Dynamic url and jdbc for entity class
Hi all,...
I want to create a data aware program by using netbeans 6.0.
So that open a contextual menu in projects section, and simply add a new 'Master/Detail Sample Form'.
The IDE than ask me about the connection (jdbc driver, url etc) and table name I will use in the form.
It's work as expected.
But, the jdbc configuration can't be changed anymore, it's fixedly saved in persistence.xml.
That's the problem. I want to make an application that can connect to differences database (with same structure), so that my program can use oracle, mysql or others as user wish (The user should fill the jdbc connection property whenever the program executed).
How's the solution? should I back to primitive jdbc connection by using 'Statement'?
Thanks in advance
JNDI is a naming service used when you are deployed (typically) in a J2EE container such as Tomcat or JBoss. Your application is desktop right now, but you mention that you want to deploy it on your intranet? My guess is that you mean right now your database is on your machine, and you are connecting to that via localhost, and that the application will remain a desktop one.
Where you put the database should not be an issue. If you can see the machine on your network, you should be able to connect with JDBC. Simply substitute the IP or host name where the database resides. I did a quick look at Hibernate's documentation, and it appears you can configure the data sources used for their flavor of JPA dynamically.
There is an example of how to programatically create an Entity Manager in Sec 2.2 of this page http://docs.jboss.org/hibernate/stable/entitymanager/reference/en/html_single/#setup-configuration.
- Saish
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I didn't even think of casting the DVR like that. Kinds stupid of me but I never would have thought it would work. Cool.
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