[jboss-jira] [JBoss JIRA] Created: (JBRULES-2683) DroolsSession's initWorkItemManagerFactory method can not work in a OSGi context

[Antoine Toulme (JIRA)]

DroolsSession's initWorkItemManagerFactory method can not work in a OSGi context
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                 Key: JBRULES-2683
                 URL: https://jira.jboss.org/browse/JBRULES-2683
             Project: Drools
          Issue Type: Bug
      Security Level: Public (Everyone can see)
          Components: drools-core
    Affects Versions: 5.2.0.M1
            Reporter: Antoine Toulme
            Assignee: Mark Proctor
             Fix For: FUTURE


This affects the current trunk.

The code in the method does this:

String className = this.chainedProperties.getProperty( "drools.workItemManagerFactory",
                                                               "org.drools.process.instance.impl.DefaultWorkItemManagerFactory" );

[..]

clazz = (Class<WorkItemManagerFactory>) Thread.currentThread().getContextClassLoader().loadClass( className );

[..]

clazz = (Class<WorkItemManagerFactory>) SessionConfiguration.class.getClassLoader().loadClass( className );

None of this can work for the default factory since drools-core does not depend on drools-flow-core (and creating a dependency would create a cycle). Actually, this won't work for customer code as well, since drools-core won't depend on their bundle.

I suggest to use a declarative service to work around this problem, while keeping this type of instantiation around when OSGi is not on.

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