[rules-users] How to Access and Execute Rules from Database

[Michael Anstis]

In short, no it doesn't. You'd treat the DRL text as a CLOB or something
similar with schema to suit your application requirements.

You could use Guvnor to store your rules and configure this to use Oracle,
although the table structure would not be specific to Drools as Guvnor uses
JCR internally. Guvnor offers versioning of rules.

There is a REST API to integrate your application with Guvnor.

With kind regards,

Mike

2011/7/13 Vineet Arora <Vineet.Arora at hcl.com>

>  Do you mean I should create my own table structure and then save the
> rules in my tables and retrieve them in my java program as I retrieve any
> other table data?****
>
> ** **
>
> I am looking if Drools application supports some rule based structure/table
> compatible with Oracle database. ****
>
> ** **
>
> *From:* rules-users-bounces at lists.jboss.org [mailto:
> rules-users-bounces at lists.jboss.org] *On Behalf Of *Wolfgang Laun
> *Sent:* Wednesday, July 13, 2011 12:52 PM
> *To:* Rules Users List
>
> *Subject:* Re: [rules-users] How to Access and Execute Rules from Database
> ****
>
> ** **
>
> 2011/7/13 vineet.arora3 <vineet.arora at hcl.com>****
>
>  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]<http://user/SendEmail.jtp?type=node&node=3165063&i=0>]
>
> *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]<http://user/SendEmail.jtp?type=node&node=3165056&i=0>>
> 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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