[rules-users] setting globals in rule file

[Chris Richmond]

Hmmm..good idea.

 

Now if I can get functions to work. :-)

 

Thanks,

 

Chris

 

  _____  

From: rules-users-bounces at lists.jboss.org
[mailto:rules-users-bounces at lists.jboss.org] On Behalf Of Wolfgang Laun
Sent: Wednesday, October 14, 2009 8:15 AM
To: Rules Users List
Subject: Re: [rules-users] setting globals in rule file

 

You could let the "user" write some functions such as

function String parFoo(){ return "foo42"; }

and evaluate them in a rule firing with high priority on eval(true).

-W




2009/10/14 Chris Richmond <crichmond at referentia.com>

Hmm.

 

Well..I have this rule file and it seems like a darn convenient place to set
some configuration settings so the user could change them in the plain text
file.  Otherwise I have to implement another configuration settgin system
then feed that to th setGlobal.

 

Chris

 

  _____  

From: rules-users-bounces at lists.jboss.org
[mailto:rules-users-bounces at lists.jboss.org] On Behalf Of Wolfgang Laun
Sent: Wednesday, October 14, 2009 7:50 AM
To: Rules Users List
Subject: Re: [rules-users] setting globals in rule file

 

No, globals can only be set by calling the WorkingMemory method
   wm.setGlobal(String name, Object value)

You could call this in a consequence (RHS), but it's usually not a good idea
to do so.

What do you want to achieve?

-W

2009/10/14 Chris Richmond <crichmond at referentia.com>

Shouldn't it be possible to set a global variable value within the rule file
itself at the top.  Something like?

 

 

global String deviceName = "myDevice";

 

 

 

I thought you could do that, but  consistently get an error saying  illegal
character '=' expected "(" 

 

Or something along those lines. 

 

This is possible and that syntax should work, shouldn't it?

 

Thanks,

Chris


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