[rules-users] Sequential rules execution

[Mark Proctor]

Sequential execution means no inference and in general rules are 
executed in the order defined in the rule engine. We have this now. 
Drools 5.0 will also add JIT for this, to improve performance further.

Look in the manual for details on sequential mode.

Mark
Aaron Dixon wrote:
> I found the following thread searching through the Drools mailing list
> archives and I was wondering if there were any interesting
> developments to mention about sequential rules execution since it was
> posted last year. I am achieving sequential execution by preprocessing
> rules into activation groups and generating transfer rules to move
> between groups, but I imagine my performance is much worse than it
> could be.
>
> http://thread.gmane.org/gmane.comp.java.drools.user/7128
>
> I'm interested in sequential execution not for performance reasons but
> for the simplicity it offers some users in writing their rules. A
> rules engine and the RETE algorithm is too advanced for some users and
> a sequential engine allows these users to author rules that will run
> in a well-understood environment and protects them from infinite rule
> execution, for example.
>
> Is there any plan to offer a sequential execution mode in Drools? Does
> anyone else have a similar interest?
>
> Aaron
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