Adding data into DataStream object before matches the rules in DRL file

[Anas Sakhnini]

Hi all,

I create a RuleUint class which implements RuleUnitData, and its contains a DataSream called persons, I want to know how can add a data into persons before matching the rules in DRL file

[Richard Bourner]

Your "persons" attribute should be of type DataStore [1].

Then you can add your data in that store, either using the Java API before firing the rules, or passing it in the payload of a REST request directly if you are using Kogito (which will generate the endpoint for this RuleUnit automatically).

[1] https://docs.drools.org/8.31.0.Final/kie-api-javadoc/org/drools/ruleunits/api/DataStore.html

[Marija]

Hi, so drl rules cant be executed in kogito with Java API, that is just for drools apps, and kogito uses only rest endpoints

?

[Jeremy Legros]

Hi!

It took me a while to find some docs regarding DataStream vs. DataStore, but here it is:
https://docs.drools.org/latest/drools-docs/drools/KIE/index.html#_data_sources

Hope this helps, cheers

[Gabriele Cardosi]

Hi Marija,
about

"Hi, so drl rules cant be executed in kogito with Java API, that is just for drools apps, and kogito uses only rest endpoints ?"

If it may help, the current main branch of kogito-examples contains a couple of "java" examples, and maybe this one could be useful.

Hope it helps

Cheers

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