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EJB and other Java EE Technologies
My first true Java EE App, some basic questions?
Joined: Jul 09, 2002
May 12, 2011 12:33:41
Basic Application Components:
1) Core component would be a continuous data processor updating internal caches and using business logic to generate "events". These "events" are cached as well as persisted in a database.
2) Web Service to manipulate the processor configuration in real-time (without the processor code having to hit a config DB periodically)
3) Web Service or JMS Queue to serve up generated events to other subscribers
4) Web Client for reporting (cache contents/database) and configuration (calls the config web service)
I'm going to run this on Glassfish, using NetBeans 7.0.
My question resides primarily with item 1 and what it will be in a Java EE environment, running on Glassfish. Would it be a Singleton Session bean?
Joined: Apr 14, 2004
May 13, 2011 02:00:39
Sounds more like something that users the timer server. Is it important that only on instance of this processor exists?
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