If it safe to use in that it works now, but its an internal api so could
change at any time - so we don't recommend you using it. The correct
place to set the ConsequenceExceptionHandler is via the
RuleBaseConfiguration, which allows you to overide it there.
Mark
Jared Davis wrote:
Hi,
re:Drools 4.0.3
I want/need to use ConsequenceExceptionHandler for exception handling.
I'd like to be able to get the ConsequenceExceptionHandler from a
StatefulSession.
The only way I see to get the handler relies on InternalRuleBase.
The JavaDoc at http://downloads.jboss.com/drools/docs/_
4.0.3.15993.GA/apidocs/org/drools/common/InternalRuleBase.html
does not have any annotation that it is internal use only. However the naming
convention sure makes me this this is a bad idea.
Any alternatives to the following code to retrieve the
ConsequenceExceptionHandler?
InternalRuleBase thisSmellsLikeABadIdea= (InternalRuleBase) wm.getRuleBase();
DroolsExceptionHandler deh = (DroolsExceptionHandler)
thisSmellsLikeABadIdea.getConfiguration().getConsequenceExceptionHandler();
List<Exception> exceptions = deh.getExceptions();
(Where DroolsExceptionHandler is
package droolsconfig;
import java.util.ArrayList;
import java.util.List;
import org.drools.WorkingMemory;
import org.drools.spi.Activation;
import org.drools.spi.ConsequenceExceptionHandler;
public class DroolsExceptionHandler implements ConsequenceExceptionHandler {
List<Exception> exceptions = new ArrayList<Exception>();
public DroolsExceptionHandler() {
}
public void handleException(Activation activation, WorkingMemory
workingMemory, Exception exception) {
exceptions.add(exception);
}
public List<Exception> getExceptions() {
return exceptions;
}
}
)
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