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/* MBeanServerConnection.java -- Represents a connection to a management server.
   Copyright (C) 2006 Free Software Foundation, Inc.
 
This file is part of GNU Classpath.
 
GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
 
GNU Classpath is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with GNU Classpath; see the file COPYING.  If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.
 
Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.
 
As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
module.  An independent module is a module which is not derived from
or based on this library.  If you modify this library, you may extend
this exception to your version of the library, but you are not
obligated to do so.  If you do not wish to do so, delete this
exception statement from your version. */
 
package javax.management;
 
import java.io.IOException;
 
import java.util.Set;
 
/**
 * This interface represents a communication mechanism which may
 * be used to access an MBean server, whether this be local or
 * remote.  The {@link MBeanServer} interface extends this with
 * additional methods that apply only to local servers.
 *
 * @author Andrew John Hughes (gnu_andrew@member.fsf.org)
 * @since 1.5
 */
public interface MBeanServerConnection
{
 
  /**
   * Registers the supplied listener with the specified management
   * bean.  Notifications emitted by the management bean are forwarded
   * to the listener via the server, which will convert any MBean
   * references in the source to portable {@link ObjectName}
   * instances.  The notification is otherwise unchanged.
   *
   * @param name the name of the management bean with which the listener
   *             should be registered.
   * @param listener the listener which will handle notifications from
   *                 the bean.
   * @param filter the filter to apply to incoming notifications, or
   *               <code>null</code> if no filtering should be applied.
   * @param passback an object to be passed to the listener when a
   *                 notification is emitted.
   * @throws InstanceNotFoundException if the name of the management bean
   *                                   could not be resolved.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   * @see #removeNotificationListener(ObjectName, NotificationListener)
   * @see #removeNotificationListener(ObjectName, NotificationListener,
   *                                  NotificationFilter, Object)
   * @see NotificationBroadcaster#addNotificationListener(NotificationListener,
   *                                                      NotificationFilter,
   *                                                      Object)
   */
  void addNotificationListener(ObjectName name, NotificationListener listener,
                               NotificationFilter filter, Object passback)
    throws InstanceNotFoundException, IOException;
 
  /**
   * <p>
   * Registers the supplied listener with the specified management
   * bean.  Notifications emitted by the management bean are forwarded
   * to the listener via the server, which will convert any MBean
   * references in the source to portable {@link ObjectName}
   * instances.  The notification is otherwise unchanged.
   * </p>
   * <p>
   * The listener that receives notifications will be the one that is
   * registered with the given name at the time this method is called.
   * Even if it later unregisters and ceases to use that name, it will
   * still receive notifications.
   * </p>
   *
   * @param name the name of the management bean with which the listener
   *             should be registered.
   * @param listener the name of the listener which will handle
   *                 notifications from the bean.
   * @param filter the filter to apply to incoming notifications, or
   *               <code>null</code> if no filtering should be applied.
   * @param passback an object to be passed to the listener when a
   *                 notification is emitted.
   * @throws InstanceNotFoundException if the name of the management bean
   *                                   could not be resolved.
   * @throws RuntimeOperationsException if the bean associated with the given
   *                                    object name is not a
   *                                    {@link NotificationListener}.  This
   *                                    exception wraps an
   *                                    {@link IllegalArgumentException}.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   * @see #removeNotificationListener(ObjectName, NotificationListener)
   * @see #removeNotificationListener(ObjectName, NotificationListener,
   *                                  NotificationFilter, Object)
   * @see NotificationBroadcaster#addNotificationListener(NotificationListener,
   *                                                      NotificationFilter,
   *                                                      Object)
   */
  void addNotificationListener(ObjectName name, ObjectName listener,
                               NotificationFilter filter, Object passback)
    throws InstanceNotFoundException, RuntimeOperationsException, IOException;
 
