well I think its just as east to review the code to make sure they are refactored accordingly. I don't think anything more complex is warranted.
The only time i think I use it is for testing really. On Tue, Jan 20, 2009 at 4:09 AM, Edson Tirelli <[email protected]> wrote: > > All, > > This applies to the core engine itself and anyone touching its code. > As we move to a time-controlled engine in Drools 5, we need to be aware > of a few things when developing our code: > > 1. We need to have a synchronization clock, and we do: in the > InternalWorkingMemory interface: > > public TimerService getTimerService(); > > TimerService has a method to get the current time: > > public long getCurrentTime(); > > This means you should NEVER EVER EVER NEVER EVER use > System.currentTimeMillis() again... if you see it in the code, please either > fix it or add a FIXME tag and let me know so that I can fix it. I am > cleaning up things right now. > > The reason is obvious: controlling the synchronization clock means we > control time as the engine sees it, so that we can use real time clocks, > pseudo clocks controlled by the application, heart beat clocks, etc. This is > also a requirement for us to implement clusters and distributed agents. > > We still have a lot to fix on the serialization side of things for > serializing scheduled executions, but lets see how this goes. > > 2. We need to have a synchronization clock, meaning if you use anything else > as a clock, we need to remove it and make sure it is using the TimerService. > I know Guvnor uses a TimerMachine class... I didn't had the time to look > into this yet, but we will need to make sure it either starts using the > TimerService or is synchronized with it. > > 3. Thread creation: make sure you don't execute anything assynchronously > with your own created threads. We need to implement a factory based thread > creation for the cases where we have to spawn threads. > > Thanks, > Edson > > > > -- > Edson Tirelli > JBoss Drools Core Development > JBoss, a division of Red Hat @ www.jboss.com > -- Michael D Neale home: www.michaelneale.net blog: michaelneale.blogspot.com _______________________________________________ rules-dev mailing list [email protected] https://lists.jboss.org/mailman/listinfo/rules-dev
