Package org.apache.tomcat.util.modeler

Class BaseNotificationBroadcaster

  • All Implemented Interfaces:
    javax.management.NotificationBroadcaster
    public class BaseNotificationBroadcaster
extends java.lang.Object
implements javax.management.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

    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected java.util.ArrayList<org.apache.tomcat.util.modeler.BaseNotificationBroadcasterEntry> entries
      The set of registered BaseNotificationBroadcasterEntry entries.

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      void addNotificationListener​(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 an MBeanNotificationInfo object describing the notifications sent by this MBean.
      void removeNotificationListener​(javax.management.NotificationListener listener)
      Remove a notification event listener from this MBean.
      void sendNotification​(javax.management.Notification notification)
      Send the specified notification to all interested listeners.

      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

    • Field Detail

      • entries

        protected java.util.ArrayList<org.apache.tomcat.util.modeler.BaseNotificationBroadcasterEntry> entries
        The set of registered BaseNotificationBroadcasterEntry entries.

    • Constructor Detail

      • BaseNotificationBroadcaster

        public BaseNotificationBroadcaster()

    • Method Detail

      • addNotificationListener

        public void addNotificationListener​(javax.management.NotificationListener listener,
                                    javax.management.NotificationFilter filter,
                                    java.lang.Object handback)
                             throws java.lang.IllegalArgumentException
        Add a notification event listener to this MBean.
        Specified by:
        addNotificationListener in interface javax.management.NotificationBroadcaster
        Parameters:
        listener - Listener that will receive event notifications
        filter - Filter object used to filter event notifications actually delivered, or null for no filtering
        handback - Handback object to be sent along with event notifications
        Throws:
        java.lang.IllegalArgumentException - if the listener parameter is null

      • getNotificationInfo

        public javax.management.MBeanNotificationInfo[] getNotificationInfo()
        Return an MBeanNotificationInfo object describing the notifications sent by this MBean.
        Specified by:
        getNotificationInfo in interface javax.management.NotificationBroadcaster

      • removeNotificationListener

        public void removeNotificationListener​(javax.management.NotificationListener listener)
                                throws javax.management.ListenerNotFoundException
        Remove a notification event listener from this MBean.
        Specified by:
        removeNotificationListener in interface javax.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

      • sendNotification

        public void sendNotification​(javax.management.Notification notification)
        Send the specified notification to all interested listeners.
        Parameters:
        notification - The notification to be sent