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public interface EventPortlet
The EventPortlet
interface allows
portlets receiving events.
Events are part of the action processing and must be finished before the rendering phase can start. Portlets can receive events issued by other portlets or portlet container defined events.
Portlets should declare the events it would like to receive
via the supported-processing-event
tag and events published
via the supported-publishing-event
tag in the portlet
deployment descriptor.
The event model is a loosely coupled model where the wiring between published and receiving events is done at the portal / portlet container level.
Method Summary | |
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void |
processEvent(EventRequest request,
EventResponse response)
Called by the portlet container requesting the portlet to process a specific event. |
Method Detail |
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void processEvent(EventRequest request, EventResponse response) throws PortletException, java.io.IOException
request
- the event requestresponse
- the event response
PortletException
- if the portlet has problems fulfilling the
request
UnavailableException
- if the portlet is unavailable to process the event at this time
PortletSecurityException
- if the portlet cannot fullfill this request because of security reasons
java.io.IOException
- if the streaming causes an I/O problem
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