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Enterprise JavaBeans 3.0 Step by Step

By Octavio Berlanga, on July 10th, 2010.
EJB 3.0 Development Process

  • Create plain java beans
  • Apply @Entity annotation
  • Identify primary key with @Id and @GeneratedValue
  • Map @OneToOne relationships
  • Map @OneToMany relationships
  • Map @ManyToOne relationships
  • Map @ManyToMany relationships
  • Create persistence unit through the persistence.xml file
EJB, Java EE
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