Package org.apache.tomcat.util.modeler
Class BaseNotificationBroadcaster
- java.lang.Object
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- org.apache.tomcat.util.modeler.BaseNotificationBroadcaster
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- All Implemented Interfaces:
NotificationBroadcaster
public class BaseNotificationBroadcaster extends Object implements NotificationBroadcaster
Implementation of
NotificationBroadcaster
for attribute change notifications. This class is used byBaseModelMBean
to handle notifications of attribute change events to interested listeners.- Author:
- Craig R. McClanahan, Costin Manolache
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Constructor Summary
Constructors Constructor Description BaseNotificationBroadcaster()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description void
addNotificationListener(NotificationListener listener, NotificationFilter filter, Object handback)
Add a notification event listener to this MBean.MBeanNotificationInfo[]
getNotificationInfo()
Return anMBeanNotificationInfo
object describing the notifications sent by this MBean.void
removeNotificationListener(NotificationListener listener)
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 Detail
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entries
protected ArrayList<org.apache.tomcat.util.modeler.BaseNotificationBroadcasterEntry> entries
The set of registeredBaseNotificationBroadcasterEntry
entries.
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Method Detail
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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
public MBeanNotificationInfo[] 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
public void sendNotification(Notification notification)
Send the specified notification to all interested listeners.- Parameters:
notification
- The notification to be sent
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