Habarisoft released the 2018.08 version of its Object Pascal STOMP client libraries for application integration with open source message brokers (Apache ActiveMQ, Artemis, OpenMQ and RabbitMQ). Resources Home page: https://www.habarisoft.com/index.html Feature matrix: https://www.habarisoft.com/index.html#feature_matrix About Habari Client libraries Habari Client libraries enable Object Pascal applications to take advantage of message broker / message queue technology – … Continue reading Habari Client libraries release 2018.08
Understanding When to use RabbitMQ or Apache Kafka
This article presents and compares the origins, architectures, and use cases of Apache Kafka, which is designed for high volume publish-subscribe messages and streams, and RabbitMQ, a general purpose message broker. RabbitMQ is a “traditional” message broker that implements a variety of messaging protocols. (...) Apache Kafka is developed in Scala and started out at … Continue reading Understanding When to use RabbitMQ or Apache Kafka
Habari Client libraries release 2017.06
Habarisoft released Habari Client libraries release 2017.06
Habari Client libraries 2017.06 performance test application
Habari Client libraries 2017.06 (release date TBD) includes an enhanced performance test application, which optionally collects message rates of multiple test runs and displays the sample median. Performance test application (screenshot) To start the long-running tests, shift-click on the run button. Taking all test samples takes around ten seconds. Shown below is an example for … Continue reading Habari Client libraries 2017.06 performance test application
Case studies: Synchronizing 1000s of Mobile Phones with RabbitMQ
Synchronizing 1000s of Mobile Phones with RabbitMQ Blog post by Jamil Shamy, co-authored with Dan Buchko, about a project where potentially thousands of mobile phones were required to have their audio and video synchronized.
Habari Client libraries release 2017.04
Habarisoft released new versions of Habari Client libraries for Delphi and Free Pascal application integration with popular free open source message brokers. This release has been tested with Apache ActiveMQ 5.14.5, Apache ActiveMQ Artemis 2.0, OpenMQ 5.1.1 and RabbitMQ 3.6.9. It contains enhancements and better test case organization of the included DUnit / FPCUnit test … Continue reading Habari Client libraries release 2017.04
Habari Client libraries release 2017.02
Habarisoft released new versions of Habari Client libraries for Delphi and Free Pascal application integration with free open source message brokers, including Apache ActiveMQ, Apache ActiveMQ Artemis, OpenMQ and RabbitMQ. Full release notes are available at https://www.habarisoft.com/releases/2017.02/ Habari Client libraries enable Object Pascal applications to take advantage of message broker / message queue technology … Continue reading Habari Client libraries release 2017.02
Consume a JMS ObjectMessage with Habari Client for ActiveMQ
As a follow-up to the previous article about MapMessage exchange with Apache ActiveMQ, here is an example for an ObjectMessage, sent from a Java JMS client and consumed from a Delphi application. Java (producer side) The Java code creates a java.util.Properties instance, fills it with example data,, and sends it to the destination queue as … Continue reading Consume a JMS ObjectMessage with Habari Client for ActiveMQ
Consume ActiveMQ JMS MapMessages from Delphi
One outstanding feature of the popular Apache ActiveMQ message broker is its rich message conversion capability, which allows cross-platform/cross-language exchange by serialization of JMS object and map messages to XML or JSON. Non-Java clients do not have to support the native ActiveMQ wire protocol. Instead, they can use a simple protocol such as STOMP. Java (producer … Continue reading Consume ActiveMQ JMS MapMessages from Delphi
Sending messages to a RabbitMQ auto-delete queue
The RabbitMQ STOMP plugin supports advanced queue features, which can be defined in the management interface but also from clients when the queue is created. No matter how these features have been declared, RabbitMQ requires that the client specifies the same feature settings anytime when this queue is used. Example 1: auto-delete Creation of an … Continue reading Sending messages to a RabbitMQ auto-delete queue