Java > Open Source Codes > javax > management > MBeanServerConnection


1 /*
2  * @(#)MBeanServerConnection.java 1.21 04/02/10
3  *
4  * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
5  * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
6  */
7
8 package javax.management;
9
10
11 // java import
12 import java.io.IOException ;
13 import java.util.Set ;
14
15
16 /**
17  * This interface represents a way to talk to an MBean server, whether
18  * local or remote. The {@link MBeanServer} interface, representing a
19  * local MBean server, extends this interface.
20  *
21  *
22  * @since 1.5
23  * @since.unbundled JMX 1.2
24  */
25 public interface MBeanServerConnection {
26     /**
27      * <p>Instantiates and registers an MBean in the MBean server. The
28      * MBean server will use its {@link
29      * javax.management.loading.ClassLoaderRepository Default Loader
30      * Repository} to load the class of the MBean. An object name is
31      * associated to the MBean. If the object name given is null, the
32      * MBean must provide its own name by implementing the {@link
33      * javax.management.MBeanRegistration MBeanRegistration} interface
34      * and returning the name from the {@link
35      * MBeanRegistration#preRegister preRegister} method.</p>
36      *
37      * <p>This method is equivalent to {@link
38      * #createMBean(String,ObjectName,Object[],String[])
39      * createMBean(className, name, (Object[]) null, (String[])
40      * null)}.</p>
41      *
42      * @param className The class name of the MBean to be instantiated.
43      * @param name The object name of the MBean. May be null.
44      *
45      * @return An <CODE>ObjectInstance</CODE>, containing the
46      * <CODE>ObjectName</CODE> and the Java class name of the newly
47      * instantiated MBean. If the contained <code>ObjectName</code>
48      * is <code>n</code>, the contained Java class name is
49      * <code>{@link #getMBeanInfo getMBeanInfo(n)}.getClassName()</code>.
50      *
51      * @exception ReflectionException Wraps a
52      * <CODE>java.lang.ClassNotFoundException</CODE> or a
53      * <CODE><CODE>java.lang.Exception</CODE></CODE> that occurred
54      * when trying to invoke the MBean's constructor.
55      * @exception InstanceAlreadyExistsException The MBean is already
56      * under the control of the MBean server.
57      * @exception MBeanRegistrationException The
58      * <CODE>preRegister</CODE> (<CODE>MBeanRegistration</CODE>
59      * interface) method of the MBean has thrown an exception. The
60      * MBean will not be registered.
61      * @exception MBeanException The constructor of the MBean has
62      * thrown an exception
63      * @exception NotCompliantMBeanException This class is not a JMX
64      * compliant MBean
65      * @exception RuntimeOperationsException Wraps a
66      * <CODE>java.lang.IllegalArgumentException</CODE>: The className
67      * passed in parameter is null, the <CODE>ObjectName</CODE> passed
68      * in parameter contains a pattern or no <CODE>ObjectName</CODE>
69      * is specified for the MBean.
70      * @exception IOException A communication problem occurred when
71      * talking to the MBean server.
72      *
73      */
74     public ObjectInstance createMBean(String className, ObjectName name)
75         throws ReflectionException , InstanceAlreadyExistsException ,
76            MBeanRegistrationException , MBeanException ,
77            NotCompliantMBeanException , IOException ;
78
79     /**
80      * <p>Instantiates and registers an MBean in the MBean server. The
81      * class loader to be used is identified by its object name. An
82      * object name is associated to the MBean. If the object name of
83      * the loader is null, the ClassLoader that loaded the MBean
84      * server will be used. If the MBean's object name given is null,
85      * the MBean must provide its own name by implementing the {@link
86      * javax.management.MBeanRegistration MBeanRegistration} interface
87      * and returning the name from the {@link
88      * MBeanRegistration#preRegister preRegister} method.</p>
89      *
90      * <p>This method is equivalent to {@link
91      * #createMBean(String,ObjectName,ObjectName,Object[],String[])
92      * createMBean(className, name, loaderName, (Object[]) null,
93      * (String[]) null)}.</p>
94      *
95      * @param className The class name of the MBean to be instantiated.
96      * @param name The object name of the MBean. May be null.
97      * @param loaderName The object name of the class loader to be used.
