spring jms example


what is the importance of annotation-config ,Qualifier annotation. when to you use which one.  Please advise

I read annotation-config enable annotation based injection.
when to use @Resource. How specifying queue and topic are different.
Please advise
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@Qualifier is used when you have more than one bean of the same type and you want to specify which one will be injected. For an exampel have a look here.

Yes, the annotation-config enables annotation based injection.

The @Resource uses a different post processor than @Autowired and @Inject and it matches first by name and then by type. For a comparison of all injection annotation have a look here.

Queue is used when you want to send a message to one subscriber. Topic is used when you want to send a queue to several subscribers.

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gudii9Author Commented:
is there is a simple example with database(say mysql) interaction also. I see lot of real time projects using database as well. Please advise
What do you mean? Save the message in the database as well? If yes then this shouldn't be different from any other database interaction.
gudii9Author Commented:
What do you mean? Save the message in the database as well?

Yes doing some CRUD operations on the database(say mysql) including saving , deleting, modifying data/messages. I have installed mysql and workbench mysql IDE on my laptop.
You should save it independently of the JMS queue. Do what ever you have to do with the database and then send the message to the queue.
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