Interactive Framework

1
Interactive Framework

• Multithreaded option
• Single threaded with callbacks option
• CORBA
• GUI and event processing can be distributed
  distributed

2
Interactive Components

• Interactor Factory class
• Commander
• Messenger
• Framework
• Package

3
Use of Threads

• Framework runs in main thread
• User interactive components in separate thread
• Algorithms not required to multithreaded

4
Interactors

• Sends commands to framework
• (start,quit,pause,next,configure,find package)
• Access to Framework and Packages
• Catches framework output
• Created using factory
• Console version
• Client/server version

5
Overview
GUI
Framework
Pause Resume Stop Start Step Next
Main Thread
Event loop
Packages
x y z
Pkg1
Pkg2
Output Window
Pkg3
Framework
Error Window
Messenger
Commander
Comm Thread
ORB
Network
6
Communications
IOutput
Framework ORB
IFramework (IPackage) (IRCP)
IHistogramManager IHistogram
Register Service
User Orb
NameServer
Locate Service
jbk/analyze/ jbk/analyze/control jbk/analyze/histo
grams jbk/analyze/events
7
Details
Framework runs as a server

• Advertises the Framework control service

• Packages can advertise additional services
  (Histograms)

User Application connects as a client

• Can locate the process and services using the
  nameserver

• Can register that it wants output and error
  notification

8
ltltCreatesgtgt
makeCommander makeMessenger
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Terminal
CORBA
Root
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