98      *
99      * @return An <CODE>ObjectInstance</CODE>, containing the
100      * <CODE>ObjectName</CODE> and the Java class name of the newly
101      * instantiated MBean. If the contained <code>ObjectName</code>
102      * is <code>n</code>, the contained Java class name is
103      * <code>{@link #getMBeanInfo getMBeanInfo(n)}.getClassName()</code>.
104      *
105      * @exception ReflectionException Wraps a
106      * <CODE>java.lang.ClassNotFoundException</CODE> or a
107      * <CODE>java.lang.Exception</CODE> that occurred when trying to
108      * invoke the MBean's constructor.
109      * @exception InstanceAlreadyExistsException The MBean is already
110      * under the control of the MBean server.
111      * @exception MBeanRegistrationException The
112      * <CODE>preRegister</CODE> (<CODE>MBeanRegistration</CODE>
113      * interface) method of the MBean has thrown an exception. The
114      * MBean will not be registered.
115      * @exception MBeanException The constructor of the MBean has
116      * thrown an exception
117      * @exception NotCompliantMBeanException This class is not a JMX
118      * compliant MBean
119      * @exception InstanceNotFoundException The specified class loader
120      * is not registered in the MBean server.
121      * @exception RuntimeOperationsException Wraps a
122      * <CODE>java.lang.IllegalArgumentException</CODE>: The className
123      * passed in parameter is null, the <CODE>ObjectName</CODE> passed
124      * in parameter contains a pattern or no <CODE>ObjectName</CODE>
125      * is specified for the MBean.
126      * @exception IOException A communication problem occurred when
127      * talking to the MBean server.
128      */
129     public ObjectInstance createMBean(String className, ObjectName name,
130                       ObjectName loaderName)
131         throws ReflectionException , InstanceAlreadyExistsException ,
132            MBeanRegistrationException , MBeanException ,
133            NotCompliantMBeanException , InstanceNotFoundException ,
134            IOException ;
135
136
137     /**
138      * Instantiates and registers an MBean in the MBean server. The
139      * MBean server will use its {@link
140      * javax.management.loading.ClassLoaderRepository Default Loader
141      * Repository} to load the class of the MBean. An object name is
142      * associated to the MBean. If the object name given is null, the
143      * MBean must provide its own name by implementing the {@link
144      * javax.management.MBeanRegistration MBeanRegistration} interface
145      * and returning the name from the {@link
146      * MBeanRegistration#preRegister preRegister} method.
147      *
148      * @param className The class name of the MBean to be instantiated.
149      * @param name The object name of the MBean. May be null.
150      * @param params An array containing the parameters of the
151      * constructor to be invoked.
152      * @param signature An array containing the signature of the
153      * constructor to be invoked.
154      *
155      * @return An <CODE>ObjectInstance</CODE>, containing the
156      * <CODE>ObjectName</CODE> and the Java class name of the newly
157      * instantiated MBean. If the contained <code>ObjectName</code>
158      * is <code>n</code>, the contained Java class name is
159      * <code>{@link #getMBeanInfo getMBeanInfo(n)}.getClassName()</code>.
160      *
161      * @exception ReflectionException Wraps a
162      * <CODE>java.lang.ClassNotFoundException</CODE> or a
163      * <CODE>java.lang.Exception</CODE> that occurred when trying to
164      * invoke the MBean's constructor.
165      * @exception InstanceAlreadyExistsException The MBean is already
166      * under the control of the MBean server.
167      * @exception MBeanRegistrationException The
168      * <CODE>preRegister</CODE> (<CODE>MBeanRegistration</CODE>
169      * interface) method of the MBean has thrown an exception. The
170      * MBean will not be registered.
171      * @exception MBeanException The constructor of the MBean has
172      * thrown an exception
173      * @exception NotCompliantMBeanException This class is not a JMX
174      * compliant MBean
175      * @exception RuntimeOperationsException Wraps a
176      * <CODE>java.lang.IllegalArgumentException</CODE>: The className
177      * passed in parameter is null, the <CODE>ObjectName</CODE> passed
178      * in parameter contains a pattern or no <CODE>ObjectName</CODE>
179      * is specified for the MBean.
180      * @exception IOException A communication problem occurred when
181      * talking to the MBean server.
