[rules-users] Insert global into working memory via Spring?

[Mark Proctor]

Look t the script element and the set-global command:
https://github.com/droolsjbpm/droolsjbpm-integration/blob/master/drools-container/drools-spring/src/main/resources/org/drools/container/spring/drools-spring.xsd

Mark
On 31 Aug 2012, at 20:09, dunnlow <dunnlow at yahoo.com> wrote:

> I am using the drools 5.4  Integration Server (with Guvnor).  
> 
> I have two instances of the Integration Server and (ideally) one instance of
> the rules in Guvnor.  I would like to create some rules that depend on the
> instance of the Integration Server on which they are running.  The vision is
> that I would set a global variable somewhere that provided the server name
> then use that variable in my rules.
> 
> I thought about adding a global variable via guvnor package configuration,
> but I can only declare it (not set it).  Also, if I could do that, I would
> need another knowledge base, which I am trying to avoid.
> 
> I am considering setting up a declared object (so that the rule just fires
> once) and a rule that if the object doesnt exist, creates it and calls a
> function that checks a System Property and sets the value (I know, I've read
> not to set globals in rules).  If this rule has a high salience, this seems
> like it could work - but is REALLY ugly. 
> 
> Is there a better way?
> 
> Basically, I think I want to inject that value into the knowledge session
> via Spring.
> 
> Thanks for any thoughts,
> -J
> 
> 
> 
> 
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