Jogchem de Groot created DROOLS-1070:
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Summary: FactType object instantiated outside drools no longer match rules in
6.3.0.Final
Key: DROOLS-1070
URL:
https://issues.jboss.org/browse/DROOLS-1070
Project: Drools
Issue Type: Bug
Components: core engine
Affects Versions: 6.3.0.Final
Environment: Java 8 (1.8.0_72)
Reporter: Jogchem de Groot
Assignee: Mario Fusco
There's a problem of regression between the drools 6.2.0.Final and 6.3.0.Final
releases:
In 6.2.0.Final the following was possible:
- You could create a FactType (for example a Data Object in the workbench) in your
knowledge base
- From your application code, after loading the knowledge base. You could obtain the
specific FactType from the knowledge base, get the class and instantiate a new instance of
that class, effectively being a new instance of the FactType.
- This new instance of the FactType could then be inserted into a drools session for
the knowledge base and would be succesfully matched by rules that match the FactType as
defined in the knowledge base.
In 6.3.0.Final these rules would no longer be activated as the new FactType instance would
be loaded by a different class loader (and thus is a different class) than the FactType
class that the rules are trying to match.
Therefore: in 6.3.0.Final it's no longer possible to define your business objects in
your rule base, but have them populated and supplied outside of the rule session (in your
application code).
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