Note Camel & ActiveMQ

ActiveMQ

• Implementation of JSM.
• Message broker for remote communication between system using JMS specifications.
• Provide ability for communication in asynchronous, loosely coupled manner.

JMS Specification

• Producer : Sending message.
• Consumer : Consuming message.
• Message : Consist of Header, provide metadata and payload, an actual message.

JMS Domain

• Queue/Point-To-Point
  • Message are sent and received either sync or async.
  • Message in queue is delivered once to single consumer.
  • Message is in queue until it is delivered or expired.
• Topic/Pub-Sub
  • Message are sent and received either sync or async.
  • Message in topic is delivered to all consumers.

Ref :

• https://www.3pillarglobal.com/insights/rabbitmq-understanding-message-broker
• https://dzone.com/articles/when-use-apache-camel