There are several rule-based systems out there. Another name is
Production Rules or
Workflow. One written in java is JEOPS. I took a look at it and plan
to do some
work with in the near future.
Mark
Heinrich G�tzger wrote:
>Hi,
>
>I'm planning to have a client connected to xmlBlaster which subscribes a
>certain number of messages. This client is able to publish some other
>messages. However the content of these published messages should be
>dependent on the content of the subscribed messages.
>
>I imagine a list of rules which get the subscribed messages as an input
>and decide whether a certain message have to be published or not or a
>message has to have a certain content.
>
>This would be like a function: activity is dependent on the airTemperature
>and waterTemperature.
>
>for example:
>activity(airTemperature, waterTemperature)
>{
> if airTemperature > 30C
> if waterTemperature > 25C
> return "goSwimming"
> else
> return "orderCoolBeer"
> else
> return "orderHotChocolate"
>}
>
>But to be very flexible, I'd like to change the rules dynamically.
>I.e. all of a sudden I don't like CoolBeer any longer and would prefer
>CoolWhiteWine. Normally the process would be stopped, and a new one can be
>started now. But I need to have a programmer, a compiler and so on. My
>imagination is that the rule can be a message itself. And therefore can be
>published and changed like every other message too.
>
>How could I approach this requirement?
>Could it be just another plugin?
>How could the rules be interpreted?
>
>Any suggestions, ideas or comments are very welcome.
>
>
>Kind regards
>
>Heinrich
>
>
