Answer Posted / neha
Connection :- It is a virtual connection with JMS provider.
Session :- It is a single threaded context for producing and consuming messages.
Message Producer :- It is created from a session and is using to send messages to destinations.
Message Consumers :- It is also created from a session and is using to receive messages from destination.
Message Selector :- To filter the messages received.
Message :-Message objects are sending in JMS. A JMS message has 3 parts
a)header :- It contains a number of predefined fields using for proper delivery and routing.
b)body :- As the name suggests it is the body of messages. JMS API allows five types of message bodies.
1.TextMessage :- Body contains String data
2.ByteMessage :- Body contains byte data
3. MapMessage :- Body contains data in key/value pair
4.StreamMessage :-Body contains a stream of primitive values
5.ObjectMessage : – Body contains an object
6.Message :- Nothing in body. Only header and properties.
c)properties :- Additional properties other than header.
Is This Answer Correct ? | 1 Yes | 0 No |
Post New Answer View All Answers
Can you use a foreign jms provider to drive an mdb transactionally?
What is an object message?
How to Allowe messages to expire ?
What are the types of communication provided by jms?
Why do we use jms?
What is jms consumer?
What is the functionality of a message listener in the context of jms?
What is the point-to-point model in jms?
What is the number of messaging models available on jms?
Can two jms servers share the same persistent store?
What is asynchronous messaging?
What is jms module?
How to create an ejb session in order to start a jms connection?
What is a messaging service?
Can we have more than one consumer for a jms queue?