server to create it, it will be created automatically.
Destination := Session.CreateQueue('ExampleQueue');
// MessageConsumer is used for receiving messages (as opposed
// to MessageProducer which is used for sending them)
Consumer := Session.CreateConsumer(Destination);
// We will try to receive a TextMessage within 5 seconds:
TextMessage := Consumer.Receive(5000);
WriteLn(TextMessage.Text);
finally
Connection.Close;
end;
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Registered users may download the installer for version 8.3 of Habari STOMP Client for RabbitMQ here:
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Minor and major updates included for one year after purchase
Basic support included for one year after purchase
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Licensed per developer seat
Full library source code included
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With tens of thousands of users, RabbitMQ is one of the most popular open source message brokers. From T-Mobile to Runtastic, RabbitMQ is used worldwide at small startups and large enterprises. (source)
RabbitMQ is lightweight and easy to deploy on premises and in the cloud. It supports multiple messaging protocols. RabbitMQ can be deployed in distributed and federated configurations to meet high-scale, high-availability requirements.
RabbitMQ runs on many operating systems and cloud environments, and provides a wide range of developer tools for most popular languages.
https://www.rabbitmq.com/