182      *
183      */
184     public ObjectInstance createMBean(String className, ObjectName name,
185                       Object params[], String signature[])
186         throws ReflectionException , InstanceAlreadyExistsException ,
187                MBeanRegistrationException , MBeanException ,
188                NotCompliantMBeanException , IOException ;
189
190     /**
191      * Instantiates and registers an MBean in the MBean server. The
192      * class loader to be used is identified by its object name. An
193      * object name is associated to the MBean. If the object name of
194      * the loader is not specified, the ClassLoader that loaded the
195      * MBean server will be used. If the MBean object name given is
196      * null, the MBean must provide its own name by implementing the
197      * {@link javax.management.MBeanRegistration MBeanRegistration}
198      * interface and returning the name from the {@link
199      * MBeanRegistration#preRegister preRegister} method.
200      *
201      * @param className The class name of the MBean to be instantiated.
202      * @param name The object name of the MBean. May be null.
203      * @param params An array containing the parameters of the
204      * constructor to be invoked.
205      * @param signature An array containing the signature of the
206      * constructor to be invoked.
207      * @param loaderName The object name of the class loader to be used.
208      *
209      * @return An <CODE>ObjectInstance</CODE>, containing the
210      * <CODE>ObjectName</CODE> and the Java class name of the newly
211      * instantiated MBean. If the contained <code>ObjectName</code>
212      * is <code>n</code>, the contained Java class name is
213      * <code>{@link #getMBeanInfo getMBeanInfo(n)}.getClassName()</code>.
214      *
215      * @exception ReflectionException Wraps a
216      * <CODE>java.lang.ClassNotFoundException</CODE> or a
217      * <CODE>java.lang.Exception</CODE> that occurred when trying to
218      * invoke the MBean's constructor.
219      * @exception InstanceAlreadyExistsException The MBean is already
220      * under the control of the MBean server.
221      * @exception MBeanRegistrationException The
222      * <CODE>preRegister</CODE> (<CODE>MBeanRegistration</CODE>
223      * interface) method of the MBean has thrown an exception. The
224      * MBean will not be registered.
225      * @exception MBeanException The constructor of the MBean has
226      * thrown an exception
227      * @exception NotCompliantMBeanException This class is not a JMX
228      * compliant MBean
229      * @exception InstanceNotFoundException The specified class loader
230      * is not registered in the MBean server.
231      * @exception RuntimeOperationsException Wraps a
232      * <CODE>java.lang.IllegalArgumentException</CODE>: The className
233      * passed in parameter is null, the <CODE>ObjectName</CODE> passed
234      * in parameter contains a pattern or no <CODE>ObjectName</CODE>
235      * is specified for the MBean.
236      * @exception IOException A communication problem occurred when
237      * talking to the MBean server.
238      *
239      */
240     public ObjectInstance createMBean(String className, ObjectName name,
241                       ObjectName loaderName, Object params[],
242                       String signature[])
243         throws ReflectionException , InstanceAlreadyExistsException ,
244                MBeanRegistrationException , MBeanException ,
245                NotCompliantMBeanException , InstanceNotFoundException ,
246                IOException ;
247
248     /**
249      * Unregisters an MBean from the MBean server. The MBean is
250      * identified by its object name. Once the method has been
251      * invoked, the MBean may no longer be accessed by its object
252      * name.
253      *
254      * @param name The object name of the MBean to be unregistered.
255      *
256      * @exception InstanceNotFoundException The MBean specified is not
257      * registered in the MBean server.
258      * @exception MBeanRegistrationException The preDeregister
259      * ((<CODE>MBeanRegistration</CODE> interface) method of the MBean
260      * has thrown an exception.
261      * @exception RuntimeOperationsException Wraps a
262      * <CODE>java.lang.IllegalArgumentException</CODE>: The object
263      * name in parameter is null or the MBean you are when trying to
264      * unregister is the {@link javax.management.MBeanServerDelegate
265      * MBeanServerDelegate} MBean.
266      * @exception IOException A communication problem occurred when
267      * talking to the MBean server.
268      *
269      */
270     public void unregisterMBean(ObjectName name)
271         throws InstanceNotFoundException , MBeanRegistrationException ,
272                IOException ;
273
274     /**
275      * Gets the <CODE>ObjectInstance</CODE> for a given MBean
276      * registered with the MBean server.
