[rules-users] How to persist altered facts

[Jan Šťastný]

Hi,

I use drools within my application (civilization-mmo.blogspot.com 
<http://civilization-mmo.blogspot.com/>), where I reason over the facts 
and alter them. I need to persist the changes through JPA. As my 
persistence is defined in different package, whose interface only work 
with DTOs, I can't use JPA entities as facts as I saw 
herehttp://www.ibm.com/developerworks/opensource/library/j-drools5/index.html. 
The persistence package offers services to manage the DTOs.

Is there any way to persist altered facts? Well I thought about the 
option to use on the RHS also call to service method together with 
modify method to promote the changes into db and engine at once. Are 
there more? Probably with some event listeners?


Thanks in advance.

Jan

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