If I understood your question,
Drools 4 -> use "from" to load them on demand for your rules
Drools 5 -> you can do the same, or create a session, pre-load it and
serialize it to disk or an in-memory binary cache... now, for each request
from your application, instead of creating a new session, de-serialize the
session from your disk (or in-memory cache) and use it. Please note that you
are doing nothing more than clone-by-serialization for the preloaded
session, if you use this strategy.
[]s
Edson
2008/10/13 David Sinclair <dsinclair(a)chariotsolutions.com>
I have a question concerning facts. I have a service based
application
XML IN -> Business Objects -> Rule Processing -> Business Objects -> XML
OUT
Pretty straightforward.
In the rule processing I will lazily load objects into WorkingMemory that
drive some of the business rules. For instance, if a new Windows
Server(Business Object) is installed, ensure its OS is only Windows Server
2007 (lazily loaded DB object).
What I would like to do is be able to either preload the working memory
with this data, or preferably, lazily load the data. So my question is how
do you place facts into working memory when you create a new session each
time without having to assert them everytime? Or this that a stupid
question...Should the question be, since working memory/sessions aren't
thread safe, i.e. one can't be shared by everyone, what is the best way to
place long lived facts into memory of all sessions?
thanks
dave
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Edson Tirelli
JBoss Drools Core Development
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