What is a JmsTemplate?
What is a JmsTemplate?
JmsTemplate is a helper class that simplifies receiving and sending of messages through JMS and gets rid of the boilerplate code. JmsTemplate simplifies the development efforts on constructing the message to send or processing messages that are received through synchronous JMS access code.
What is the use of JmsTemplate?
A JMS template provides an efficient means of defining multiple JMS queues and topics with similar configuration settings. Instead of re-entering configuration settings each time you define a new queue or topic, you can use a template and override the settings for which you want to assign a new value.
How do you make a TextMessage?
Creating TextMessage In order to create a TextMessage object, we need to call createTextMessage() method on Session object and pass the text message we want to send. One can also call createTextMessage() first and then later set its text message.
How to send message using JmsTemplate?
The default method for sending the message is JmsTemplate. send(). It has two key parameters of which, the first parameter is the JMS destination and the second parameter is an implementation of MessageCreator. The JmsTemplate uses the MessageCreator’s callback method createMessage() for constructing the message.
What is EnableJms?
@EnableJms enables detection of JmsListener annotations on any Spring-managed bean in the container.
What is ActiveMQConnectionFactory?
configureConnection(ActiveMQConnection connection) ActiveMQConnectionFactory. copy() Returns a copy of the given connection factory. protected ActiveMQConnection.
What is TextMessage JMS?
javax.jms A TextMessage object is used to send a message containing a java. lang. String . It inherits from the Message interface and adds a text message body. This message type can be used to transport text-based messages, including those with XML content.
How can I get text from JMS message?
If the message body is a text message (Plain text or XML), it can be extracted like the following. String msgBody = ((TextMessage) message). getText(); The JMS 2.0 API exposes the additional method T getBody(Class c) in the Message interface.
What is difference between RabbitMQ and ActiveMQ?
ActiveMQ is used in enterprise projects to store multiple instances and supports clustering environments based on the JMS messaging specification. RabbitMQ is a message broker which is executed in low-level AMQP protocol and acts as an intermediator between two application in the communication process.
What is DefaultJmsListenerContainerFactory?
Class DefaultJmsListenerContainerFactory A JmsListenerContainerFactory implementation to build a regular DefaultMessageListenerContainer . This should be the default for most users and a good transition paths for those that are used to build such container definition manually.
What is Activemqcomponent?
The ActiveMQ component is an extension to the JMS component and has been pre-configured for using Apache ActiveMQ 5. x (not Artemis). Users of Apache ActiveMQ Artemis should use the JMS component.
Which JMS standard interface defines the methods to create the different types of messages?
Message Bodies The JMS API defines five message body formats, also called message types, which allow you to send and to receive data in many different forms and provide compatibility with existing messaging formats. Table 30–2 describes these message types.
