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Tip of the Day
Language: Java
Expertise: Advanced
Jul 17, 2007

WEBINAR:

On-Demand

Building the Right Environment to Support AI, Machine Learning and Deep Learning


Look Up a Bean Interface in EJB 3.0

In principle, in EJB 3.0, you can access a bean from another bean by looking it up in the interface (local or remote). Here are two solutions for doing that:
  1. Through the JNDI, you still have the portability:
    
    //get the default JNDI initial context
    Context ctx=new InitialContext();
    //get the bussiness interface
    Object obj=ctx.lookup(BusinessInterface.class.getName());
    //convert obj
    BusinessInterface bi=(BusinessInterface)obj;
    
  2. Through the @EJB annotiation:
    
    @EJB BusinessInterface bi;   //cooool !
    

Leonard Anghel
 
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