  /**
   * <p>
   * Instantiates a new instance of the specified management bean
   * using the default constructor and registers it with the server
   * under the supplied name.  The class is loaded using the
   * {@link javax.management.loading.ClassLoaderRepository default
   * loader repository} of the server.
   * </p>
   * <p>
   * If the name supplied is <code>null</code>, then the bean is
   * expected to implement the {@link MBeanRegistration} interface.
   * The {@link MBeanRegistration#preRegister preRegister} method
   * of this interface will be used to obtain the name in this case.
   * </p>
   * <p>
   * This method is equivalent to calling {@link
   * #createMBean(String, ObjectName, Object[], String[])
   * <code>createMBean(className, name, (Object[]) null,
   * (String[]) null)</code>} with <code>null</code> parameters
   * and signature.
   * </p>
   *
   * @param className the class of the management bean, of which
   *                  an instance should be created.
   * @param name the name to register the new bean with.
   * @return an {@link ObjectInstance} containing the {@link ObjectName}
   *         and Java class name of the created instance.
   * @throws ReflectionException if an exception occurs in creating
   *                             an instance of the bean.
   * @throws InstanceAlreadyExistsException if a matching instance
   *                                        already exists.
   * @throws MBeanRegistrationException if an exception occurs in
   *                                    calling the preRegister
   *                                    method.
   * @throws MBeanException if the bean's constructor throws an exception.
   * @throws NotCompliantMBeanException if the created bean is not
   *                                    compliant with the JMX specification.
   * @throws RuntimeOperationsException if an {@link IllegalArgumentException}
   *                                    is thrown by the server due to a
   *                                    <code>null</code> class name or object
   *                                    name or if the object name is a pattern.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   * @see #createMBean(String, ObjectName, Object[], String[])
   */
  ObjectInstance createMBean(String className, ObjectName name)
    throws ReflectionException, InstanceAlreadyExistsException,
           MBeanRegistrationException, MBeanException,
           NotCompliantMBeanException, IOException;
 
  /**
   * <p>
   * Instantiates a new instance of the specified management bean
   * using the given constructor and registers it with the server
   * under the supplied name.  The class is loaded using the
   * {@link javax.management.loading.ClassLoaderRepository default
   * loader repository} of the server.
   * </p>
   * <p>
   * If the name supplied is <code>null</code>, then the bean is
   * expected to implement the {@link MBeanRegistration} interface.
   * The {@link MBeanRegistration#preRegister preRegister} method
   * of this interface will be used to obtain the name in this case.
   * </p>
   *
   * @param className the class of the management bean, of which
   *                  an instance should be created.
   * @param name the name to register the new bean with.
   * @param params the parameters for the bean's constructor.
   * @param sig the signature of the constructor to use.
   * @return an {@link ObjectInstance} containing the {@link ObjectName}
   *         and Java class name of the created instance.
   * @throws ReflectionException if an exception occurs in creating
   *                             an instance of the bean.
   * @throws InstanceAlreadyExistsException if a matching instance
   *                                        already exists.
   * @throws MBeanRegistrationException if an exception occurs in
   *                                    calling the preRegister
   *                                    method.
   * @throws MBeanException if the bean's constructor throws an exception.
   * @throws NotCompliantMBeanException if the created bean is not
   *                                    compliant with the JMX specification.
   * @throws RuntimeOperationsException if an {@link IllegalArgumentException}
   *                                    is thrown by the server due to a
   *                                    <code>null</code> class name or object
   *                                    name or if the object name is a pattern.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   */
  ObjectInstance createMBean(String className, ObjectName name,
                             Object[] params, String[] sig)
    throws ReflectionException, InstanceAlreadyExistsException,
           MBeanRegistrationException, MBeanException,
           NotCompliantMBeanException, IOException;
 
  /**
   * <p>
   * Instantiates a new instance of the specified management bean
   * using the default constructor and registers it with the server
   * under the supplied name.  The class is loaded using the
   * given class loader.  If this argument is <code>null</code>,
   * then the same class loader as was used to load the server
   * is used.
   * </p>
   * <p>
   * If the name supplied is <code>null</code>, then the bean is
   * expected to implement the {@link MBeanRegistration} interface.
   * The {@link MBeanRegistration#preRegister preRegister} method
   * of this interface will be used to obtain the name in this case.
   * </p>
   * <p>
   * This method is equivalent to calling {@link
   * #createMBean(String, ObjectName, ObjectName, Object[], String)
   * <code>createMBean(className, name, loaderName, (Object[]) null,
   * (String) null)</code>} with <code>null</code> parameters
   * and signature.
   * </p>
   *
   * @param className the class of the management bean, of which
   *                  an instance should be created.
   * @param name the name to register the new bean with.
   * @param loaderName the name of the class loader.
   * @return an {@link ObjectInstance} containing the {@link ObjectName}
   *         and Java class name of the created instance.
   * @throws ReflectionException if an exception occurs in creating
   *                             an instance of the bean.
   * @throws InstanceAlreadyExistsException if a matching instance
   *                                        already exists.
   * @throws MBeanRegistrationException if an exception occurs in
   *                                    calling the preRegister
   *                                    method.
   * @throws MBeanException if the bean's constructor throws an exception.
   * @throws NotCompliantMBeanException if the created bean is not
   *                                    compliant with the JMX specification.
   * @throws InstanceNotFoundException if the specified class loader is not
   *                                   registered with the server.
   * @throws RuntimeOperationsException if an {@link IllegalArgumentException}
   *                                    is thrown by the server due to a
   *                                    <code>null</code> class name or object
   *                                    name or if the object name is a pattern.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   * @see #createMBean(String, ObjectName, ObjectName, Object[], String[])
   */
  ObjectInstance createMBean(String className, ObjectName name,
                             ObjectName loaderName)
    throws ReflectionException, InstanceAlreadyExistsException,
           MBeanRegistrationException, MBeanException,
           NotCompliantMBeanException, InstanceNotFoundException,
           IOException;
 