277      *
278      * @param name The object name of the MBean.
279      *
280      * @return The <CODE>ObjectInstance</CODE> associated with the MBean
281      * specified by <VAR>name</VAR>. The contained <code>ObjectName</code>
282      * is <code>name</code> and the contained class name is
283      * <code>{@link #getMBeanInfo getMBeanInfo(name)}.getClassName()</code>.
284      *
285      * @exception InstanceNotFoundException The MBean specified is not
286      * registered in the MBean server.
287      * @exception IOException A communication problem occurred when
288      * talking to the MBean server.
289      */
290     public ObjectInstance getObjectInstance(ObjectName name)
291         throws InstanceNotFoundException , IOException ;
292
293     /**
294      * Gets MBeans controlled by the MBean server. This method allows
295      * any of the following to be obtained: All MBeans, a set of
296      * MBeans specified by pattern matching on the
297      * <CODE>ObjectName</CODE> and/or a Query expression, a specific
298      * MBean. When the object name is null or no domain and key
299      * properties are specified, all objects are to be selected (and
300      * filtered if a query is specified). It returns the set of
301      * <CODE>ObjectInstance</CODE> objects (containing the
302      * <CODE>ObjectName</CODE> and the Java Class name) for the
303      * selected MBeans.
304      *
305      * @param name The object name pattern identifying the MBeans to
306      * be retrieved. If null or no domain and key properties are
307      * specified, all the MBeans registered will be retrieved.
308      * @param query The query expression to be applied for selecting
309      * MBeans. If null no query expression will be applied for
310      * selecting MBeans.
311      *
312      * @return A set containing the <CODE>ObjectInstance</CODE>
313      * objects for the selected MBeans. If no MBean satisfies the
314      * query an empty list is returned.
315      *
316      * @exception IOException A communication problem occurred when
317      * talking to the MBean server.
318      */
319     public Set queryMBeans(ObjectName name, QueryExp query)
320         throws IOException ;
321
322     /**
323      * Gets the names of MBeans controlled by the MBean server. This
324      * method enables any of the following to be obtained: The names
325      * of all MBeans, the names of a set of MBeans specified by
326      * pattern matching on the <CODE>ObjectName</CODE> and/or a Query
327      * expression, a specific MBean name (equivalent to testing
328      * whether an MBean is registered). When the object name is null
329      * or no domain and key properties are specified, all objects are
330      * selected (and filtered if a query is specified). It returns the
331      * set of ObjectNames for the MBeans selected.
332      *
333      * @param name The object name pattern identifying the MBean names
334      * to be retrieved. If null or no domain and key properties are
335      * specified, the name of all registered MBeans will be retrieved.
336      * @param query The query expression to be applied for selecting
337      * MBeans. If null no query expression will be applied for
338      * selecting MBeans.
339      *
340      * @return A set containing the ObjectNames for the MBeans
341      * selected. If no MBean satisfies the query, an empty list is
342      * returned.
343      *
344      * @exception IOException A communication problem occurred when
345      * talking to the MBean server.
346      */
347     public Set queryNames(ObjectName name, QueryExp query)
348         throws IOException ;
349
350
351
352     /**
353      * Checks whether an MBean, identified by its object name, is
354      * already registered with the MBean server.
355      *
356      * @param name The object name of the MBean to be checked.
357      *
358      * @return True if the MBean is already registered in the MBean
359      * server, false otherwise.
360      *
361      * @exception RuntimeOperationsException Wraps a
362      * <CODE>java.lang.IllegalArgumentException</CODE>: The object
363      * name in parameter is null.
364      * @exception IOException A communication problem occurred when
365      * talking to the MBean server.
366      */
367     public boolean isRegistered(ObjectName name)
368         throws IOException ;
369
370
371     /**
372      * Returns the number of MBeans registered in the MBean server.
373      *
374      * @return the number of MBeans registered.
375      *
376      * @exception IOException A communication problem occurred when
377      * talking to the MBean server.
378      */
379     public Integer getMBeanCount()
380         throws IOException ;
381
382     /**
383      * Gets the value of a specific attribute of a named MBean. The MBean
384      * is identified by its object name.
