Spring JMS
Topics
- JMS overview
- JMS support in Spring
- Sending and receiving messages synchronously
- Sending and receiving messages asynchronously
- Message conversion
- Transaction
JMS Overview
What is JMS?
- A specification that describes a common way for Java programs to create, send, receive and read messages
- Handles
- Loosely coupled communication between JMS clients (message producer and message consumer)
- Asynchronous messaging
- Reliable delivery
- Outside of the specification
- Security services
- Management services
Players in a JMS Environment
- JMS Clients
- Java programs that send and/or receive messages
- They are the clients using the services of JMS provider
- Messages
- TextMessage, MapMessage, ByteMessage, ObjectMessage, etc
- Administered Objects
- Pre-configured JMS objects created by an admin for the use of JMS clients
- ConnectionFactory, Destination (Queue or Topic)
- JMS Provider (Messaging server)
- Messaging system that implements JMS and administrative functionality
- Examples: ActiveMQ, GlassFish Messaging server
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