  /**
   * <p>
   * Instantiates a new instance of the specified management bean
   * using the given constructor and registers it with the server
   * under the supplied name.  The class is loaded using the
   * given class loader.  If this argument is <code>null</code>,
   * then the same class loader as was used to load the server
   * is used.
   * </p>
   * <p>
   * If the name supplied is <code>null</code>, then the bean is
   * expected to implement the {@link MBeanRegistration} interface.
   * The {@link MBeanRegistration#preRegister preRegister} method
   * of this interface will be used to obtain the name in this case.
   * </p>
   *
   * @param className the class of the management bean, of which
   *                  an instance should be created.
   * @param name the name to register the new bean with.
   * @param loaderName the name of the class loader.
   * @param params the parameters for the bean's constructor.
   * @param sig the signature of the constructor to use.
   * @return an {@link ObjectInstance} containing the {@link ObjectName}
   *         and Java class name of the created instance.
   * @throws ReflectionException if an exception occurs in creating
   *                             an instance of the bean.
   * @throws InstanceAlreadyExistsException if a matching instance
   *                                        already exists.
   * @throws MBeanRegistrationException if an exception occurs in
   *                                    calling the preRegister
   *                                    method.
   * @throws MBeanException if the bean's constructor throws an exception.
   * @throws NotCompliantMBeanException if the created bean is not
   *                                    compliant with the JMX specification.
   * @throws InstanceNotFoundException if the specified class loader is not
   *                                   registered with the server.
   * @throws RuntimeOperationsException if an {@link IllegalArgumentException}
   *                                    is thrown by the server due to a
   *                                    <code>null</code> class name or object
   *                                    name or if the object name is a pattern.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   */
  ObjectInstance createMBean(String className, ObjectName name,
                             ObjectName loaderName, Object[] params,
                             String[] sig)
    throws ReflectionException, InstanceAlreadyExistsException,
           MBeanRegistrationException, MBeanException,
           NotCompliantMBeanException, InstanceNotFoundException,
           IOException;
 
  /**
   * Returns the value of the supplied attribute from the specified
   * management bean.
   *
   * @param bean the bean to retrieve the value from.
   * @param name the name of the attribute to retrieve.
   * @return the value of the attribute.
   * @throws AttributeNotFoundException if the attribute could not be
   *                                    accessed from the bean.
   * @throws MBeanException if the management bean's accessor throws
   *                        an exception.
   * @throws InstanceNotFoundException if the bean can not be found.
   * @throws ReflectionException if an exception was thrown in trying
   *                             to invoke the bean's accessor.
   * @throws RuntimeOperationsException if an {@link IllegalArgumentException}
   *                                    is thrown by the server due to a
   *                                    <code>null</code> bean or attribute
   *                                    name.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   * @see DynamicMBean#getAttribute(String)
   */
  Object getAttribute(ObjectName bean, String name)
    throws MBeanException, AttributeNotFoundException,
           InstanceNotFoundException, ReflectionException,
           IOException;
 
  /**
   * Returns the values of the named attributes from the specified
   * management bean.
   *
   * @param bean the bean to retrieve the value from.
   * @param names the names of the attributes to retrieve.
   * @return the values of the attributes.
   * @throws InstanceNotFoundException if the bean can not be found.
   * @throws ReflectionException if an exception was thrown in trying
   *                             to invoke the bean's accessor.
   * @throws RuntimeOperationsException if an {@link IllegalArgumentException}
   *                                    is thrown by the server due to a
   *                                    <code>null</code> bean or attribute
   *                                    name.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   * @see DynamicMBean#getAttributes(String[])
   */
  AttributeList getAttributes(ObjectName bean, String[] names)
    throws InstanceNotFoundException, ReflectionException,
           IOException;
 
