JMS вопросы и ответы для интервью
Вопрос 56. What is the use of MapMessage?
A MapMessage carries name-value pair as it's payload. Thus it's payload is similar to the java.util.Properties object of Java. The values can be Java primitives or their wrappers.
Вопрос 57. How does the Application server handle the JMS Connection?
1. App server creates the server session and stores them in a pool.
2. Connection consumer uses the server session to put messages in the session of the JMS.
3. Server session is the one that spawns the JMS session.
4. Applications written by Application programmers creates the message listener.
Вопрос 58. What is JMS provider?
An implementation of the JMS interface for a Message Oriented Middleware (MOM). Providers are implemented as either a Java JMS implementation or an adapter to a non-Java MOM.
Вопрос 59. Wat is JMS client?
An application or process that produces and/or receives messages.
Вопрос 60. What is JMS producer?
A JMS client that creates and sends messages.
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