385      *
386      * @param name The object name of the MBean from which the
387      * attribute is to be retrieved.
388      * @param attribute A String specifying the name of the attribute
389      * to be retrieved.
390      *
391      * @return The value of the retrieved attribute.
392      *
393      * @exception AttributeNotFoundException The attribute specified
394      * is not accessible in the MBean.
395      * @exception MBeanException Wraps an exception thrown by the
396      * MBean's getter.
397      * @exception InstanceNotFoundException The MBean specified is not
398      * registered in the MBean server.
399      * @exception ReflectionException Wraps a
400      * <CODE>java.lang.Exception</CODE> thrown when trying to invoke
401      * the setter.
402      * @exception RuntimeOperationsException Wraps a
403      * <CODE>java.lang.IllegalArgumentException</CODE>: The object
404      * name in parameter is null or the attribute in parameter is
405      * null.
406      * @exception IOException A communication problem occurred when
407      * talking to the MBean server.
408      *
409      * @see #setAttribute
410      */
411     public Object getAttribute(ObjectName name, String attribute)
412         throws MBeanException , AttributeNotFoundException ,
413                InstanceNotFoundException , ReflectionException ,
414                IOException ;
415
416
417     /**
418      * Enables the values of several attributes of a named MBean. The MBean
419      * is identified by its object name.
420      *
421      * @param name The object name of the MBean from which the
422      * attributes are retrieved.
423      * @param attributes A list of the attributes to be retrieved.
424      *
425      * @return The list of the retrieved attributes.
426      *
427      * @exception InstanceNotFoundException The MBean specified is not
428      * registered in the MBean server.
429      * @exception ReflectionException An exception occurred when
430      * trying to invoke the getAttributes method of a Dynamic MBean.
431      * @exception RuntimeOperationsException Wrap a
432      * <CODE>java.lang.IllegalArgumentException</CODE>: The object
433      * name in parameter is null or attributes in parameter is null.
434      * @exception IOException A communication problem occurred when
435      * talking to the MBean server.
436      *
437      * @see #setAttributes
438      */
439     public AttributeList getAttributes(ObjectName name, String [] attributes)
440         throws InstanceNotFoundException , ReflectionException ,
441            IOException ;
442
443     /**
444      * Sets the value of a specific attribute of a named MBean. The MBean
445      * is identified by its object name.
446      *
447      * @param name The name of the MBean within which the attribute is
448      * to be set.
449      * @param attribute The identification of the attribute to be set
450      * and the value it is to be set to.
451      *
452      * @exception InstanceNotFoundException The MBean specified is not
453      * registered in the MBean server.
454      * @exception AttributeNotFoundException The attribute specified
455      * is not accessible in the MBean.
456      * @exception InvalidAttributeValueException The value specified
457      * for the attribute is not valid.
458      * @exception MBeanException Wraps an exception thrown by the
459      * MBean's setter.
460      * @exception ReflectionException Wraps a
461      * <CODE>java.lang.Exception</CODE> thrown when trying to invoke
462      * the setter.
463      * @exception RuntimeOperationsException Wraps a
464      * <CODE>java.lang.IllegalArgumentException</CODE>: The object
465      * name in parameter is null or the attribute in parameter is
466      * null.
467      * @exception IOException A communication problem occurred when
468      * talking to the MBean server.
469      *
470      * @see #getAttribute
471      */
472     public void setAttribute(ObjectName name, Attribute attribute)
473         throws InstanceNotFoundException , AttributeNotFoundException ,
474            InvalidAttributeValueException , MBeanException ,
475            ReflectionException , IOException ;
476
477
478
479     /**
480      * Sets the values of several attributes of a named MBean. The MBean is
481      * identified by its object name.
482      *
483      * @param name The object name of the MBean within which the
484      * attributes are to be set.
485      * @param attributes A list of attributes: The identification of
486      * the attributes to be set and the values they are to be set to.
487      *
488      * @return The list of attributes that were set, with their new
489      * values.
490      *
491      * @exception InstanceNotFoundException The MBean specified is not
492      * registered in the MBean server.
493      * @exception ReflectionException An exception occurred when
494      * trying to invoke the getAttributes method of a Dynamic MBean.