  /**
   * Returns the default domain this server applies to beans that have
   * no specified domain.
   *
   * @return the default domain.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   */
  String getDefaultDomain()
    throws IOException;
 
  /**
   * Returns an array containing all the domains used by beans registered
   * with this server.  The ordering of the array is undefined.
   *
   * @return the list of domains.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   * @see ObjectName#getDomain()
   */
  String[] getDomains()
    throws IOException;
 
  /**
   * Returns the number of management beans registered with this server.
   *
   * @return the number of registered beans.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   */
  Integer getMBeanCount()
    throws IOException;
 
  /**
   * Returns information on the given management bean.
   *
   * @param name the name of the management bean.
   * @return an instance of {@link MBeanInfo} for the bean.
   * @throws IntrospectionException if an exception occurs in examining
   *                                the bean.
   * @throws InstanceNotFoundException if the bean can not be found.
   * @throws ReflectionException if an exception occurs when trying
   *                             to invoke {@link DynamicMBean#getMBeanInfo()}
   *                             on the bean.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   * @see DynamicMBean#getMBeanInfo()
   */
  MBeanInfo getMBeanInfo(ObjectName name)
    throws InstanceNotFoundException, IntrospectionException,
           ReflectionException, IOException;
 
  /**
   * Returns the {@link ObjectInstance} created for the specified
   * management bean on registration.
   *
   * @param name the name of the bean.
   * @return the corresponding {@link ObjectInstance} instance.
   * @throws InstanceNotFoundException if the bean can not be found.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   * @see #createMBean(String, ObjectName)
   */
  ObjectInstance getObjectInstance(ObjectName name)
    throws InstanceNotFoundException, IOException;
 
  /**
   * Invokes the supplied operation on the specified management
   * bean.  The class objects specified in the signature are loaded
   * using the same class loader as was used for the management bean.
   *
   * @param bean the management bean whose operation should be invoked.
   * @param name the name of the operation to invoke.
   * @param params the parameters of the operation.
   * @param sig the signature of the operation.
   * @return the return value of the method.
   * @throws InstanceNotFoundException if the bean can not be found.
   * @throws MBeanException if the method invoked throws an exception.
   * @throws ReflectionException if an exception is thrown in invoking the
   *                             method.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   * @see DynamicMBean#invoke(String, Object[], String[])
   */
  Object invoke(ObjectName bean, String name, Object[] params, String[] sig)
    throws InstanceNotFoundException, MBeanException,
           ReflectionException, IOException;
 
  /**
   * <p>
   * Returns true if the specified management bean is an instance
   * of the supplied class.
   * </p>
   * <p>
   * A bean, B, is an instance of a class, C, if either of the following
   * conditions holds:
   * </p>
   * <ul>
   * <li>The class name in B's {@link MBeanInfo} is equal to the supplied
   * name.</li>
   * <li>Both the class of B and C were loaded by the same class loader,
   * and B is assignable to C.</li>
   * </ul>
   *
   * @param name the name of the management bean.
   * @param className the name of the class to test if <code>name</code> is
   *                  an instance of.
   * @return true if either B is directly an instance of the named class,
   *         or B is assignable to the class, given that both it and B's
   *         current class were loaded using the same class loader.
   * @throws InstanceNotFoundException if the bean can not be found.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   */
  boolean isInstanceOf(ObjectName name, String className)
    throws InstanceNotFoundException, IOException;
 
  /**
   * Returns true if the specified management bean is registered with
   * the server.
   *
   * @param name the name of the management bean.
   * @return true if the bean is registered.
   * @throws RuntimeOperationsException if an {@link IllegalArgumentException}
   *                                    is thrown by the server due to a
   *                                    <code>null</code> bean name.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   */
  boolean isRegistered(ObjectName name)
    throws IOException;
 
  /**
   * <p>
   * Returns a set of {@link ObjectInstance}s matching the specified
   * criteria.  The full set of beans registered with the server
   * are passed through two filters:
   * </p>
   * <ol>
   * <li>Pattern matching is performed using the supplied
   * {@link ObjectName}.</li>
   * <li>The supplied query expression is applied.</li>
   * </ol>
   * <p>
   * If both the object name and the query expression are <code>null</code>,
   * or the object name has no domain and no key properties,
   * no filtering will be performed and all beans are returned.
   * </p>
   *
   * @param name an {@link ObjectName} to use as a filter.
   * @param query a query expression to apply to each of the beans that match
   *              the given object name.
   * @return a set of {@link ObjectInstance}s matching the filtered beans.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   */
  Set<ObjectInstance> queryMBeans(ObjectName name, QueryExp query)
    throws IOException;
 
