[rules-users] Create rules programatically
Mark Proctor
mproctor at codehaus.org
Wed Jun 1 10:52:14 EDT 2011
You can also just generate strings at runtime, either via StringBuilder
or templating, and compile them at runtime.
Mark
On 01/06/2011 14:43, Edson Tirelli wrote:
>
> David,
>
> For 5.2 we are introducing a high level API for rule authoring.
> Documentation is not ready yet, but you can see the API here:
>
> https://github.com/droolsjbpm/drools/tree/master/drools-compiler/src/main/java/org/drools/lang/api
>
> DescrFactory is your entry point.
>
> Before 5.2, the options are to generate DRL string using templates
> or build the *Descr AST manually. Please note that the *Descr classes
> are internal and might change from version to version.
>
> Edson
>
> 2011/6/1 David Godfrey <davidgodf at gmail.com <mailto:davidgodf at gmail.com>>
>
> Hi,
>
> Can someone point me in the direction of documentation or code
> examples for the following? I want to programatically create rules
> for execution, e.g. within my application I will hold criteria
> which users will define, at runtime I would like to build a
> component to extract these values (from my app database) and build
> rules based on those values. Everything I've seen so far seems to
> talk about using DRL files, ideally I want to programatically
> create the entire rule in Java, and then call Drools to execute my
> rule set.
>
> Thanks,
>
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>
>
>
>
> --
> Edson Tirelli
> JBoss Drools Core Development
> JBoss by Red Hat @ www.jboss.com <http://www.jboss.com>
>
>
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