495      * @exception RuntimeOperationsException Wraps a
496      * <CODE>java.lang.IllegalArgumentException</CODE>: The object
497      * name in parameter is null or attributes in parameter is null.
498      * @exception IOException A communication problem occurred when
499      * talking to the MBean server.
500      *
501      * @see #getAttributes
502      */
503     public AttributeList setAttributes(ObjectName name,
504                        AttributeList attributes)
505     throws InstanceNotFoundException , ReflectionException , IOException ;
506
507     /**
508      * Invokes an operation on an MBean.
509      *
510      * @param name The object name of the MBean on which the method is
511      * to be invoked.
512      * @param operationName The name of the operation to be invoked.
513      * @param params An array containing the parameters to be set when
514      * the operation is invoked
515      * @param signature An array containing the signature of the
516      * operation. The class objects will be loaded using the same
517      * class loader as the one used for loading the MBean on which the
518      * operation was invoked.
519      *
520      * @return The object returned by the operation, which represents
521      * the result of invoking the operation on the MBean specified.
522      *
523      * @exception InstanceNotFoundException The MBean specified is not
524      * registered in the MBean server.
525      * @exception MBeanException Wraps an exception thrown by the
526      * MBean's invoked method.
527      * @exception ReflectionException Wraps a
528      * <CODE>java.lang.Exception</CODE> thrown while trying to invoke
529      * the method.
530      * @exception IOException A communication problem occurred when
531      * talking to the MBean server.
532      *
533      */
534     public Object invoke(ObjectName name, String operationName,
535              Object params[], String signature[])
536         throws InstanceNotFoundException , MBeanException ,
537            ReflectionException , IOException ;
538  
539
540   
541     /**
542      * Returns the default domain used for naming the MBean.
543      * The default domain name is used as the domain part in the ObjectName
544      * of MBeans if no domain is specified by the user.
545      *
546      * @return the default domain.
547      *
548      * @exception IOException A communication problem occurred when
549      * talking to the MBean server.
550      */
551     public String getDefaultDomain()
552         throws IOException ;
553
554     /**
555      * <p>Returns the list of domains in which any MBean is currently
556      * registered. A string is in the returned array if and only if
557      * there is at least one MBean registered with an ObjectName whose
558      * {@link ObjectName#getDomain() getDomain()} is equal to that
559      * string. The order of strings within the returned array is
560      * not defined.</p>
561      *
562      * @return the list of domains.
563      *
564      * @exception IOException A communication problem occurred when
565      * talking to the MBean server.
566      *
567      * @since.unbundled JMX 1.2
568      */
569     public String [] getDomains()
570         throws IOException ;
571
572     /**
573      * <p>Adds a listener to a registered MBean.</p>
574      *
575      * <P> A notification emitted by an MBean will be forwarded by the
576      * MBeanServer to the listener. If the source of the notification
577      * is a reference to an MBean object, the MBean server will replace it
578      * by that MBean's ObjectName. Otherwise the source is unchanged.
579      *
580      * @param name The name of the MBean on which the listener should
581      * be added.
582      * @param listener The listener object which will handle the
583      * notifications emitted by the registered MBean.
584      * @param filter The filter object. If filter is null, no
585      * filtering will be performed before handling notifications.
586      * @param handback The context to be sent to the listener when a
587      * notification is emitted.
588      *
589      * @exception InstanceNotFoundException The MBean name provided
590      * does not match any of the registered MBeans.
591      * @exception IOException A communication problem occurred when
592      * talking to the MBean server.
593      *
594      * @see #removeNotificationListener(ObjectName, NotificationListener)
595      * @see #removeNotificationListener(ObjectName, NotificationListener,
596      * NotificationFilter, Object)
597      */
598     public void addNotificationListener(ObjectName name,
599                     NotificationListener listener,
600                     NotificationFilter filter,
601                     Object handback)
602         throws InstanceNotFoundException , IOException ;
603
604
605     /**
606      * <p>Adds a listener to a registered MBean.</p>
607      *
608      * <p>A notification emitted by an MBean will be forwarded by the
609      * MBeanServer to the listener. If the source of the notification
610      * is a reference to an MBean object, the MBean server will
611      * replace it by that MBean's ObjectName. Otherwise the source is
612      * unchanged.</p>
613      *
614      * <p>The listener object that receives notifications is the one
615      * that is registered with the given name at the time this method
616      * is called. Even if it is subsequently unregistered, it will
617      * continue to receive notifications.</p>
618      *
619      * @param name The name of the MBean on which the listener should
620      * be added.
