Table of contents

Portable Object Adaptor

Significant news in CORBA

CORBA Object Adaptors

BOA and POA

POA abstract model

Three key Entities

A simplified picture

How to code Server

Server overview

Yet another picture

POA Policies

policy: CORBA Object Life Span

policy: Object Id Uniqueness

policy: Id Assignment

policy: Request Processing

policy: ObjectId to Servant Associations

policy: Implicit Activation

policy: Thread

How to create “policies”

Yet another picture (now let’s show where different policies apply)

POA Creation

code: POA Creation

Activation: don’t be confuse...

Object creation and activation

Creation and activation methods

Conversions among key entities

Servant managers

Common for both Servant managers

Default Servant

Object deactivation

Notes on hands-on

E-mail: toke@inf.elte.hu