I am using Drools project and want to store rules in database as they will be configurable, even when application is running. I have searched on internet but didn't find any satisfactory result.

My requirement is:

"How to store rules in database and access them in java files

I assume that you know how to store entire rules or bits and pieces as "text" in some DB, and how to retrieve them and compose them into rules according to your requirements.

If "configuration" is just the repeated insertion of values (or larger chunks of text) into rules, you could look at "templates" and how to generate rules via the Drools API.

instead of using .drl files?"

Once you have a String aDrlString containing text as you would normally have it on a file, you can
   - write it to a file and compile that
   - pass the String aDrlString to the builder by:
         Resource res = ResourceFactory.newReaderResource( myStringReader );
         kBuilder.add( res, ResourceType.DRL );

-W

If you have any idea or sample example to demonstrate the same, please share.

Thanks.

From: Wolfgang Laun-2 [via Drools] [mailto:ml-node+[hidden email]]
Sent: Wednesday, July 13, 2011 12:33 PM
To: Vineet Arora
Subject: Re: [rules-users] How to Access and Execute Rules from Database

On 13 July 2011 08:26, vineet.arora3 <[hidden email]> wrote:

Drools project without using .drl, decision
table etc.?

Do you really mean what you write here? Please be more specific.
-W

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