[rules-users] In drools what is the exact difference between Insert and Update ??

[Patrik Dufresne]

Sorry to disrupt your discussion,

I've start using Drools a while ago and I find your discussion very
interesting about how to use what feature when and why. The current Drools
Expert user guide is very nice, but it miss this crucial information. May I
suggest to create a 'Best Practice' chapter with the recommendation you
made.

Patrik Dufresne


On Thu, Mar 29, 2012 at 8:21 AM, Vincent LEGENDRE <
vincent.legendre at eurodecision.com> wrote:

> Far much valuable reply than mine  :)
> A great summary of common concerns that must be evaluated before starting
> coding a rule system.
>
> Also consider :
>   - using rule flow (if you are allowed to)
>   - use sequential mode and pipe your data 'in the next rule box'
> programmatically (using rules?)
>   - ask your architect ? He is true for no-loop, but for others,
> re-writing existing DRL code that used all that stuff, and throw all at
> once is farly more dangerous ...
>
> >> "remove all salience from rules and make  the rules independent (don't
> decide its execution flow)"
>
> This is all the question.
> It mainly depends of the usage, as Davide said.
> It also depends of who is authoring/specifying rules : if the guy supposes
> some flow, he is not writing independant rules ...
>
> these other rules depend of the first :
>    2.no drools functions
>    3.Activation group / ruleflow / salience ...
>    5.don't call any java function (thus no functions at all, no
> predicates/utils methods, only DSL? only POJO?).
>
> this one is suspect ...
>     4.Don't use UPDATE and Global in drools .
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