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- What is an EJB, and what does it do? - Stack Overflow
An EJB is a Java component, containing business logic, that you deploy in a container, and that benefits from technical services provided by the container, usually in a declarative way, thanks to annotations: transaction management: a transaction can be started automatically before a method of the EJB is invoked, and committed or rollbacked once this method returns This transactional context
- java - What does the @EJBs annotation do? - Stack Overflow
I know roughly what this construction does: it creates a SomeType EJB and injects the object into another EJB @EJB(name="name1") SomeType someVariable Now I have a class which starts like this
- java - Why should we use EJB? - Stack Overflow
What is EJB, and why we should use it? Please explain in simple language Thank you
- java - Should I use @EJB or @Inject - Stack Overflow
The @EJB is used to inject EJB's only and is available for quite some time now @Inject can inject any managed bean and is a part of the new CDI specification (since Java EE 6) In simple cases you can simply change @EJB to @Inject In more advanced cases (e g when you heavily depend on @EJB 's attributes like beanName, lookup or beanInterface) than in order to use @Inject you would need to
- What is the difference between @Inject and @EJB - Stack Overflow
I'm currently learning the new Java EE 6 component models and am confused with the latest dependency injection mechanism So here are my questions: 1) What is the difference between @Inject and @E
- EJB. What is, why it exist and HOW it works? - Stack Overflow
Every EJB book I've seen talks about the EJB life cycle and how it interacts with the app server I wouldn't have to read tons to find it
- EJBCLIENT000409: No more destinations are available - Stack Overflow
When you are using org jboss ejb client naming, the connection is usually defined in a file named jboss-ejb-client properties You provided it in the map for jndi properties
- What is the difference between EJB, hibernate, spring and JSF?
EJB - Enterprise Java Beans -> Components which are stateful (session oriented) or stateless (services), message driven (asynchronous) Hibernate - Persistence Service like other JPA implementations (Eclipselink,OpenJPA or Toplink) Spring is another world without EJBs, which is able to integrate other view technologies It's quite flexible
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