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:
javax.management.NotificationBroadcaster
public class BaseNotificationBroadcaster extends java.lang.Object implements javax.management.NotificationBroadcasterImplementation of
NotificationBroadcasterfor attribute change notifications. This class is used byBaseModelMBeanto handle notifications of attribute change events to interested listeners.- Author:
- Craig R. McClanahan, Costin Manolache
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Field Summary
Fields Modifier and Type Field Description protected java.util.ArrayList<org.apache.tomcat.util.modeler.BaseNotificationBroadcasterEntry>entriesThe set of registeredBaseNotificationBroadcasterEntryentries.
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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 voidaddNotificationListener(javax.management.NotificationListener listener, javax.management.NotificationFilter filter, java.lang.Object handback)Add a notification event listener to this MBean.javax.management.MBeanNotificationInfo[]getNotificationInfo()Return anMBeanNotificationInfoobject describing the notifications sent by this MBean.voidremoveNotificationListener(javax.management.NotificationListener listener)Remove a notification event listener from this MBean.voidsendNotification(javax.management.Notification notification)Send the specified notification to all interested listeners.
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Method Detail
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addNotificationListener
public void addNotificationListener(javax.management.NotificationListener listener, javax.management.NotificationFilter filter, java.lang.Object handback) throws java.lang.IllegalArgumentExceptionAdd a notification event listener to this MBean.- Specified by:
addNotificationListenerin interfacejavax.management.NotificationBroadcaster- Parameters:
listener- Listener that will receive event notificationsfilter- Filter object used to filter event notifications actually delivered, ornullfor no filteringhandback- Handback object to be sent along with event notifications- Throws:
java.lang.IllegalArgumentException- if the listener parameter is null
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getNotificationInfo
public javax.management.MBeanNotificationInfo[] getNotificationInfo()
Return anMBeanNotificationInfoobject describing the notifications sent by this MBean.- Specified by:
getNotificationInfoin interfacejavax.management.NotificationBroadcaster
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removeNotificationListener
public void removeNotificationListener(javax.management.NotificationListener listener) throws javax.management.ListenerNotFoundExceptionRemove a notification event listener from this MBean.- Specified by:
removeNotificationListenerin interfacejavax.management.NotificationBroadcaster- Parameters:
listener- The listener to be removed (any and all registrations for this listener will be eliminated)- Throws:
javax.management.ListenerNotFoundException- if this listener is not registered in the MBean
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sendNotification
public void sendNotification(javax.management.Notification notification)
Send the specified notification to all interested listeners.- Parameters:
notification- The notification to be sent
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