Your challenge is to change the Subscribable DirectChannel implementation that we built in 02_02 into a Subscribable PublishSubscribeChannel implementation.
This way we can consume the same Channel broadcast message by two different subscribers.
Start in the spring configuration file named tech-support.xml. On line 13 you will find instructions and a hint.
Then move to these files for more instructions and hints.
- ViewService.java:31
- TechSupportService.java:24
- DashboardManager:64
(You will need to alter 4 files in total.)
When you are done, start the application and open your browser to http://localhost:9090. In your system out console, you should see a system log message generated by TechSupportService.java:57. You should also see the current build stamp CH.02_04 reflected in the user interface.
Congrats! Thanks to the multi-broadcast capabilities of a PublishSubscribeChannel, now you have two different system responses to a single message send event.