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/* * @(#)file ModelMBeanNotificationBroadcaster.java * @(#)author IBM Corp. * @(#)version 1.22 * @(#)lastedit 05/11/17 */ /* * Copyright IBM Corp. 1999-2000. All rights reserved. * * The program is provided "as is" without any warranty express or implied, * including the warranty of non-infringement and the implied warranties of * merchantibility and fitness for a particular purpose. IBM will not be * liable for any damages suffered by you or any third party claim against * you regarding the Program. * * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * This software is the proprietary information of Sun Microsystems, Inc. * Use is subject to license terms. * * Copyright 2006 Sun Microsystems, Inc. Tous droits reserves. * Ce logiciel est propriete de Sun Microsystems, Inc. * Distribue par des licences qui en restreignent l'utilisation. * */ package javax.management.modelmbean; import javax.management.*; import javax.management.InstanceNotFoundException; /** * This interface must be implemented by the ModelMBeans. An implementation of this interface * must be shipped with every JMX Agent. * <P> * Java resources wishing to be manageable instantiate the ModelMBean using the MBeanServer's * createMBean method. The resource then sets the ModelMBeanInfo (with Descriptors) for the ModelMBean * instance. The attributes and operations exposed via the ModelMBeanInfo for the ModelMBean are accessible * from MBeans, connectors/adaptors like other MBeans. Through the ModelMBeanInfo Descriptors, values and methods in * the managed application can be defined and mapped to attributes and operations of the ModelMBean. * This mapping can be defined during development in an XML formatted file or dynamically and * programmatically at runtime. * <P> * Every ModelMBean which is instantiated in the MBeanServer becomes manageable: * its attributes and operations * become remotely accessible through the connectors/adaptors connected to that MBeanServer. * A Java object cannot be registered in the MBeanServer unless it is a JMX compliant MBean. * By instantiating a ModelMBean, resources are guaranteed that the MBean is valid. * <P> * MBeanException and RuntimeOperationsException must be thrown on every public method. This allows * for wrapping exceptions from distributed communications (RMI, EJB, etc.). These exceptions do * not have to be thrown by the implementation except in the scenarios described in the specification * and javadoc. * * @since 1.5 */ public interface ModelMBeanNotificationBroadcaster extends NotificationBroadcaster { /** * Sends a Notification which is passed in to the registered * Notification listeners on the ModelMBean as a * jmx.modelmbean.generic notification. * * @param ntfyObj The notification which is to be passed to * the 'handleNotification' method of the listener object. * * @exception MBeanException Wraps a distributed communication Exception. * @exception RuntimeOperationsException Wraps an IllegalArgumentException: * The Notification object passed in parameter is null. * */ public void sendNotification(Notification ntfyObj) throws MBeanException, RuntimeOperationsException; /** * Sends a Notification which contains the text string that is passed in * to the registered Notification listeners on the ModelMBean. * * @param ntfyText The text which is to be passed in the Notification to the 'handleNotification' * method of the listener object. * the constructed Notification will be: * type "jmx.modelmbean.generic" * source this ModelMBean instance * sequence 1 * * * @exception MBeanException Wraps a distributed communication Exception. * @exception RuntimeOperationsException Wraps an IllegalArgumentException: * The Notification text string passed in parameter is null. * */ public void sendNotification(String ntfyText) throws MBeanException, RuntimeOperationsException; /** * Sends an attributeChangeNotification which is passed in to * the registered attributeChangeNotification listeners on the * ModelMBean. * * @param notification The notification which is to be passed * to the 'handleNotification' method of the listener object. * * @exception MBeanException Wraps a distributed communication Exception. * @exception RuntimeOperationsException Wraps an IllegalArgumentException: The AttributeChangeNotification object passed in parameter is null. * */ public void sendAttributeChangeNotification(AttributeChangeNotification notification) throws MBeanException, RuntimeOperationsException; /** * Sends an attributeChangeNotification which contains the old value and new value for the * attribute to the registered AttributeChangeNotification listeners on the ModelMBean. * <P> * @param oldValue The original value for the Attribute * @param newValue The current value for the Attribute *<P> * <PRE> * The constructed attributeChangeNotification will be: * type "jmx.attribute.change" * source this ModelMBean instance * sequence 1 * attributeName oldValue.getName() * attributeType oldValue's class * attributeOldValue oldValue.getValue() * attributeNewValue newValue.getValue() * </PRE> * * @exception MBeanException Wraps a distributed communication Exception. * @exception RuntimeOperationsException Wraps an IllegalArgumentException: An Attribute object passed in parameter is null * or the names of the two Attribute objects in parameter are not the same. */ public void sendAttributeChangeNotification(Attribute oldValue, Attribute newValue) throws MBeanException, RuntimeOperationsException; /** * Registers an object which implements the NotificationListener interface as a listener. This * object's 'handleNotification()' method will be invoked when any attributeChangeNotification is issued through * or by the ModelMBean. This does not include other Notifications. They must be registered * for independently. An AttributeChangeNotification will be generated for this attributeName. * * @param listener The listener object which will handles notifications emitted by the registered MBean. * @param attributeName The name of the ModelMBean attribute for which to receive change notifications. * If null, then all attribute changes will cause an attributeChangeNotification to be issued. * @param handback The context to be sent to the listener with the notification when a notification is emitted. * * @exception IllegalArgumentException The listener cannot be null. * @exception MBeanException Wraps a distributed communication Exception. * @exception RuntimeOperationsException Wraps an IllegalArgumentException The attribute name passed in parameter does not exist. * * @see #removeAttributeChangeNotificationListener */ public void addAttributeChangeNotificationListener(NotificationListener listener, String attributeName, Object handback) throws MBeanException, RuntimeOperationsException, IllegalArgumentException; /** * Removes a listener for attributeChangeNotifications from the RequiredModelMBean. * * @param listener The listener name which was handling notifications emitted by the registered MBean. * This method will remove all information related to this listener. * @param attributeName The attribute for which the listener no longer wants to receive attributeChangeNotifications. * If null the listener will be removed for all attributeChangeNotifications. * * @exception ListenerNotFoundException The listener is not registered in the MBean or is null. * @exception MBeanException Wraps a distributed communication Exception. * @exception RuntimeOperationsException Wraps an IllegalArgumentException If the inAttributeName parameter does not * correspond to an attribute name. * * @see #addAttributeChangeNotificationListener */ public void removeAttributeChangeNotificationListener(NotificationListener listener, String attributeName) throws MBeanException, RuntimeOperationsException, ListenerNotFoundException; }