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Difference between @EJB and @Resource
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shabarish vai
Ranch Hand
Joined: May 26, 2008
Posts: 79
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hi all,
Please differentiate between @EJB and @Resource
am not understanding this dependancy injection,
what do you mean by @Resource(name="abc") 
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Vignesh Murali Natarajan
Ranch Hand
Joined: Jul 24, 2006
Posts: 65
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@EJB is used to inject an EJB Remote/local interface. Whilst @Resource is what you would use to inject any resource from your "jndi:comp/env" environment. This could be a datasource, email connection, jms connectionfactory etc
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ThanQ,
Vignesh Murali N
www.vigneshmurali.com
SCJP(95%), SCWCD(92%), SCBCD(97%), SCDJWS(97%), SCBCD5(100%), OCMJEA
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shabarish vai
Ranch Hand
Joined: May 26, 2008
Posts: 79
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thanks Vignesh Murali Natarajan,
i have read that @EJB is not supported by and we need to explicitly do a loop up(only GlassFish servers support),what and where to configure this JNDI stuff's if am using jboss server.i want to know about this JNDI
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Mihai Radulescu
Ranch Hand
Joined: Sep 18, 2003
Posts: 912
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Hi Shabarish
AS the name said the @EJB is used only to inject beans. The resource is used to inject other resources (like EJBContext). But the most important aspect here is that the both @EJB and the @Resources are supported by all the application servers and both uses in background JNDI to locate the needed components.
Regards,
Mihai
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SCJP, SCJD, SCWCD
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subject: Difference between @EJB and @Resource
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