Tag: embedded technologies

Session bean

Entity bean

Message Driven bean

Object bean

Session bean method

Entity bean method

Message driven method

Object Bean method

stateless

statefull

BMP

CMP

Beans need to hold information

retrieve data

connect the client

No data for a specific client

No data for a client

Beans needs to hold information across method invocations.

when business object should be stored

to send data for a specific application

when business object should be stored in persistant storage mechanism.

if information have to be passed from one group to other.

to review the data in other application

to check with the client.

simple instances

classes and objects

getter and setter methods

business application

message driven bean

entity bean

stateles session bean

stateful session bean

True

False

JMS

JAXM

BMP

CMP