621      * @param listener The object name of the listener which will
622      * handle the notifications emitted by the registered MBean.
623      * @param filter The filter object. If filter is null, no
624      * filtering will be performed before handling notifications.
625      * @param handback The context to be sent to the listener when a
626      * notification is emitted.
627      *
628      * @exception InstanceNotFoundException The MBean name of the
629      * notification listener or of the notification broadcaster does
630      * not match any of the registered MBeans.
631      * @exception RuntimeOperationsException Wraps an {@link
632      * IllegalArgumentException}. The MBean named by
633      * <code>listener</code> exists but does not implement the {@link
634      * NotificationListener} interface.
635      * @exception IOException A communication problem occurred when
636      * talking to the MBean server.
637      *
638      * @see #removeNotificationListener(ObjectName, ObjectName)
639      * @see #removeNotificationListener(ObjectName, ObjectName,
640      * NotificationFilter, Object)
641      */
642     public void addNotificationListener(ObjectName name,
643                     ObjectName listener,
644                     NotificationFilter filter,
645                     Object handback)
646         throws InstanceNotFoundException , IOException ;
647
648
649     /**
650      * Removes a listener from a registered MBean.
651      *
652      * <P> If the listener is registered more than once, perhaps with
653      * different filters or callbacks, this method will remove all
654      * those registrations.
655      *
656      * @param name The name of the MBean on which the listener should
657      * be removed.
658      * @param listener The object name of the listener to be removed.
659      *
660      * @exception InstanceNotFoundException The MBean name provided
661      * does not match any of the registered MBeans.
662      * @exception ListenerNotFoundException The listener is not
663      * registered in the MBean.
664      * @exception IOException A communication problem occurred when
665      * talking to the MBean server.
666      *
667      * @see #addNotificationListener(ObjectName, ObjectName,
668      * NotificationFilter, Object)
669      */
670     public void removeNotificationListener(ObjectName name,
671                        ObjectName listener)
672     throws InstanceNotFoundException , ListenerNotFoundException ,
673            IOException ;
674
675     /**
676      * <p>Removes a listener from a registered MBean.</p>
677      *
678      * <p>The MBean must have a listener that exactly matches the
679      * given <code>listener</code>, <code>filter</code>, and
680      * <code>handback</code> parameters. If there is more than one
681      * such listener, only one is removed.</p>
682      *
683      * <p>The <code>filter</code> and <code>handback</code> parameters
684      * may be null if and only if they are null in a listener to be
685      * removed.</p>
686      *
687      * @param name The name of the MBean on which the listener should
688      * be removed.
689      * @param listener A listener that was previously added to this
690      * MBean.
691      * @param filter The filter that was specified when the listener
692      * was added.
693      * @param handback The handback that was specified when the
694      * listener was added.
695      *
696      * @exception InstanceNotFoundException The MBean name provided
697      * does not match any of the registered MBeans.
698      * @exception ListenerNotFoundException The listener is not
699      * registered in the MBean, or it is not registered with the given
700      * filter and handback.
701      * @exception IOException A communication problem occurred when
702      * talking to the MBean server.
703      *
704      * @see #addNotificationListener(ObjectName, ObjectName,
705      * NotificationFilter, Object)
706      *
707      * @since.unbundled JMX 1.2
708      */
709     public void removeNotificationListener(ObjectName name,
710                        ObjectName listener,
711                        NotificationFilter filter,
712                        Object handback)
713         throws InstanceNotFoundException , ListenerNotFoundException ,
714            IOException ;
715
716
717     /**
718      * <p>Removes a listener from a registered MBean.</p>
719      *
720      * <P> If the listener is registered more than once, perhaps with
721      * different filters or callbacks, this method will remove all
722      * those registrations.
723      *
724      * @param name The name of the MBean on which the listener should
725      * be removed.
726      * @param listener The object name of the listener to be removed.
