JavaBeans Component Architecture
By: aathishankaran Printer Friendly Format
JavaBeans Component Architecture
The
server and client tiers might also include components based on the JavaBeans
component architecture (JavaBeans component) to manage the data flow between an
application client or applet and components running on the J2EE server or
between server components and a database. JavaBeans components are not
considered J2EE components by the J2EE specification.
JavaBeans
components have instance variables and get
and set
methods for accessing the data in the instance variables. JavaBeans components
used in this way are typically simple in design and implementation, but should
conform to the naming and design conventions outlined in the JavaBeans component
architecture.
EJB component architecture features:
·
Stateless and stateful session beans
·
Entity beans with bean-managed
persistence
·
Entity beans with container-managed
persistence
·
Container-managed relationships
·
Local and remote interfaces
·
The Enterprise JavaBeans Query Language
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