  /**
   * <p>
   * Returns a set of {@link ObjectName}s matching the specified
   * criteria.  The full set of beans registered with the server
   * are passed through two filters:
   * </p>
   * <ol>
   * <li>Pattern matching is performed using the supplied
   * {@link ObjectName}.</li>
   * <li>The supplied query expression is applied.</li>
   * </ol>
   * <p>
   * If both the object name and the query expression are <code>null</code>,
   * or the object name has no domain and no key properties,
   * no filtering will be performed and all beans are returned.
   * </p>
   *
   * @param name an {@link ObjectName} to use as a filter.
   * @param query a query expression to apply to each of the beans that match
   *              the given object name.
   * @return a set of {@link ObjectName}s matching the filtered beans.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   */
  Set<ObjectName> queryNames(ObjectName name, QueryExp query)
    throws IOException;
 
  /**
   * Removes the specified listener from the list of recipients
   * of notifications from the supplied bean.  This includes all
   * combinations of filters and passback objects registered for
   * this listener.  For more specific removal of listeners, see
   * {@link #removeNotificationListener(ObjectName,
   * NotificationListener,NotificationFilter,Object)}
   *
   * @param name the name of the management bean from which the
   *             listener should be removed.
   * @param listener the listener to remove.
   * @throws InstanceNotFoundException if the bean can not be found.
   * @throws ListenerNotFoundException if the specified listener
   *                                   is not registered with the bean.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   * @see #addNotificationListener(NotificationListener, NotificationFilter,
   *                               java.lang.Object)
   * @see NotificationBroadcaster#removeNotificationListener(NotificationListener)
   */
  void removeNotificationListener(ObjectName name,
                                  NotificationListener listener)
    throws InstanceNotFoundException, ListenerNotFoundException,
           IOException;
 
  /**
   * Removes the specified listener from the list of recipients
   * of notifications from the supplied bean.  Only the first instance with
   * the supplied filter and passback object is removed.
   * <code>null</code> is used as a valid value for these parameters,
   * rather than as a way to remove all registration instances for
   * the specified listener; for this behaviour instead, see
   * {@link #removeNotificationListener(ObjectName, NotificationListener)}.
   *
   * @param name the name of the management bean from which the
   *             listener should be removed.
   * @param listener the listener to remove.
   * @param filter the filter of the listener to remove.
   * @param passback the passback object of the listener to remove.
   * @throws InstanceNotFoundException if the bean can not be found.
   * @throws ListenerNotFoundException if the specified listener
   *                                   is not registered with the bean.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   * @see #addNotificationListener(ObjectName, NotificationListener,
   *                               NotificationFilter, Object)
   * @see NotificationEmitter#removeNotificationListener(NotificationListener,
   *                                                     NotificationFilter,
   *                                                     Object)
   */
  void removeNotificationListener(ObjectName name,
                                  NotificationListener listener,
                                  NotificationFilter filter,
                                  Object passback)
    throws InstanceNotFoundException, ListenerNotFoundException,
           IOException;
 
  /**
   * Removes the specified listener from the list of recipients
   * of notifications from the supplied bean.  This includes all
   * combinations of filters and passback objects registered for
   * this listener.  For more specific removal of listeners, see
   * {@link #removeNotificationListener(ObjectName,
   * ObjectName,NotificationFilter,Object)}
   *
   * @param name the name of the management bean from which the
   *             listener should be removed.
   * @param listener the name of the listener to remove.
   * @throws InstanceNotFoundException if a name doesn't match a registered
   *                                   bean.
   * @throws ListenerNotFoundException if the specified listener
   *                                   is not registered with the bean.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   * @see #addNotificationListener(NotificationListener, NotificationFilter,
   *                               java.lang.Object)
   * @see NotificationBroadcaster#removeNotificationListener(NotificationListener)
   */
  void removeNotificationListener(ObjectName name, ObjectName listener)
    throws InstanceNotFoundException, ListenerNotFoundException,
           IOException;
 
