Thank-you Wolfgang.
I had wondered whether that was the right thing to do. Thank-you for confirming it.
I will have to investigate whether it is worth the effort.
Chris
On 30/09/2012 13:06, Wolfgang Laun wrote:
There's a section in the documentation "Persistence and
Transactions", which explains how to save and reload a session. It will have to be a
StatefulKnowledgeSession, but that shouldn't matter - you
just lose the simple "one shot" execution API call, and you don't want this
any more anyway.
But have you timed the insertion of the "reference facts", after creating a
StatefulKnowledgeSession? It's conceivable that this isn't really taking all that
long, but of course it depends on the
structure of the rules and how much work needs to be done to get them into the Rete
structure. Anyway, this time is the maximum gain, but deserilaizing the inserted fact in
the (Rete) context of the
saved session is going to cost a little, too.
-W
On 30 September 2012 12:10, Chris Selwyn <chris(a)selwyn-family.me.uk
<mailto:chris@selwyn-family.me.uk>> wrote:
I have a need to execute a set of rules on a complicated hierarchical data structure
where some of the rules use a bunch of reference facts.
At the moment I load the reference facts and the hierarchical structure into the WM
of a stateless session on every execution.
There are a lot of reference facts and they start off in the same state on every
execution though they can get modified as part of the rules execution.
I would really like to be able to save the WM after inserting the reference facts so
that I can start each execution with those facts pre-loaded and thereby avoid loading them
each time.
Is this an easy thing to do? Could someone give me some pointers?
Chris
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