[jboss-user] [JBoss Seam] - Events..
tony.herstell@gmail.com
do-not-reply at jboss.com
Fri Feb 1 20:24:19 EST 2008
I have an Entity and am trying to get it to throw an event when the number of riders changes (this is mapped to the View naturally)...
I have tried with just two annotation (thrower and catcher) to no avail... now I have added EVERYTHING in and it still does not work; what am I missing?
Entity...
| @SuppressWarnings("serial")
| @Entity // Defines this as an Entity that is a class mapped to the Datastore.
| @Name("bookingResourceArena") // Name used within SEAM for an instance of this class.
| @DiscriminatorValue("WithArena")
| public class BookingResourceWithRiders extends BookingResourceWithHoursRange implements Serializable {
|
| ...
|
| @RaiseEvent("RiderNumbersChanged")
| public void setRiders(int number) {
| this.riders = number;
| Events.instance().raiseEvent("RiderNumbersChanged");
| }
|
Controller...
| @SuppressWarnings("serial")
| @Stateful
| // A new component is created or re-initialised and re-used each time it is
| // called.
| @Name("bookingController")
| // Name used within SEAM for an instance of this class.
| @Conversational
| // Scope that this class exists in.
| public class BookingControllerImpl implements BookingController, Serializable {
|
| ...
|
| @TransactionAttribute(TransactionAttributeType.NOT_SUPPORTED)
| @Observer("RiderNumbersChanged")
| public void changeRiderNumbers() {
| log.info(">changeRiderNumbers");
| log.info("<changeRiderNumbers");
| }
|
components.xml
| <event type="RiderNumbersChanged">
| <action expression="#{bookingController.changeRiderNumbers}" />
| </event>
|
Chunk off screen
| <!-- Number of Riders (Arenas) -->
| <rich:column colspan="3" breakBefore="true"
| rendered="#{(bookingController.reason == 'ONE_HOUR_PRIVATE' || bookingController.reason == 'ONE_HOUR_OPEN')
| and (eachResource.resource.kind == 'INDOOR_ARENA' || eachResource.resource.kind == 'DRESSAGE_ARENA' || eachResource.resource.kind == 'SJ_ARENA')}">
| <h:outputText value="#{messages.booking_number_of_riders}" />
| <rich:inputNumberSpinner id="riderNumbers" immediate="true" enableManualInput="false"
| minValue="1" maxValue="6" step="1" value="#{eachResource.riders}">
| <a4j:support event="onchange" eventsQueue="eventsQueue" requestDelay="2000" />
| </rich:inputNumberSpinner>
| </rich:column>
|
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