  /**
   * Removes the specified listener from the list of recipients
   * of notifications from the supplied bean.  Only the first instance with
   * the supplied filter and passback object is removed.
   * <code>null</code> is used as a valid value for these parameters,
   * rather than as a way to remove all registration instances for
   * the specified listener; for this behaviour instead, see
   * {@link #removeNotificationListener(ObjectName, ObjectName)}.
   *
   * @param name the name of the management bean from which the
   *             listener should be removed.
   * @param listener the name of the listener to remove.
   * @param filter the filter of the listener to remove.
   * @param passback the passback object of the listener to remove.
   * @throws InstanceNotFoundException if a name doesn't match a registered
   *                                   bean.
   * @throws ListenerNotFoundException if the specified listener
   *                                   is not registered with the bean.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   * @see #addNotificationListener(ObjectName, NotificationListener,
   *                               NotificationFilter, Object)
   * @see NotificationEmitter#removeNotificationListener(NotificationListener,
   *                                                     NotificationFilter,
   *                                                     Object)
   */
  void removeNotificationListener(ObjectName name,
                                  ObjectName listener,
                                  NotificationFilter filter,
                                  Object passback)
    throws InstanceNotFoundException, ListenerNotFoundException,
           IOException;
 
  /**
   * Sets the value of the specified attribute of the supplied
   * management bean.
   *
   * @param name the name of the management bean.
   * @param attribute the attribute to set.
   * @throws InstanceNotFoundException if the bean can not be found.
   * @throws AttributeNotFoundException if the attribute does not
   *                                    correspond to an attribute
   *                                    of the bean.
   * @throws InvalidAttributeValueException if the value is invalid
   *                                        for this particular
   *                                        attribute of the bean.
   * @throws MBeanException if setting the attribute causes
   *                        the bean to throw an exception (which
   *                        becomes the cause of this exception).
   * @throws ReflectionException if an exception occurred in trying
   *                             to use the reflection interface
   *                             to lookup the attribute.  The
   *                             thrown exception is the cause of
   *                             this exception.
   * @throws RuntimeOperationsException if an {@link IllegalArgumentException}
   *                                    is thrown by the server due to a
   *                                    <code>null</code> bean or attribute
   *                                    name.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   * @see #getAttribute(ObjectName, String)
   * @see DynamicMBean#setAttribute(Attribute)
   */
  void setAttribute(ObjectName name, Attribute attribute)
    throws InstanceNotFoundException, AttributeNotFoundException,
           InvalidAttributeValueException, MBeanException,
           ReflectionException, IOException;
 
  /**
   * Sets the value of each of the specified attributes
   * of the supplied management bean to that specified by
   * the {@link Attribute} object.  The returned list contains
   * the attributes that were set and their new values.
   *
   * @param name the name of the management bean.
   * @param attributes the attributes to set.
   * @return a list of the changed attributes.
   * @throws InstanceNotFoundException if the bean can not be found.
   * @throws ReflectionException if an exception occurred in trying
   *                             to use the reflection interface
   *                             to lookup the attribute.  The
   *                             thrown exception is the cause of
   *                             this exception.
   * @throws RuntimeOperationsException if an {@link IllegalArgumentException}
   *                                    is thrown by the server due to a
   *                                    <code>null</code> bean or attribute
   *                                    list.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   * @see #getAttributes(ObjectName, String[])
   * @see DynamicMBean#setAttributes(AttributeList)
   */
  AttributeList setAttributes(ObjectName name, AttributeList attributes)
    throws InstanceNotFoundException, ReflectionException,
           IOException;
 
  /**
   * Unregisters the specified management bean.  Following this operation,
   * the bean instance is no longer accessible from the server via this
   * name.  Prior to unregistering the bean, the
   * {@link MBeanRegistration#preDeregister()} method will be called if
   * the bean implements the {@link MBeanRegistration} interface.
   *
   * @param name the name of the management bean.
   * @throws InstanceNotFoundException if the bean can not be found.
   * @throws MBeanRegistrationException if an exception occurs in
   *                                    calling the preDeregister
   *                                    method.
   * @throws RuntimeOperationsException if an {@link IllegalArgumentException}
   *                                    is thrown by the server due to a
   *                                    <code>null</code> bean name or a
   *                                    request being made to unregister the
   *                                    {@link MBeanServerDelegate} bean.
   * @throws IOException if an I/O error occurred in communicating with
   *                     the bean server.
   */
  void unregisterMBean(ObjectName name)
    throws InstanceNotFoundException, MBeanRegistrationException,
           IOException;
 
}
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