Open Service Generation and interconnection

Operating System Generic interface

Operating System General initiative

Open Service Gateway initiative

Reusable software units written in Java

Visually composed into composite components using a visual builder tool

All of the above

Known as “beans”

Reusable

Having Boolean logic as computing model

Unique return value

Binary form

Parent, Child, Sibling

Client, Service, Injector

Model, View, Controller

Abstract, Interface, Concrete

The services a component depends on may not always be there

The programmers have to learn Java

Once the services provided by other components have registered, they will be

available all the time

The programmers can always count on other components to provide necessary

services

The bundle service connection is dynamic

The package connection and service connection both are dynamic

The bundle service connection is static

The bundle package connection is dynamic

Imported package

Exported package

Manifest file

Bundle

The bundle needs to use the specified classes from the imported package in

order to run

The bundle informs the framework to make the classes in the exported package

available for any other bundles that need to use them

The bundle is communicating to a peer bundle directly for a connection

The bundle is looking for a peer bundle that imports the same package

The bundle needs to use the specified classes from the imported package in

order to run

The bundle informs the framework to make the classes in the exported package

available for any other bundles that need to use them

The bundle is communicating to a peer bundle directly for a connection

The bundle is looking for a peer bundle that imports the same package

Run and sleep

Register and unregister

Constructor and destructor

Start and stop