Package org.apache.tomcat.util.modeler
Class BaseNotificationBroadcaster
java.lang.Object
org.apache.tomcat.util.modeler.BaseNotificationBroadcaster
- All Implemented Interfaces:
NotificationBroadcaster
Implementation of
NotificationBroadcaster
for attribute
change notifications. This class is used by BaseModelMBean
to
handle notifications of attribute change events to interested listeners.- Author:
- Craig R. McClanahan, Costin Manolache
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Field Summary
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Constructor Summary
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Method Summary
Modifier and TypeMethodDescriptionvoid
addNotificationListener
(NotificationListener listener, NotificationFilter filter, Object handback) Add a notification event listener to this MBean.Return anMBeanNotificationInfo
object describing the notifications sent by this MBean.void
Remove a notification event listener from this MBean.void
sendNotification
(Notification notification) Send the specified notification to all interested listeners.
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Field Details
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entries
The set of registeredBaseNotificationBroadcasterEntry
entries.
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Constructor Details
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BaseNotificationBroadcaster
public BaseNotificationBroadcaster()
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Method Details
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addNotificationListener
public void addNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback) throws IllegalArgumentException Add a notification event listener to this MBean.- Specified by:
addNotificationListener
in interfaceNotificationBroadcaster
- Parameters:
listener
- Listener that will receive event notificationsfilter
- Filter object used to filter event notifications actually delivered, ornull
for no filteringhandback
- Handback object to be sent along with event notifications- Throws:
IllegalArgumentException
- if the listener parameter is null
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getNotificationInfo
Return anMBeanNotificationInfo
object describing the notifications sent by this MBean.- Specified by:
getNotificationInfo
in interfaceNotificationBroadcaster
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removeNotificationListener
public void removeNotificationListener(NotificationListener listener) throws ListenerNotFoundException Remove a notification event listener from this MBean.- Specified by:
removeNotificationListener
in interfaceNotificationBroadcaster
- Parameters:
listener
- The listener to be removed (any and all registrations for this listener will be eliminated)- Throws:
ListenerNotFoundException
- if this listener is not registered in the MBean
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sendNotification
Send the specified notification to all interested listeners.- Parameters:
notification
- The notification to be sent
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