[rules-users] Drools 6 and dynamic update
Nicolas Héron
nicolas.heron.java at gmail.com
Thu Nov 28 12:22:18 EST 2013
"if your rules change, then your version changes, and a new jar needs to be
published"
Before you could rebuild a knowledgeBase, loading a binary package from
Guvnor (by building a snapshot in guvnor ) and this at run time.
So now you publish.
How does the Kie-ci grap that jar ?
How do you in a web at runtime reload a jar ? Is this in kie-ci ? and do
you grab it from the kie-wb ? Where and how do you define in the client
modue (my webapp containing kie-ci) the url to the maven repo exposed by
the drools-(wb/kie-wb )?
2013/11/28 Mark Proctor [via Drools] <
ml-node+s46999n4026992h85 at n3.nabble.com>
> If your rules change, then your version changes, and a new jar needs to be
> published.
>
> Separate your rules, from your application and allow them to be
> dynamically updated.
>
> Mark
>
>
> On 28 Nov 2013, at 14:52, Nicolas Héron <[hidden email]<http://user/SendEmail.jtp?type=node&node=4026992&i=0>>
> wrote:
>
> Hi Mark,
> thanks for you answer.
> When you say deploy, I guess it is in the worbench's repository ?
> Now I do not want to compile or whatever.
> My application is running and while running, we want it to load new set of
> rules.
> How is the KieContainer aware of the workbench address or stuff like that ?
> I fully understand how all this work when redeploying a new version of my
> app and the drools package build by the drools-wb is seen as a maven
> dependency.
> But in my use case, I do not see how it works.
> I think I only miss this "Ensure the JAR is in the KieRepository, or
> available to maven if using kie-ci"
> What is ensure ?
> Sorry
> Nicolas
>
>
>
> 2013/11/28 Mark Proctor [via Drools] <<a
> href="x-msg://281/user/SendEmail.jtp?type=node&node=4026988&i=0"
> target="_top" rel="nofollow" link="external">[hidden email]>
>
>> As per previous email:
>>
>> 1) Create your original project with rules, build and deploy the jar.
>> 2) Load the JAR to create a KieContainer.
>> 3) add or change rules. Change the maven version, build and deploy the
>> jar.
>> 4) Ensure the JAR is in the KieRepository, or available to maven if using
>> kie-ci, and call KieContainer.updateToVersion( ReleaseId).
>>
>> This will ensure your KieContainer is updated, and all existing stateful
>> sessions will be incrementally updated too. Assuming no bugs :)
>>
>> On a side note, on master, there is a change to ensure that the Maven
>> syntax for scanNow (with using the KieScanner) is obeyed. see
>> https://issues.jboss.org/browse/DROOLS-356
>>
>> Mark
>>
>> On 28 Nov 2013, at 08:03, Nicolas Héron <[hidden email]<http://user/SendEmail.jtp?type=node&node=4026983&i=0>>
>> wrote:
>>
>> > Hi All,
>> > In previous Drools version (5.3, 5.4, 55 and 5.6RC1), it was possible
>> to dynamically update the package content from Guvnor.
>> > The use case was :
>> > 1) Some rules are created/updated/deleted on Guvnor
>> > 2) A new snapshot is built
>> > 3) The drools runtime is notified and reload a new knowledgeBase from
>> this new snapshot. (For this we developed some code to do that). No need to
>> redeploy a new application. No need for IT people to be involved.
>> > 4) It was possible to see the content of each snapshot and compare the
>> content of different snapshot.
>> > Now in Version 6 :
>> > Step 1 : no change
>> > Step 2 : as all in Maven => We build a new maven build an increment the
>> version number
>> > Step 3 : is is possible to do that ? How do I set in all that the new
>> Drools-wb maven repo ?
>> > Step 4 : how can I do that from the UI ?
>> >
>> >
>> > Thanks in advance
>> > Nicolas Héron
>> > _______________________________________________
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> Nicolas Héron
>
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Nicolas Héron
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