Jean-Baptiste Onofré created KARAF-5844:
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Summary: Add DispatcherProcessing with OSGi services
Key: KARAF-5844
URL: https://issues.apache.org/jira/browse/KARAF-5844
Project: Karaf
Issue Type: Dependency upgrade
Components: decanter
Reporter: Jean-Baptiste Onofré
Assignee: Jean-Baptiste Onofré
Fix For: decanter-2.1.0
Currently, Decanter uses a "flat" workflow:
collect-marhsall-dispatch-unmarhsall-append.
There's no way for an user to add custom processing logic at dispatching level
(at bit like the alerting does).
The idea is to add a {{DispatcherProcessing}} service in the {{Dispatching}}
phase. This {{DispatcherProcessing}} will detect and use (whiteboard pattern)
{{DispatcherProcesser}} OSGi services. The {{DispatcherProcessor}} interface
can look like:
{code}
public interface DispatcherProcessor {
void Object process(Object collectedEvent);
}
{code}
{{DispatcherProcessing}} can use the service ranking property to execute the
{{DispatcherProcessors}} in a given order and filter to apply a set of
{{DispatcherProcessors}} only on a given {{EventAdmin}} topic.
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