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EJB

EJB Introduction
  • Application servers
  • Using Eclipse

Session beans

Simplest
  • stateless.
Stateful
  • saving client state.

Entity beans

BMP
  • Bean with JDBC.
CMP
  • without JDBC.
Relationships
  • one-way, two-way.
  • one-one, one-many, many-many.
Finder methods
  • Interface lookup.
Select methods
  • Data lookup.

Message Driven Beans, various

MDB
  • Handling messages from queue.
Transactions
  • commit, rollback.
Authentication, authorization
  • JAAS.
Specifications and documentation