727      *
728      * @exception InstanceNotFoundException The MBean name provided
729      * does not match any of the registered MBeans.
730      * @exception ListenerNotFoundException The listener is not
731      * registered in the MBean.
732      * @exception IOException A communication problem occurred when
733      * talking to the MBean server.
734      *
735      * @see #addNotificationListener(ObjectName, NotificationListener,
736      * NotificationFilter, Object)
737      */
738     public void removeNotificationListener(ObjectName name,
739                        NotificationListener listener)
740         throws InstanceNotFoundException , ListenerNotFoundException ,
741            IOException ;
742
743     /**
744      * <p>Removes a listener from a registered MBean.</p>
745      *
746      * <p>The MBean must have a listener that exactly matches the
747      * given <code>listener</code>, <code>filter</code>, and
748      * <code>handback</code> parameters. If there is more than one
749      * such listener, only one is removed.</p>
750      *
751      * <p>The <code>filter</code> and <code>handback</code> parameters
752      * may be null if and only if they are null in a listener to be
753      * removed.</p>
754      *
755      * @param name The name of the MBean on which the listener should
756      * be removed.
757      * @param listener A listener that was previously added to this
758      * MBean.
759      * @param filter The filter that was specified when the listener
760      * was added.
761      * @param handback The handback that was specified when the
762      * listener was added.
763      *
764      * @exception InstanceNotFoundException The MBean name provided
765      * does not match any of the registered MBeans.
766      * @exception ListenerNotFoundException The listener is not
767      * registered in the MBean, or it is not registered with the given
768      * filter and handback.
769      * @exception IOException A communication problem occurred when
770      * talking to the MBean server.
771      *
772      * @see #addNotificationListener(ObjectName, NotificationListener,
773      * NotificationFilter, Object)
774      *
775      * @since.unbundled JMX 1.2
776      */
777     public void removeNotificationListener(ObjectName name,
778                        NotificationListener listener,
779                        NotificationFilter filter,
780                        Object handback)
781         throws InstanceNotFoundException , ListenerNotFoundException ,
782            IOException ;
783
784     /**
785      * This method discovers the attributes and operations that an
786      * MBean exposes for management.
787      *
788      * @param name The name of the MBean to analyze
789      *
790      * @return An instance of <CODE>MBeanInfo</CODE> allowing the
791      * retrieval of all attributes and operations of this MBean.
792      *
793      * @exception IntrospectionException An exception occurred during
794      * introspection.
795      * @exception InstanceNotFoundException The MBean specified was
796      * not found.
797      * @exception ReflectionException An exception occurred when
798      * trying to invoke the getMBeanInfo of a Dynamic MBean.
799      * @exception IOException A communication problem occurred when
800      * talking to the MBean server.
801      */
802     public MBeanInfo getMBeanInfo(ObjectName name)
803         throws InstanceNotFoundException , IntrospectionException ,
804                ReflectionException , IOException ;
805
806  
807     /**
808      * <p>Returns true if the MBean specified is an instance of the
809      * specified class, false otherwise.</p>
810      *
811      * <p>If <code>name</code> does not name an MBean, this method
812      * throws {@link InstanceNotFoundException}.</p>
813      *
814      * <p>Otherwise, let<br>
815      * X be the MBean named by <code>name</code>,<br>
816      * L be the ClassLoader of X,<br>
817      * N be the class name in X's {@link MBeanInfo}.</p>
818      *
819      * <p>If N equals <code>className</code>, the result is true.</p>
820      *
821      * <p>Otherwise, if L successfully loads both N and
822      * <code>className</code>, and the second class is assignable from
823      * the first, the result is true.</p>
824      *
825      * <p>Otherwise, the result is false.</p>
826      *
827      * @param name The <CODE>ObjectName</CODE> of the MBean.
828      * @param className The name of the class.
829      *
830      * @return true if the MBean specified is an instance of the
831      * specified class according to the rules above, false otherwise.
832      *
833      * @exception InstanceNotFoundException The MBean specified is not
834      * registered in the MBean server.
835      * @exception IOException A communication problem occurred when
836      * talking to the MBean server.
837      */
838     public boolean isInstanceOf(ObjectName name, String className)
839         throws InstanceNotFoundException , IOException ;
840 }
841

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